Rubber roofing slate & shingle products, properties, sources, inspections, failures, life expectancy:

This article describes shingle or slate type roofing materials made of rubber, usually recycled rubber tires, possibly using granulated or crumb rubber or in some (older) products, actual pieces of recycled rubber tires.

We discsuss rubber shingle choices, rubber shingle, slate, or shake sources, rubber slate installations, inspection of rubber shake or slate roofs, defects in those roofs, rubber shingle roofing repairs, and rubber slate product warranties.

Page top image of composite wood-plastic shingles, source U.S.FPL. Photos of rubber roof shingles & slates and field reports are wanted - use the page top or bottom CONTACT link.

Rubber-based Roof Shingles & Slates

Rubber roof shingles or slate or wood shake look-alikes made from recycled rubber are available from a number of roofing product manufacturers and according to some roofing industry sources may have a significant impact on the roofing industry.

Photo: contributed by a student researcher whose curling rubber tire roof shingles are discussed just below. [Click to enlarge any image]

Rubber roofing products are also used in green roof systems as a roof surface covering over which soil and plants may be added in green roof designs.

Typical rubber shingle or slate roof manufacturer's warranty periods extend for 30 years, some as much as 50 years.

But will a rubber based roof slate or shingle endure for that anticipated life expectancy?

As the question and reply below illustrate, the actual field performance of rubber slates or shingles does not yet (in 2016) have decades of installed field experience from which we may draw conclusions, and there may be some hints that more about rubber shingle life, durability, and defects remains to be learned.

Do-it-Yourself Roof Shingles Cut from Rubber Tyres?

Question: why are these rubber tire roof shingles warping & curling?

I am a 3rd Year Building Surveying Student at Coventry University, currently doing a dissertation project on 'the performance of tyres as roof shingles"

To test my idea, I constructed two mock roofs: one made of concrete slates, and one made of recycled tyre shingles.

I have recently come across the article on inspectapedia about Rubber Roof Shingles, and noticed you mentioned recycled tyre shingles.

An issue I had with my project is that the shingles experienced warping, I cannot seem to understand why this has happened (pictures attached).

I was wondering if you have any insight as to why this happened? It was stored outside in normal conditions (rainy, cold) but nothing out of the ordinary.

Any more research papers regarding this topic that you know of would be greatly appreciated. - Anonymous by private email 2018/04/02

Reply:

Roofing shingles made from re-cycled rubber tires are almost always described by their vendors and manufacturers as "non-warping" which is itself interesting since sometimes a claim that we would not expect to have to be made can hint that there have been such problems.

However using Google Scholar I did not find research on warping in rubber tire shingles prepared as you have done in your photos.

Your situation looks very different to me. Roof shingles made from tyres (or tires) are made by grinding up and reconstituting the rubber into flat sheets. That would in my view reduce any warping tendencies.

Your shingles, in your photo, look as if they were simply cut directly from the tread section of rubber tires.

Such a "shingle" is likely to react to temperature and moisture differences on its two surfaces.

The tire is not uniform throughout its thickness, containing a solid tread-cut rubber surface, a body combining fabric and rubber, and an inner surface that often sports more fabric.

Fabrics also vary in material, design, and can include steel or synthetic fibres. So I would expect warping in response to temperature or moisture or both.

Not all tires cut into shingles will warp the same as they will vary in thickness, composition, and details of just how they were cut from the tire body - how much sidewall is included, for example.

Still, these sources might be useful for your project, and I expect that some of these scholars and researchers could offer more technical explanation of the chemistry and physics of the curling tire sections in your images.

• Gaggino, Rosana, María Josefina Positieri, Patricia Irico, Jerónimo Kreiker, Ricardo Arguello, and María Paz Amono Sánchez. "Ecological roofing tiles made with rubber and plastic wastes." In Advanced Materials Research, vol. 844, pp. 458-461. Trans Tech Publications, 2014.
• Gray, Terry A. "Designing Building Products Made With Recycled Tires." (2004). [copy attached]
• Hammer, Chris, and Terry A. Gray. Designing building products made with recycled tires. Integrated Waste Management Board, 2004.

There are people who've tried simply cutting tires directly into shingles

https://greenbuildingcanada.ca/2014/shingles-rubber-tires/
and
https://www.farmshow.com/a_article.php?aid=3045

for example, but there was no long term study report nor a discussion of leaks from warping or from wind-blown rain over the very uneven surface. None of these was described as suitable for a conventional residential structure but they might be suitable on an outbuilding.

