What is the proper nailing pattern for wood shingle or wood shake roofs. Wood shingle exposure length table. Notes on side-lap wood shingle roofs. Our page top sketch of wood shingle roof installation details is provided courtesy of Carson Dunlop Associates.
The head laps are 6", 7", or 9" respectively for 16", 18" or 24" long shingles respectively. Shingle exposures for wood roofs: the maximum weather exposure for wood shakes or wood shingles depends on the shingle size and the slope or pitch of the roof. Allowable shingle exposure may also vary by the shingle grade - something that you might infer by visual inspection of the shingles, matching against wood shingle grade definitions, or if a shingle identification label can be located.
Wood roof shingles are typically 16", 18" or 24" in length and up to 13" in width but limited to 8" in width in some building codes. Carson Dunlop Associates' sketch left illustrates the typical wood roof shingle application pattern. The typical life of a wood shingle roof is years, but life expectancy varies considerably depending on how the shingles were installed as well as on the pitch of the roof its slope , and its sun and weather exposure.
Too much sun dries out the shingles leading to splitting, and too much shade may keep the shingles too damp, leading to rot. Shingle quality and shingle treatments for example with preservatives or with protection against photoxidation are important life factors as well.
The diamond-shaped nail tip itself has no holding power, just the roofing nail shank. So if you see shingle nails protruding through a plywood roof deck, that is not an error. Nail specifications for wood shingles may vary by wood species; using western red cedar as an example, nails are to be corrosion resistant hot dipped galvanized, stainless steel, aluminum, or copper.
In dry climates, good quality electrogalvanized staples, conforming to ASTM A, are satisfactory according to the Cedar Shake and Shingle Bureau, but from our field experience we prefer nails. Wood shingle nailing pattern : in most applications only two nails are used per shingle, in order to permit movement without splitting as the shingle expands and contracts during changes in its moisture level.
According to the Cedar Shake and Shingle Bureau, fasteners should be driven flush with the shake or shingle top surface, but no so deeply that the head crushes the wood. The eaves flashing should extend up the roof to a point 24 inches inside the building. Where eaves flashing is required with spaced sheathing, install solid sheathing along the bottom section of the roof to support the eaves flashing. All nails should be either stainless steel type or , hot-dipped galvanized, or aluminum. Staples should be either stainless steel or aluminum.
Galvanized staples will not last the life of the roof. Install the uppermost layer by trimming the top edge of the each shake with a circular saw before attaching it. Ridge shakes install from each end of the ridge to the middle, with each subsequent ridge shake overlapping the previous one. Glenda Taylor is a contractor and a full-time writer specializing in construction writing. She also enjoys writing business and finance, food and drink and pet-related articles. Her education includes marketing and a bachelor's degree in journalism from the University of Kansas.
By Glenda Taylor. Related Articles. Roof Deck Before installing the shakes, the roofer covers the roof deck with or pound roofing felt.
Shakes and Felt Layers The top of each new course of shakes slips beneath a layer of interlayment felt paper. Keeping the Rows Straight To keep the rows of shakes even, align the bottom of each shake course with the bottom edge of interlayment felt paper beneath the previous course. The Ridge When you reach the top of the roof, the shakes will probably be longer than the remaining space. Installation, Care, and Maintenance of Wood.
Thank you to the Cedar Shake and Shingle Bureau, CSSB for making these the most Cedar Breather protects wood roofing by providing a space for continuous airflow between the solid roof deck and shingles or shakes. GAF 18 in. Cedar shakes, with their heavier. Get Cedar Shingle Roof price options and installation cost ranges. Input Cedar roofing consists of Check the rest of the roof installation to ensure the cedar shakes or shingles laid on the roof up to the ridge are properly installed Replacing a Roof: How To Install Shingles and Step Flashing Not all shingles have these markings, but you can find instructions for nailing on the shingle wrapper Owens Corning Shingle Application Instructions Cover the ridge of the roof with high ridge hip and ridge shingles.
Cedar Breather protects wood roofing by providing a space for continuous airflow between the solid roof deck and shingles or shakes. Cost of Cedar Roofing Homewyse Installation Instructions Cedar Impressions Half-Round Cedar shakes give homes a rustic look because of their rough and somewhat irregular appearance, when compared to the clean outlines of other wood shingles. Install working from the lowest level up to the top of the Offering the distinctive beauty and richness of cedar shake, DECRA Shake is the ideal roof.
How to lay of underlayment for a cedar shingle roof. Installation Instructions. Beginning from either end of the roof peak install a continuous single row Cost of Cedar Shake Roof. Click on the below links to view the full application instructions for : Cedar Shingle Application … shingles when you have to replace shingles and know how to shingle a roof.
Western Installation instructions for depends on the application instructions for the shingle being of the roof, then install the hip and ridge caps.
Not only are cedar shingles Installation of a mm zinc strip exposed at the the mansard roof are Western Red Cedar shingles and shakes.
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