Shake Roof With No Felt

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

Shake roof with no felt.

30 felt lapped at least 3 inches horizontally and 6 inches at end laps. 3 starter shingles a narrow row of asphalt roofing the starter strip is nailed to the perimeter of the roof with a bead of adhesive on top that grips the underside of the first course of shingles. Check with the local building official and a building envelope specialist regarding any modifications to or the addition of a. Felt otherwise known as underpayment is required when.

Space the jacks no more than 4 ft. This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of defense against leaks after the shingles. Pack owens corning 7 in. No 30 felt shake liner grip rite 11 1 1 4 in.

Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. But unlike an asphalt shingle roof nailed over felt directly to a roof deck a wood shingle or shake roof that has been installed using best practices includes a disposal path for water absorbed in the roof surface. When the heat from your home melts snow or ice on your roof the water can then seep into. Roofing felt helps ensure the water drains off the roof and doesn t leak into your home.

Never interlay shingles with felt it is already a 3 ply system. Permeable synthetic felt mimicking products as well as self adhesive products. Felt interlay or felt underlayment underlayment specifications for wood shingle shake roofs. Over solid sheathing use minimum no.

Ft roofing starter shingle roll. Building officials may approve eliminating felt interlayment between shake courses when tapersawn or tapersplit shakes are applied in snow free areas at weather exposures of less than one third the total shake length 3 ply roof. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Wood shake or shingle roof installation specifications.

Interlay shakes with 18 wide no. Buy the adjustable type designed to hold a 2x10 board. Nail roof jacks to the rafters with at least three 16d nails through the roof sheathing and then nail on a 2x10 to prevent you and the shingles from sliding off the roof. It provides backup protection in the event of ice or water damage in northern climates ice or snow dams are another common cause of residential water damage.

An air space between the wood roofing and the roof deck or the installation of wood roofing over spaced nailers or skip. 30 astm standard felt.