See the rubber roof sources listed at the end of this article for more conventional approaches to rubber tire roof shingle materials.

Question: Bowing, fish-mouthing rubber roof slates on an 8-year-old home

2016/06/11 Brian Koepf ASHI #229 said:

I inspected an 8 year old simulated slate rubber roof yesterday on a huge house that are discolored in areas where they fish mouthed/bowing. I cannot find info on the web about this. Does anyone have experience with this condition?

I recommended that the manufacturer be consulted regarding their warranty, and that a licensed roofer who is qualified to install this product be contacted.

This question was posted originally

at PLASTIC ROOFING TYPES. Mr. Koepf is an ASHI-certified home inspector in Leesburgh, VA. - Ed.

Reply: research on field performance, inspection, life & defects in rubber roof slates & shingles is in process, contributions & comments invited

Thanks for the question, Brian. I was surprised to hear a report of actual fishmouthing on rubber-based simulated slate as I think of that material as not so likely to be affected by moisture from below - the common cause of fishmouthing on asphalt roofing shingles.

A first look through home inspector forum chats about rubber shingles finds many opinions and what sounds like some confusion about what rubber roof slates and shakes are and how they might preform.

Doing a little research on "rubber-based roof slate" materials I found a paucity of information reporting types and causes of roof failures but some references to these possible worries with rubber-formlated roof slates, shakes, or shingles:

• Moisture retention in some formlations - this might contribute to later curling, buckling, or fishmouthing in any roofing product
• Curling or buckling properties of shingles, slates, or shakes made from recycled rubber due to the product having a "memory" that might make cupping or curling that happened in storage or prior to or even during installation recur later.
  
  Think: shingle made from a piece of recycled tire, or shingles made from ground rubber fabricated into a new product whose shingle bundle was improperly-stored or left lying across a ridge for a time.
• Odor complaints tracked to rubber roof shingles made from cut sections of tires or similar products
• Possible environmental effects of chemicals in the runoff from these roofs - though certainly not unique as those issues occur with other roofing products as well including EPDM, metal, and asphalt roofing

We don't know exactly what roofing product is installed on the 8-year old home you inspected - let me know if you can find out what product (brand, model, color) was installed, and where the home is located. Photos would be very helpful as well - use the page top or bottom CONTACT link to send me what you can.

I have read that crumb rubber used in roof products including both "slate" products and green roofing substrates can contribute a porous and even water-retention property that may be involved in what you saw. We need to know more about what's installed. Here are some research papers that may be helpful.

• Egodage, Shantha Maduwage, John F. Harper, and Shantha Walpalage. "Ground Tyre Rubber/Waste Polypropylene Blends—Effect of Composition on Mechanical Properties." Progress in rubber, plastics and recycling technology 25, no. 4 (2009): 213.
• Gaggino, Rosana, María Josefina Positieri, Patricia Irico, Jerónimo Kreiker, Ricardo Arguello, and María Paz Amono Sánchez. "Ecological Roofing Tiles Made with Rubber and Plastic Wastes." In Advanced Materials Research, vol. 844, pp. 458-461. 2014.

Rubber-based roof shingles that resemble slate or wood shingles have been marketed by several companies for a while now and are promoted as durable, green (as they recycle materials), and perhaps more hail damage-resistant than some other roofing products.

I've had poor success so far finding scholarly reports of types of damage that are peculiar to rubber-based roofing slates or shingles. We never give up however.

The roofing industry companies who produce rubber-based roof shingles or slates say water absorption is low (according to some sources I read).

In reviewing the product literature for synthetic roofing slates, shakes, or shingles it can be difficult to find an actual description of the shingle ingredients at some manufacturers' websites where some products may say just "made of 95% recycled materials".

Interestingly, Enviroshake® roofing is "... made with 95 per cent reclaimed products, including post-industrial plastics, recycled rubber elastomers and cellulose fibres." [citation below]. It's that last ingredient, "cellulose fibres" that might make trouble in some roofing products, as it certainly did in earlier roof and siding materials.

See FIBER-WOOD & FIBERBOARD ROOFING for examples of an older cellulose fiber roofing product that was disappointing
and

See SIDING HARDBOARD IDENTIFICATION & CLAIMS for an introduction into the sea of complaints around hardboard siding.

