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InspectAPedia ® Home ACOUSTICAL SEALANT CHOICES AGE of a BUILDING - how to determine AIR BYPASS LEAKS AIR LEAK DETECTION TOOLS AIR LEAK MINIMIZATION AIR LEAK SEALING PROCEDURE AIR POLLUTANTS, COMMON INDOOR AIR TEST FOR MOLD: ACCURACY AIR TEST SAMPLING CASSETTE STUDY ALLERGEN TESTS for buildings ALLERGENS in BUILDINGS, RECOGNIZING ALLERGY & MOLD IAQ PRODUCTS ALLERGY TESTS for PEOPLE ALLERGY TEST ACCURACY ANIMAL ALLERGENS / PET DANDER ANTI SCALD VALVES APPLIANCE EFFICIENCY RATINGS ARCHITECTURE & BUILDING COMPONENT ID ASBESTOS IDENTIFICATION IN buildings ATTIC LEAKS, CONDENSATION & MOLD ATTIC VENTILATION BASEMENT CEILING VAPOR BARRIER BASEMENT HEAT LOSS BASEMENT LEAKS, INSPECT FOR BASEMENT WATERPROOFING BATH & KITCHEN DESIGN GUIDE BATHROOM VENTILATION BEST CONSTRUCTION PRACTICES GUIDE BLOWER DOORS & AIR INFILTRATION BLOWER FAN CONTINUOUS OPERATION BLOWER FAN OPERATION & TESTING BLOWN-IN INSULATION BOOKSTORE BRICK LINED WALLS BRICK VENEER WALL AIR LEAKS BRICK VENEER WALL Loose, Bulged BRICK WALL DRAINAGE WEEP HOLES BUCKLED FOUNDATIONS due to INSULATION? BUILDING DAMAGE ASSESSMENT & REPAIR BUILDING SAFETY HAZARDS GUIDE BUILDING NOISE DIAGNOSIS & CURE CACTUS FUNGI / MOLD CAR MOLD CONTAMINATION CARPENTER ANTS CARPENTER BEES CARPET DUST IDENTIFICATION CARPET MOLD CONTAMINATION CARPET PADDING ASBESTOS, MOLD, ODORS CARPET STAIN DIAGNOSIS CARPET & other STAIN TESTS CARPET TEST PROCEDURE CABINETS & COUNTERTOPS CARPETING & INDOOR AIR QUALITY CARPETING, SELECTION & INSTALLATION CASEWORK, CABINETS, SHELVING INSTALLATION CATHEDRAL CEILING INSULATION CATHEDRAL CEILING VENTILATION CEILING FINISHES INTERIOR CEILINGS, DROP or SUSPENDED PANEL CEILINGS, PLASTER TYPES CERAMIC TILE FLOOR, WALL CERAMIC TILE, ASBESTOS in? CHIMNEY INSPECTION DIAGNOSIS & REPAIR CHINESE DRYWALL HAZARDS CLOGGED DRAIN DIAGNOSIS & REPAIR COMBUSTION AIR for TIGHT buildings CONDENSATION or SWEATING PIPES, TANKS COOLING LOAD REDUCTION by ROOF VENTS CRAWL SPACES DEW POINT CALCULATION for WALLS DEW POINT TABLE - CONDENSATION POINT GUIDE DOORS, INTERIOR DRYWALL HAZARDS, CHINESE DRYWALL INSTALLATION Best Practices DRYWALL MOLD DRYWALL MOLD RESISTANT EARTHQUAKE DAMAGED FOUNDATIONS EFFLORESCENCE, Salts & White / Brown Deposits ELDERLY & VETERANS HOME SAFETY ELECTRICAL INSPECTION, DIAGNOSIS, REPAIR ENGINEERED WOOD Flooring ENGINEERED WOOD Products EXTERIOR WALL SIDING TRIM & FINISHES FIBERGLASS INSULATION FIBERGLASS HAZARDS FIBERGLASS INSULATION MOLD FLAT ROOF MOISTURE & CONDENSATION FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP FLOODS IN buildings-mold FLOOR, CERAMIC TILE FLOOR, CONCRETE SLAB CHOICES FLOOR, CONCRETE SLAB POURED FINISH FLOOR DAMAGE DIAGNOSIS FLOOR, ENGINEERED WOOD & LAMINATES FLOOR FRAMING & SUBFLOOR for TILE FLOOR, KITCHEN & BATH OPTIONS FLOOR, LAMINATE PLASTIC FLOOR RADIANT HEAT Mistakes to Avoid FLOOR, RESILIENT VINYL or CORK FLOOR, STONE, GRANITE, MARBLE, AGGLOMER FLOOR & SUBFLOOR MOLD, HIDDEN FLOOR TYPES & DEFECTS FLOOR TILE ASBESTOS IDENTIFICATION FLOOR TILE HISTORY & INGREDIENTS FLOOR TILE