A number of specialized flashings, tiles, and fittings simplify
modern roofing tile installations.
At left our photo shows special ridge tiles on a home in New York state, including one broken tile that needs replacement. In this location leakage was minimal.
Key details for interlocking
flat and profile roofing tiles are shown in Figure 2-26 and Figure 2-27 just below, illustrating both curved (below left) and flat (below right) clay (or concrete) roof tile installation fittings that help seal against the weather. [Click any image to see an enlarged, detailed vesion.'
[Click to enlarge any image]
Eaves Closure Requirements on Tile Roofs
Both profile and flat clay roof tiles need special
treatment at the eaves to raise the bottom edge of the first
tile to the correct height and to close off any openings to
birds and insects.
For profile tiles, many tile roofing contractors use a
metal birdstop, a preformed L-shaped strip with the vertical
leg cut to match the underside of the first tile and fit
snugly between the weather checks (see Figure 2-28 at left).
With some high-profile clay or concrete roofing tiles, a special eaves-closure
tile achieves the same effect as shown in Figure 2-26 above. [Click any of our images or tables to see an enlarged view.]
With flat clay roofing tiles, the first course may be raised with a
special starter tile, as shown at left in Figure 2-27, or by a metal
eaves closure, raised fascia, or wood cant strip.
With a cant strip or raised fascia, a beveled wood or foam antiponding
strip is required to prevent ponding of water along the
eaves (Figure 2-29 below).
Ridge and Hip Requirements on Tile Roofs
Unless hip and ridge tiles on a clay tile roof are going
to be set into a continuous bed of mortar, special nailers
are required to install them.
The hip and ridge boards
are typically 2x3s to 2x6s set on edge to hold the trim
tiles in an even plane. They are toenailed in place and
individually wrapped with felt (Figure 2-30 shown at left).
Hip and ridge tiles are later nailed on with a 2-inch
head-lap, and the lower ends are sealed at the overlap with
roofing cement or an approved tile adhesive.
special trim tiles, or other weatherblocking is applied to
fill in gaps between the ridge and hip tiles and the field tile.
Rake Requirements on Tile Roofs
Rakes on clay tile roofs may be finished with detached gable-rake
tiles (as shown in Figures 2-26 and Figure 2-27 shown just above, or with highprofile
tiles, trimmed simply with half-round trim tiles as
shown in Figure 2-31 shown at left.
FAQs below discusses field reports of problems & solutions for this topic
Frequently Asked Questions (FAQs) about clay tile roof penetrations & openings or leaks
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Green Roof Plants: A Resource and Planting Guide, Edmund C. Snodgrass, Lucie L. Snodgrass, Timber Press, Incorporated, 2006, ISBN-10: 0881927872, ISBN-13: 978-0881927870. The text covers moisture needs, heat tolerance, hardiness, bloom color, foliage characteristics, and height of 350 species and cultivars.
Green Roof Construction and Maintenance, Kelley Luckett, McGraw-Hill Professional, 2009, ISBN-10: 007160880X, ISBN-13: 978-0071608800, quoting: Key questions to ask at each stage of the green building process Tested tips and techniques for successful structural design
Construction methods for new and existing buildings
Information on insulation, drainage, detailing, irrigation, and plant selection
Details on optimal soil formulation
Illustrations featuring various stages of construction
Best practices for green roof maintenance
A survey of environmental benefits, including evapo-transpiration, storm-water management, habitat restoration, and improvement of air quality
Tips on the LEED design and certification process
Considerations for assessing return on investment
Color photographs of successfully installed green roofs
Useful checklists, tables, and charts
Roofing The Right Way, Steven Bolt, McGraw-Hill Professional; 3rd Ed (1996), ISBN-10: 0070066507, ISBN-13: 978-0070066502
Slate Roofs, National Slate Association, 1926, reprinted 1977
by Vermont Structural Slate Co., Inc., Fair Haven, VT 05743, 802-265-4933/34. (We recommend this book if you can find it. It
has gone in and out of print on occasion.)
Roof Tiling & Slating, a Practical Guide, Kevin Taylor, Crowood Press (2008), ISBN 978-1847970237, If you have never fixed a roof tile or slate before but have wondered how to go about repairing or replacing them, then this is the book for you. Many of the technical books about roof tiling and slating are rather vague and conveniently ignore some of the trickier problems and how they can be resolved. In Roof Tiling and Slating, the author rejects this cautious approach. Kevin Taylor uses both his extensive knowledge of the trade and his ability to explain the subject in easily understandable terms, to demonstrate how to carry out the work safely to a high standard, using tried and tested methods.
This clay roof tile guide considers the various types of tiles, slates, and roofing materials on the market as well as their uses, how to estimate the required quantities, and where to buy them. It also discusses how to check and assess a roof and how to identify and rectify problems; describes how to efficiently "set out" roofs from small, simple jobs to larger and more complicated projects, thus making the work quicker, simpler, and neater; examines the correct and the incorrect ways of installing background materials such as underlay, battens, and valley liners; explains how to install interlocking tiles, plain tiles, and artificial and natural slates; covers both modern and traditional methods and skills, including cutting materials by hand without the assistance of power tools; and provides invaluable guidance on repairs and maintenance issues, and highlights common mistakes and how they can be avoided.
The author, Kevin Taylor, works for the National Federation of Roofing Contractors as a technical manager presenting technical advice and providing education and training for young roofers.
The Slate Roof Bible, Joseph Jenkins, www.jenkinsslate.com,
143 Forest Lane, PO Box 607, Grove City, PA 16127 - 866-641-7141 (We recommend this book).