Cellulose fibers may be an important factor in more recent complaints about shrinkage, gaps, and possibly buckling in newer fiber-cement siding products that we hoped would not suffer similarly.

See SIDING, FIBER CEMENT GAPS if you can stand reading more about those problems.

Rubber based synthetic slate & shake product reviews

Photos above: recycled automobile & truck tires find uses other than paving and roofing, as we illustrate: here recycled tires have been re-purposed to create outdoor furniture and childrens playground toys by the Venaneio-Escoye family in Husaca, Hidalgo, Mexico.

• Miller, Stephani, "Exterior Products Review: Synthetic Roofing, Natural Impressions: Durability and realistic looks make synthetic roofing an attractive alternative to lsate and wood shakes", Architect Magazine, 10 Sept 2009, retrieved 2016/06/11, original source: www.architectmagazine.com/technology/products/exterior-products-review-synthetic-roofing_o
  Excerpts:

Synthetic slate and shake products are manufactured from a variety of materials, primarily polymers and/or rubber along with fillers and modifiers. Although the products seem very similar, formulations vary among manufacturers.

"There are so many plastic or rubber compounds that can be utilized that to say they're all the same couldn't be farther from the truth," points out Brian Eberle, vice president of marketing and sales for Wellington Polymer Technologies, maker of Enviroshake.

The polymeric composition of most synthetic shingles and shakes generally includes advanced UV inhibitors and impact modifiers. Some products incorporate ingredients such as recycled rubber or plastic, mineral dust, or cellulose fibers, while others use virgin rubber and plastic.

The majority of the synthetic slates and shakes are backed by 50-year warranties. Most are UL-certified for Class 4 impact resistance, and many, but not all, also achieve a Class A fire resistance rating. Furthermore, some are rated to resist uplift in high winds.

This reviewer makes an important point: there is a wide range of formulations and ingredients in rubber-based roof shingle/slate lookalikes.

Rubber Shingle or Slate Field Performance, Installation, Inspection or Life Expectancy Concerns

Some suggestions in online forums for roofing contractors include comments that might point to an explanation for the fishmouthing that observed by Mr. Koepf.

Researching some roofer forums such as I have found some chatter about excessive water absorption of some rubber roof shingle products.
Excerpts: [Note that the following are opinions, not scholarly research - Ed.]

We install Euroshield on a regular basis. They are based here in Calgary, and manufacture their product from recycled tires.

If I had a choice, this would go on my roof. Having said that, there are small details and issues it helps to be aware of (with regards to installation), as they are still a relatively new company in the market, and have yet to work out all the kinks. - Mr. Roofer, Calgary Alberta

I watched a roofer put some on a local restaurant 5 or 6 years ago. Looks great, however there are obvious patches since then and there is a hip that is missing quite a few and others lifted up ready to be blown off. - ronbryanroofing

Look to see jobs from at least 10 years ago. ... Generaly they do not seem to last. - Red_Cedar

Looks like siding on a roof once it's up. Not only that, unlike siding that has a lip to interlock it, there is nothing to prevent it from curling (which is what I've seen happened and which I predicted as a matter of common sense).

I haven't seen one simulated slate roof installed that has looked or performed as advertised. However, I must say that DaVinci is the best out there ... - 2ndGen

I saw the rubber slate for sale in the suppliers the other day, I must admit it looked good but the price was very off putting as it was nearly the same as a real slate! ... the supplier said it was really aimed at the diy market for porches and lean tos rather than main roofs. - expertroofer

... the installation is generally no different than ashphalt shingles and may even be quicker due to the size of the tiles. He explained that the product was made almost entirely out of used tires. More info can be found on their site here: http://www.euroshieldroofing.com/ If my memory serves, it goes for about $350/sq. - Bhodhisativa

- sources for the above opinions: RoofingTalk.com forum on Synthetic/Rubber Slate roofing, retrieved 2016/06/11, original source: www.roofingtalk.com/f2/synthetic-rubber-slate-roofing-631/

That opinion is consistent with what we read in some of the research about using crumb rubber based roofing substrate beneath "green" roofs - roofs on top of which soil and plants are added. There one finds discussions there about both the effects of crumb rubber based roof material water absorption (and its effect on soil and plants above) and also on zinc leaching from those products and the effects of zinc.