INSTALLATION DETAILS FLOOR WOOD AGE TYPES HISTORY FLOOR WOOD, DAMAGE DIAGNOSIS FLOOR, WOOD ENGINEERED LAMINATES FLOOR, WOOD FINISHES FLOOR, WOOD INSTALLATION GUIDE FLOOR, WOOD MOISTURE FLOOR, WOOD RADIANT HEAT FLOOR, WOOD SOLID STRIP, PLANK FLOOR, WOOD TYPES FLOORING MATERIALS, Age, Types FORMALDEHYDE HAZARDS FOUNDATION BULGE or LEAN MEASUREMENTS FOOTING & FOUNDATION DRAINS FOUNDATION CRACKS & DAMAGE GUIDE FOUNDATION WATERPROOFING FRAMING DAMAGE, INSPECTION, REPAIR FRAMING DETAILS for BETTER INSULATION FREEZE-PROOF A BUILDING FROST HEAVES, FOUNDATION, SLAB FUNGICIDAL SPRAY & SEALANT USE GUIDE GAS DETECTION INSTRUMENTS GAS EXPOSURE EFFECTS, TOXIC GAS EXPOSURE LIMITS & STANDARDS GAS TEST PROCEDURES HEAT LOSS in BUILDINGS HEAT LOSS DETECTION TOOLS HEAT LOSS INDICATORS HEAT LOSS PREVENTION PRIORITIES HEAT LOSS R U & K VALUE CALCULATION HEAT TAPES & CABLES on Roofs for Ice Dams HEATING COST SAVINGS METHODS HOT ROOF DESIGNS: Un-Vented Roof Solutions HOT WATER HEATERS HOUSEWRAP AIR & VAPOR BARRIERS HOUSE DOCTOR, how-to be HUMIDITY LEVEL TARGET ICE DAM PREVENTION Ice Dams: Comparing Two Houses INDOOR AIR QUALITY & HOUSE TIGHTNESS INDOOR AIR QUALITY IMPROVEMENT GUIDE INSULATION CHOICES INSULATION FACT SHEET- DOE INSULATION for GREENHOUSE or SOLARIUM INSULATION IDENTIFICATION GUIDE INSULATION INSPECTION & IMPROVEMENT INSULATION LOCATION - WHERE TO PUT IT INSULATION MOLD INSULATION R-Values & Properties INTERIOR FINISHES: BEST PRACTICES INTERIOR FINISHES: DRYWALL KIT HOMES, Aladdin, Sears, Wards, Others KITCHEN & BATH DESIGN GUIDE LIGHTING, EXTERIOR GUIDE LIGHTING, INTERIOR GUIDE LOG HOME GUIDE METAL LATH, PLASTER & STUCCO MIXING / ANTI-SCALD VALVES MOBILE HOME INSPECTIONS MOISTURE CONTROL in BUILDINGS MOLD in FOAM INSULATION, RESISTANCE MOLD INFORMATION CENTER Nanomaterials Hazards NOISE / SOUND DIAGNOSIS & CURE NOISE, AIR CONDITIONER COMPRESSOR NOISE, DUCT VIBRATION DAMPENERS NOISE CONTROL for HEATING SYSTEMS NOISE CONTROL for FLOORS NOISE CONTROL for PLUMBING NOISE CONTROL for ROOFS NOISE, PLUMBING DRAIN DIAGNOSIS NOISE, PLUMBING DRAIN REPAIR NOISE, PLUMBING CHECKLIST NOISE, WATER HEATER NOISES, WATER PUMP ODORS & SMELLS DIAGNOSIS & CURE PASCAL CALCULATIONS PAINT FALURE, DIAGNOSIS, CURE, PREVENTION PLASTER PLASTER & BEAVERBOARD & DRYWALL PLASTER BULGES & PILLOWS PLASTER LATH, METAL PLASTER, LOOSE FALL HAZARDS PLASTER TYPE IDENTIFICATION PLASTER VENEER Best Practices RADIANT HEAT RADIANT HEAT Floor Mistakes to Avoid RADIANT HEAT TEMPERATURES RADIANT SLAB FLOORING CHOICES RADIANT SLAB TUBING & FLUID CHOICES ROOF VENTILATION SPECIFICATIONS ROT RESISTANT LUMBER ROT, TIMBER FRAME ROT, TIMBER ASSESSMENT SAFETY HAZARDS & INSPECTIONS SAFETY: Elderly & Veterans Home Safety SAFETY for ELECTRICAL INSPECTORS SEARS KIT HOUSES SINKHOLES, WARNING SIGNS SINKING BUILDINGS SLAB CRACK EVALUATION SOUND CONTROL in buildings Splits in Structural Wood Beams STAIN DIAGNOSIS on BUILDING EXTERIORS STAIN DIAGNOSIS on BUILDING INTERIORS STAINS & FINISHES, INTERIOR STAIRS, RAILINGS, LANDINGS, RAMPS STONE CLEANING METHODS STRESS SKIN INSULATED PANELS STRUCTURAL