Wood Shake Roof Underlayment

Wood shake or shingle roof installation specifications.

Wood shake roof underlayment.

Preserves beauty and life of wood roofing. 30 which are reflective of a once used pound per square weight designation. Almost all of the earliest roofs in the united states were roofed with cypress or hickory shakes. Prevents thermal cupping warping.

Interlayment is acceptable on a shake roof but never on a wood shingle roof. Over the past several years synthetic underlayments have become a popular substitute for traditional felts 15 and 30 in common roofing practices for both asphalt and wood roofing. Matrix design creates an airspace between roof deck and shingles. Underlayment and interlayment asphalt saturated nonperforated organic felts are among the most common underlayments used for wood shakes and wood shingles.

Over spaced sheathing no underlayment is used except at the eaves if eaves flashing is required. Wood shakes and wood shingles are manufactured from red cedar cypress pine and redwood trees. In addition to that it s 60 mm thick. Typically 15 felt for asphalt shingles and 30 for wood roofing were the common practice.

Our opinion is that on new asphalt shingle tile fiber cement slate and many wood roofs most roofing contractors apply an underlayment membrane of roofing felt tar paper or fiber reinforced roofing felt. Eliminates moisture allowing shingles to dry. Barricade offers the best underlayment for cedar shakes and can help offset the upfront cost of cedar with their cheap installation costs. This is the best roofing underlayment ever and this gives the epdm membrane outstanding durability good resistance against the ozone uv radiation and also from elemental damage.

30 felt lapped at least 3 inches horizontally and 6 inches at end laps. A special underlayment may be recommended by the manufacturers of specific roofing product and hybrid products. They commonly are designated as type 15 and type 30 or referred to as no. The roof in this photo installed five years ago needs to have all the shingles removed and new shingles installed correctly at the contractor s expense.

Underlayment designed for cedar shingles shakes. Interlayment is the installation of an underlayment typically felt paper between each course of shingles. Felt interlay or felt underlayment underlayment specifications for wood shingle shake roofs. Vulcaseal 22 shake felt is an asphalt saturated underlayment space sheeting that provides maximum protection against water penetration under a wood shake roof.

The use of asphalt felts semi permeable products has long been the underlayment of choice. Added durability uv protection water resistance and a cooler surface temperature are even more reasons to go with barricade. A wood shake is a roofing product that is typically split from a wood log and is re sawn or shaped by a mill. Over solid sheathing use minimum no.