• Ristvey, Andrew G., Lorelly Solano, Kimberly Wharton, Steven M. Cohan, and John D. Lea-Cox. "Effects of crumb rubber amendments on the porosity, water holding capacity and bulk density of three green roof substrates." In Proceedings of the 2010 International Low Impact Development Conference, April, pp. 11-14. 2010.
• Solano Torres, Sonia Lorelly. "Investigating crumb rubber amendments for extensive green roof substrates." PhD diss., 2010.

The question raised by Mr. Keopf about the causes of buckling or fishmouthing observed in rubber-based roof slates may point to a significant development in the field performance of rubber-based roofing slates or shingles.

Defective U.S. Century Flex Shakes rubber roof shingle complaints & a company that has vanished

Question: Badly Deteriorated U S Century Flex Shake Roof

(Jan 8, 2016) casey said:
I have a home with U S century flex shakes (50 year warranty) and they are completely deteriorated....the company no longer exists...what do I do?

This question was posted originally

at PLASTIC ROOFING TYPES.

Reply: the disappearance of U.S. Century LLC & its TruSlate roofs

Casey, not to be glib, it's time to re-roof. U.S. Century made a slate look-alike roofing product using recycled steel-reinforced rubber (recycled tires) with a stone coating (crushed slate) - U.S. Century Flex-Shake. Flex-Shake and U.S. Century LLC have for all practical purposes, disappeared from the roofing horizong.

Obsolete: Contact US Century, L.L.C., Address: 1100 NE Loop 410 #617 San Antonio, TX 78209 USA Phone: 210-826-8855

Watch out: this company and its website have disappeared as of 2016/06/11.

Website: www.truslate.com [listed by sources providing corporate location and information such as AECDaily]
Notice: as of 2016/06/11, the truslate.com link delivers the reader to a GAF TruSlate® web page.

Website http://www.flexshake.com/ now delivers the reader to a page offering this website name for sale. It was previously associated with US Century LLC Flex-Shake roofing. An architect's low-content website described FlexShake as "a shingle made from recycled tires, with the treads buffed off."

Other sources called it a "reinforced rubber shake" made from the steel belts of discarded tires. The product name also appears in Australian building sources.

Century Roofing continues in business in the U.K. but that's not going to help with a U.S. roof claim.
www.centuryplastics.co.uk/

Let us know what you're told. Also I'd like to see some sharp photos of the roofing - please use our email found at the page top or bottom CONTACT link.

More research on Flex Shake rubber roofing shingles:

• Kiik, Matti, Michael Bryson, and Margie Beerer. "Metal flake-surfaced roofing materials." U.S. Patent Application 10/274,717, filed October 21, 2002.
  Excerpt:
  
  Flex Shake™ (US Century, California) is a roofing product made from used tires (recycled steel reinforced rubber). An adhesive coating is applied to the surface of the rubber for the application of slate chips or colored roofing granules. In accordance with the present invention, metal flakes may be correspondingly applied to the surface of the rubber using an adhesive coating.
• Leitch, Olan T., John G. Freshwater, and Matti Kiik. "Colored metal flake surfaced roofing materials." U.S. Patent 8,197,893, issued June 12, 2012.

Staining Complaints Tracked to Rubber Roof Shingles?

Question: Staining on building from roof shingles made from recycled tires?

Here are photos of the gutters and sliding door trim that are just below the roof. If you're able to enlarge them, you will see the black stain that's coming from the roof shingles.

There are no trees around the house. We live in New Jersey right on the bay. Our builder had the gutters washed, but the black stain could not be removed.

Also, upon further investigation, my husband found extra shingles stored under the eaves of our attic. To our surprise "Royal Roofing" was stamped on the inside of each shingle--not Eternit!

Are these two separate companies? The architect's notes indicated "Eternit" as the roofing tiles--now I'm confused. Unfortunately, he has passed away and his business was dissolved.

When I contacted Eternit in England via e-mail, they said that they never manufactured a roof tile made from "recycled" tires. That was exactly how our architect described the tiles to us! He was very excited about its reported durability and longevity. Once again, Daniel, I hope you can shed light on this dilemma! - M.