DAMAGE PROBING STUCCO WAll FAILURES DUE TO WEATHER STUCCO WALL METHODS & INSTALLATION STUCCO OVER FOAM INSULATION STUCCO PAINT FAILURES STRUCTURAL DAMAGE PROBING STRUCTURAL WOOD ASSESSMENT SUMP PUMPS GUIDE SWEATING (CONDENSATION) on PIPES, TANKS Thermal Expansion Cracking of Brick THERMAL EXPANSION of HOT WATER THERMAL EXPANSION of MATERIALS THERMAL IMAGING, THERMOGRAPHY THERMAL IMAGING MOLD SCANS THERMAL MASS in BUILDINGS THERMAL TRACKING Indicates Heat Loss TILE INSTALLATION DETAILS TRIM, INTERIOR INSTALLATION TRAPPED MOLD BETWEEN WOOD SURFACES TRUSS UPLIFT, ROOF TRUSSES, Floor & Roof VAPOR BARRIERS & CONDENSATION in BUILDINGS VENTILATION in BUILDINGS VINYL CHLORIDE HEALTH INFO VINYL SIDING VINYL Siding or PLASTIC Window ODORS Volatile Organic Compounds VOCs WALL SIDING TRIM & FINISHES WALL FINISHES INTERIOR WALL CONSTRUCTION BARRIER vs CAVITY WATER BARRIERS, EXTERIOR BUILDING WATER ENTRY in buildings WINDOWS & DOORS WINTERIZE A BUILDING WOOD Burning Heaters Fireplaces Stoves WOOD FLOOR DAMAGE More Information |
This article explains the choices and proper installation of engineered wood flooring and laminated wood floor products. At FLOOR, WOOD ENGINEERED & LAMINATED we define three basic types of flooring products: hardwood flooring, engineered wood flooring, and laminate flooring. This article series discusses and provides a best construction practices guide to the selection and installation of building interior surface materials, carpeting, doors, drywall, trim, flooring, lighting, plaster, materials, finishes, and sound control materials. This article includes excerpts or adaptations from Best Practices Guide to Residential Construction, by Steven Bliss, courtesy of Wiley & Sons. Our page top photo illustrates what can happen to an engineered-wood floor (or any wood floor for that matter) if it is exposed to flooding from a burst plumbing or heating pipe. Also see INTERIORS of buildings, our home page for information about all topics relating to building interiors. Green links show where you are. © Copyright 2013 InspectAPedia.com, All Rights Reserved. Author Daniel Friedman. Guide to Choosing & Installing Engineered Wood Floors: Wood LaminatesAs described in the book, Best Practices Guide to Residential Construction Chapter 5, Interior Finish:
Our photo (left) shows a selection of engineered wood and laminate flooring choices that we discuss here. (The first two samples from the left side of the photo are a resilient vinyl floor sample and a solid maple flooring sample and do not belong in the category of laminate nor engineered wood flooring.) Laminated floors are also the best choice for glue-down applications because of their inherent stability. Another advantage is that engineered wood floors do not require a beveled edge. Most have tight-fitting, square-edged joints. Materials Used in Engineered Wood FloorsLaminated floors come in a wide variety of sizes, from 1/4 to 3/4-inch thick. In general, the more plies a flooring has, the stronger and more stable it will be. Three plies is typical. Look for a top wear layer of at least 1/8-inch if the floor is to be sanded and refinished in the future. Typical laminated floors can be sanded and refinished once or twice; the best, up to three or four times.
Longstrip flooring has several short pieces of strip flooring in the top ply to give the appearance of random length strip flooring. Single panels are as large as 8x96 inches (see Figure 5-12). It is used primarily in floating floors, but some products may also be nailed or glued. Since each panel is two or three strips wide, the end joints of these strips line up at panel ends, unlike in a true strip floor. Single-strip products, on the other hand, are visually indistinguishable from a traditional strip floor. Our photo (below right) illustrates an engineered wood floor product sample from Bruce® hardwood floors.
Veneers may be either sliced or rotary cut. Rotary-cut veneers make better use of the tree with less waste, but sliced veneers are harder and less prone to denting. Also, look for interior veneers that are the same wood as the face veneer or at least as hard. Soft interior veneers make a weaker flooring that is more prone to denting. Installation Procedures for Engineered Wood FloorsLaminated wood floors can be nailed, stapled, or glued with mastic to any dry wood subfloor. Many can also be glued directly to dry concrete (see “Installing over Concrete,” page 168, for how to test dryness). If the concrete is below grade, check with the manufacturer to see if the product is guaranteed for that application. A floating floor may be a better choice for below-grade applications. In general, glue-down products are 1/4- to 3/8-inch thick parquet tiles, strips, or planks. Strips or planks are generally less than 2 feet long, since longer pieces are too difficult to straighten with glue. The only solid wood flooring that is glued is parquet, which gains stability from the short pieces and different orientations of the grain. As with unfinished flooring, the building should be closed in, with all wet work completed and dried, before installing engineered wood flooring. Make sure the concrete or subfloor is sufficiently dry and the indoor humidity level is close to the level it will be when the building is occupied. Keep the flooring materials packaged until installation. Floating Floor Installation Methods for Engineered Wood FloorsAnother option is to float the finish flooring. You can float a floor over virtually any stable substrate, including concrete, wood, smooth tile, or even short-nap carpet. With most floating floors, the T&G pieces are edge-glued to one another with PVA wood glue and installed over a thin layer of closed-cell, high-density foam and a vapor barrier. A floating floor is more resilient underfoot than one glued to concrete, but feels less solid than a nailed or glued floor. Some manufacturers offer a harder premium foam underlayment, which is recommended for those seeking a more solid feel underfoot. Still, customers should be aware that a floating floor will feel different from a nailed or glued floor.