Reply: Bleed-out and run-down stains on the building vs. shingle life

I'd like to see sharp photos of your roof shingles in place, both the field of the roof and closeups of the shingles, and I'd certainly want to see photos of the surfaces and markings of the extra shingles you found in your attic so that we can more accurately identify and contact the manufacturer with follow-up questions.

I'm not sure that all of the black stains in your photos are due to the composition of your roof shingles, and it's common to see some black stains on the outer edges of white K-profile aluminum gutters even on asphalt shingle roofs. More about diagnosing roof stains

is at STAIN DIAGNOSIS on ROOFS - home

But if your roof shingles are bleeding out significant levels of black debris, in addition to needing to clean the building exterior, you ought to be able to avoid stains on other building surfaces by properly routing roof runoff into gutters and downspouts.

A second question that might arise is whether or not black runout stains from a roofing product are a sign of deterioration or reduced roof life. Certainly the manufacturers of plastic and composite roof shingles we list below all promise rather long-life warranties.

Your roof shingles may be a Canadian product: Royal Dura Shingles. But first let's correctly identify your shingles and then ask the manufacturer for an opinion and advice. "Royal" as a roofing name alone is a bit broad as you'll see from our references below, including manufacturer names, roofing company names, and several asphalt shingle product names including IKO Royal Estate shingle and GAF Royal Sovereign shingles.

"Royal Roofing" may be a company name or a shingle model produced by a company of a different name. In any case, Eternit, a company about which you asked us previously, produced fiber cement shingles and is separate from Royal Group Technologies who produce Dura slate roof shingles (see our company list below).

Several companies produce roofing shingles made from recycled materials, rubber, composites, plastics, including:

• EcoStar (EcoStar 104 Terrace Drive Mundelein, IL 60060 USA , Tel: (800) 211-7170 , Carlisle SynTec Incorporated, North Carolina) synethetic shingles, lightweight rubber and plastic roof shingles, slate lookalikes, (Majestic Slate Traditional, Colonial, Designer, Class A, Titus Tiles & Seneca Cedar Shake. 50-year warranty.
• Royal Roofing, Royal Group Technologies Limited 1 Royal Gate Blvd. Woodbridge, Ontario Canada L4L 8Z7, Tel: 905-264-0701, and Royal Dura Shingles, 91 Royal Group Crescent Woodbridge, ON L4H 1X9, Canada (905) 850-9700, Website: http://www.royalbuildingproducts.com/. Royal Building Products is a division of the Ontario, Canada based Royal Group Technologies Ltd.. Product focus is on siding and exterior trim. I've read that Royal’s Dura Slate roof shingles include a 50-year limited transferable warranty, as well as hail protection and a Class A Fire Rating.
  • Royals - cedar shingles: "Royals" can also refer to Western Red Cedar shingles that are 24" (610mm) in length, in all grades. These shingles are all 1/2" (12.5mm) thick, (nominal - in all grades). The recommended exposure for a 24" shingle roof is 7-1/2" (190mm) for a 3-ply, water tight construction. 
• RuBBur roof, Hi-Tek Rubber Inc. 308 E. Burlington St #114 Iowa City, IA 52240, Tel: 319-321-3040, Class A for fire resistance roofing shingles. Hi-Tek Rubber, Inc., Iowa City IA, "double-lifetime warranty"
  Hi-Tek Rubber, Inc. (founded in 1926) originally produced rubber products for use in farming industry .
  
  Address update: April 2021: 28433 Highway 65 NE, Isanti​, MN, 55040-6169 USA, tel: (763) 689-2131, the company produces roofing materials according to DnB but other sources (Century Park Capital Partners) have Bill Sherman
  Former President, Hi-Tech Rubber, Inc., reports this evolution to a company now headquartered in Anabeim CA:
  
  Hi-Tech Rubber, Inc. is a leading custom molder of precision elastomeric components utilized primarily in the medical industry. Century Park Capital, management, and another private equity firm acquired a majority interest in the company to meet the personal needs of the seller and enable him to fund his estate plan. After completing four acquisitions significantly expanding the company’s product lines, the company was sold to a publicly traded acquirer.
  