Existing door casings can be undercut to allow for movement. Restraining the flooring ends at doorways or the room perimeter can lead to open joints or buckling. Because there are no mechanical fasteners to the substrate, floating floors rely on good quality flooring and a very flat slab or subfloor to produce a smooth, trouble-free floor. In shopping for the flooring, choose materials that are straight and uniform in thickness, fit together snugly, and lay flat with few visible gaps. The subfloor should be level to within 1/8-inch over 10 feet. If necessary, shim low points with clean mason’s sand or felt or rosin paper layered in the low spots to create a tapered shim (do not use asphalt felt over radiant floors, however, to avoid fumes). While floating floors cannot tolerate the heavy vibration caused by standard floor sanding equipment, most floating wood floors can be lightly sanded and refinished or coated with sandless finishes. Follow the manufacturer’s recommendations regarding refinishing. No-Glue Installation Method for Engineered Wood FloorsNo-glue longstrip flooring is available from Alloc, Inc. and BHK of America (see Buy Interior Finish Product Resources). Each company uses its own interlocking edge design to snap the 8x48-inch or 8x96-inch panels together in place of adhesive. These products were developed in Europe where people often take their floors with them when they move.
The clips, along with adhesive at butt joints only, work together to create a strong monolithic floor with the appearance of traditional strip flooring but the ability to move with moisture and temperature changes, making it ideal for use over radiant slabs. The 5-inch-wide boards are either a single plank in width or two strips dovetailed together. The 9/16 -inch product is guaranteed for two sandings, the 3/5-inch for seven. Bamboo Flooring Sources, Properties, Installation GuideA recent introduction to the flooring market, bamboo is not really a wood, but a type of grass that matures in three to five years on plantations, making it an environmentally friendly alternative to premium hardwoods. To make bamboo into flooring, thin strips are laminated to form planks from 3/8 to 3/4 inch thick. The familiar nodes that separate bamboo stalks into short sections create darker cross markings, giving the product an attractive and unusual appearance. A more homogenous color is also available from some manufacturers by using laminated strands. Engineered bamboo flooring is as hard as maple and more stable than oak, and comes either unfinished or prefinished with the same types of finishes as used on hardwood flooring. -- Adapted with permission from Best Practices Guide to Residential Construction. At FLOOR, WOOD ENGINEERED & LAMINATED we define three basic types of flooring products: hardwood flooring, engineered wood flooring, and laminate flooring. We illustrate each of these floor covering approaches with flooring sample photographs. Excerpts are bgelow
Resources: Manufacturers, Industry Associations, & Sources of Indoor Engineered Wood and Wood Laminate Flooring MaterialsPrefinished Wood FlooringAlloc Inc. www.alloc.com Snap-together, no-glue long-strip and single-strip laminated flooring Anderson Hardwood Floors www.andersonfloors.com Laminated strip, nail, glue, and floating Armstrong World Industries www.armstrong.com Bruce, Hartco, and Robbins prefinished plank and engineered strip BHK of America www.bhkuniclic.com Snap-together, no-glue laminated wood flooring Columbia Wood Flooring www.columbiaflooring.com Prefinished solid strip Duro-Design www.duro-design.com Floating click-lock oak flooring Gammapar www.gammapar.com Engineered wood strip with oil, UV-cured urethane, or acrylic-impregnated finish Junkers Hardwood www.junkershardwood.com Floating solid strip with metal clip installation Kahrs www.kahrs.com Laminated strip with UV-cured acrylic urethane, nail, glue, or