  Hi-Tek Rubber Inc is located in Isanti, MN, United States and is part of the Asphalt Products Manufacturing Industry. Hi-Tek Rubber Inc has 12 total employees across all of its locations and generates $782,319 in sales (USD). (Sales figure is modelled). There are 2 companies in the Hi-Tek Rubber Inc corporate family. - per Dunn & Bradstreet, https://www.dnb.com/
  
  A different company, Hi-Tech Rubber Products, is a sister concern to Mangla Rubber Industries - website https://www.hitechrubbers.com/
  
  A different company, HyTech Products Co. (founded 1986 by John Roberts) currently (2021) produces a variety of natural and synthetic rubber products icluding rubber moldings and bonding products. http://www.hytechproducts.com/
  
  

Rubber Roof Shingle Research

In addition to citations given earlier, these references include patent disclosures that illustrate some of the history, dates, & properties of roof shingles or shakes made from recycled rubber materials.

• Blalock, Christopher, and Larry Nelson. "Products useful as roof shingles and a process for making such products." U.S. Patent 6,194,519, issued February 27, 2001.
• Crivelli, Henry A. "Incorporation of rubber tire crumbs and siliceous crystalline grains in construction products." U.S. Patent 5,258,222, issued November 2, 1993.
  Excerpt:
  
  A rubber tire recycling process comprises the steps of granulating rubber tires to form coarse rubber crumbs, mixing the coarse rubber crumbs with coarse siliceous grains to form a closely packed mixture of coarse particles that are roughly commensurate in size, thoroughly wetting the surfaces of the coarse particles with a polymerizable liquid binder to provide a viscous slurry, casting the slurry into a sheet-like configuration, and curing the sheet-like configuration under sufficient heat and for a sufficient time to provide an environmentally compatible sheet-like product, e.g. a paver or tile for driveways, or a shingle for roof tops, that is characterized by excellent weather, wear and chemical resistance.
  
  The surface characteristics of the coarse particles of vulcanized rubber and crystalline grains are critical to the present invention.
• Gaggino, Rosana, María Josefina Positieri, Patricia Irico, Jerónimo Kreiker, Ricardo Arguello, and María Paz Amono Sánchez. "Ecological roofing tiles made with rubber and plastic wastes." In Advanced Materials Research, vol. 844, pp. 458-461. Trans Tech Publications, 2014.
  
  Abstract:
  The general objective of this research work was to contribute to the environmental decontamination. Its specific objective was to develop sustainable roofing tiles from the ecological, technical and economical points of view.
  
  These roofing tiles are made from recycled materials such as plastics from industry, and rubber from tires into disuse. In this way this technology contributes in the decontamination of the environment, since it uses waste materials that are buried in municipal land without any use, or accumulated and burned in landfills, causing pollution.
  
  The procedure used was the thermo-molding compaction. The available amounts of plastic waste are abundant.
  
  According to data provided in 2012 by the Ministry of Health and Environment of Argentina, Argentina produces 1,639 tons / year. The available amounts of rubber tires are also abundant. According to data provided in 2012 by the National Institute of Industrial Technology -INTI, Argentina generates more than 100,000 tons / year.
  
  Plastics and rubber are non bio-degradables materials, so nature can not absorb them as other waste.
  
  One purpose of this research work was to provide an alternative to other traditional building technologies that consume non-renewable resources, or produce negative environmental impact.
  
  The main technical advantages of these roofing tiles respect to other traditional such as ceramic or concrete tiles are their excellent resistance to hail and freezing, high flexural resistance, low specific weight, and low water absorption.
• Lanphier, Robert R. "Method of making recycled tire roof sheeting." U.S. Patent 5,527,409, issued June 18, 1996.
• Thiis-Evensen, Eyvind M. "Roofing shingle." U.S. Patent 4,317,853, issued March 2, 1982.
• Votte, Andre T. "Synthetic roofing elements of the slate type and a method of manufacturing same." U.S. Patent 4,307,552, issued December 29, 1981.
• Winters, Nancy, Graunke, Kyle, "Roofing Materials Assessment-Investigation of Toxic Chemicals in Roof Runoff." [PDF] Department of Ecology, State of Washington, Publication No. 14-03-003(2014).
  Excerpts:
  ... little evaluation has been conducted of the newer, synthetic materials such as ethylene propylene diene monomer (EPDM or rubber roofing), thermoplastic polyolefin (TPO), or
  
  flexible polyvinyl chloride (PVC). These types of roofs may also be expected to release phthalates into roof runoff.