floating Lauzon www.lauzonltd.com Prefinished strip, laminated strip, and click-lock laminated plank Mannington Mills www.mannington.com Laminated strip and plank with polyurethane and aluminum-oxide finish Medallion Hardwood Flooring www.medallionhardwood.com Prefinished solid hardwood strip and plank with aluminum-oxide finish Tarkett Wood Floors www.harris-tarkett.com Prefinished solid hardwood, laminated, and long-strip flooring MercierWood Flooring www.mercierdurable.com Prefinished solid strip and laminated strip with aluminum-oxide finish PermaGrain Hardwood Flooring www.permagrain.com Acrylic-impregnated laminated strip and plank Zickgraf Hardwood Flooring www.zickgraf.com Prefinished solid strip with UV-cured urethane with diamond and aluminum oxide Bamboo Flooring Producers & SourcesBamtex (a division of Wood Flooring International) www.bamtex.com Laminated bamboo and palm flooring Duro-Design www.duro-design.com Laminated bamboo flooring with durable water-based finish Gammapar www.gammapar.com Acrylic-impregnated bamboo flooring Hawa Bamboo Flooring www.hawabamboo.com Prefinished bamboo flooring with aluminum-oxide finish Natural Cork www.naturalcork.com Prefinished glue-down or nail-down 3-ply bamboo planks with aluminum-oxide finish Resilient Flooring Manufacturers ListCongoleum www.congoleum.com Vinyl sheet flooring and tiles Domco (division of Domco Tarkett Group) www.domco.com Vinyl sheet flooring and tiles Forbo www.forbo-flooring.com Linoleum sheet and tiles Mannington Mills www.mannington.com Vinyl sheet flooring and tiles Nova Distinctive Floors www.novafloorings.com Laminated linoleum surface over fiberboard and cork planks, floating installation Tarkett www.tarkettna.com Vinyl sheet flooring and tiles Cork Flooring Manufacturers & SourcesAmerican Cork Products Co. www.amcork.com Prefinished parquet tiles and floating floor planks Amorim Revestimentos (formerly Ipocork) www.wicanders.com Floating or glue-down laminated cork tiles with UV-acrylic or oil finish BHK of America www.bhkuniclic.com Snap-together, no-glue, laminated cork flooring with UV-acrylic finish Expanko Cork Inc. www.expanko.com Cork tiles with wax or polyurethane finish Korq Inc. (212) 758-2593 Natural Cork www.naturalcork.com Glue-down cork tiles and floating laminated planks with UV-cured acrylic finish Nova Distinctive Floors www.novafloorings.com Laminated cork planks with glue-down and floating click-lock installation WECork www.wecork.com Cork tiles, sheets, and floating floors Polymer (Urethane), MDF, and Vinyl Trim Producers & SourcesBurton Mouldings www.burton-mouldings.com MDF(medium-density fiberboard), polymer, flex, and wood Fypon www.fypon.com Polymer moldings and components Nu-Wood www.nu-wood.com Polymer moldings and components Outwater Plastics www.outwater.com Polymer moldings and components RAS Industries www.rasindustries.com Polymer moldings and components Royal Mouldings (formerly Marley Mouldings) www.royalmouldings.com Polymer, polystyrene, expanded-PVC, CPVC, and acrylic molding profiles and components Flexible Trim Manufacturers & SourcesFlex Trim www.flextrim.com Flexible polymer moldings Resin Art www.resinart.com Flexible polymer moldings Industry & Trade Associations for FlooringAmerican Lighting Association www.americanlightingassoc.com Association of the Wall and Ceiling Industries www.awci.org Carpet and Rug Institute (CRI) www.carpet-rug.org Drywall Finishing Council www.dwfc.org Forest Stewardship Program www.fscus.org FloorFacts www.floorfacts.com The Gypsum Association www.gypsum.org National Oak Flooring Manufacturers Association (NOFMA) www.nofma.com National Wood Flooring Association www.woodfloors.org Painting and Decorating Contractors of America www.pdca.org Smartwood/Rainforest Alliance www.smartwood.org -- Adapted with permission from Best Practices Guide to Residential Construction. 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