 

Sources of Rubber-based Roofing Slates & Shingles

• Ecostar, Designer Series Slate™, Majestic Slate™, Empire Slate™, EcoStar LLC., 42 Edgewood Dr., Holland, NY 14080, Tel: 800-211-7170, Website: http://www.ecostarllc.com/
  Product literature excerpt from EcoStar's Majestic Slate product description [PDF]:
  
  EcoStar LLC, the leading manufacturer of premium synthetic steep-slope roofing products, combines classic appeal with modern technology to offer the lightweight and affordable alternative – Majestic Slate™.
  
  Created with recycled rubber and plastics, Majestic Slate offers a sustainable, lighter and easy-to-install roofing product that provides the appearance of natural slate with lower application costs.
• Enviroshake® Tel: 1-866-423-3302, Email: info@enviroshake.com Website: http://www.enviroshake.com/
  Excerpts:
  
  Enviroshake® and Enviroshingle® are both composite roofing products that are designed to authentically replicate the look of natural weathered cedar roofing materials.
  Enviroslate® is a composite roofing product that is designed to authentically replicate the look of natural slate roofing. Predominantly all of the materials (95%) used in Enviroslate® are reclaimed materials.
  
  ... That is because Enviroshake(R) is made with 95 per cent reclaimed products, including post-industrial plastics, recycled rubber elastomers and cellulose fibres. - http://www.enviroshake.com/enviroshake-puts-a-high-tech-and-hard-wearing-twist-on-cedar-shingles/
• EuroSlate Product Description [PDF] Euroshield Roofing, 9330 48 St SE, Calgary, AB, T2C 2R2 Canada Tel: (403) 215-3333 Toll Free: (877) 387-7667 Website: http://www.euroshieldroofing.com/
  Product description excerpt:
  
  EuroLite Slate®, EuroSlate®, EuroLite Shake® and EuroShake® are Eco Friendly Green Roofing products made from up to 95% recycled materials, the primary ingredient being rubber from recycled tires.
  
  A unique manufacturing process incorporating strict quality control methods results in a superior roofing product with durability characteristics unsurpassed in the industry. As you might expect with a roof made of rubber, impact damage, such as one would expect from large hail, is of no concern to those who own a Euroshield® roof. It simply bounces off.
  
  EuroSlate® comes in 3 foot wide panels which lock down at the butt edge to the course of EuroSlate® below and fit into each other as you work your way across the roof, assuring a secure, weatherproof layer of protection against the elements. EuroSlate® installation is also fast and easy. Any scrap materials generated from the installation can be returned and recycled to produce more Euroslate® roofing materials. - retrieved2016/06/11, original source: http://www.euroshieldroofing.com/products/euroslate/
  
  Product description excerpt:
  EuroLite Slate® comes in 40″ wide panels, each featuring 4 slate-like sections measuring 10″ wide by 7 5/8″ high, in a “modified open keyway” design to replicate the depth and character of individual slate pieces.
  
  Eurolite Slate® installation is fast and easy. The panels handle and install much like an asphalt shingle, held in place with 10 standard roofing nails and an adhesive strip on the underside to bond the panel above to the course below. The panels feature a unique raised nib strip on the reverse side that sets the correct exposure as you install, further simplifying the process.
  
  The panels can be cut with a utility blade and each covers more surface area than a standard shingle. Less pieces to handle equals faster install. Any scrap materials generated from the installation can be returned and recycled to produce more Eurolite Slate®. - retrieved 2016/06/11, original source: http://www.euroshieldroofing.com/products/eurolite-slate/

Readers are invited to CONTACT us with field reports, photographs, or research concering the life, performance, inspection, & defects of rubber roofing slates & shingles.

...

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• EPDM, RUBBER, PVC ROOFING
• FIBER-WOOD & FIBERBOARD ROOFING
• MODIFIED BITUMEN ROOFING - home
• ODORS GASES SMELLS, DIAGNOSIS & CURE - home
• PLASTIC ROOFING TYPES
• RUBBER, EPDM, PVC ROOFING discussion of rubber membrane type roof coverings
• RUBBER ROOF SHINGLES & SLATES
• SBS ROOFING ROLL & BUR ROOFS
• STAIN DIAGNOSIS on ROOFS - home
• WARRANTIES for ROOF SHINGLES

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RUBBER ROOF SHINGLES & SLATES at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

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INDEX to RELATED ARTICLES: ARTICLE INDEX to BUILDING ROOFING

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Citations & References

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