Minimum Roof Slope For Cedar Shingles

On roof slopes less than 4 12 to a minimum of 3 12 reduced exposures are recommended.

Minimum roof slope for cedar shingles.

We do install shingles on these in between pitches but special application measures must be taken in this middle ground. It is best to use timber roofing battens and counter battens with a membrane to allow adequate air flow if necessary. Minimum pitch for cedar roofs if you desire a cedar roof for your home the ideal pitch for your roof ranges from a five pitch to a 12 pitch. If 4 12 and above is normal and 2 12 is minimum what about properties with roofs in between the two such as a 3 12 pitched roof.

What happens when roof is too steep. Roofing material or system. On lower slopes shingles or shakes may be installed over a fully waterproof built up roof bur or membrane roof. 18 43 asphalt shingles with special underlayment requirements 2 in 12.

This means for every 12 horizontal units the roof must rise a minimum of 4 vertical units. Four 45mm x 2 65mm silicon bronze nails for hip and ridge capping. Minimum required roof slope for roofing materials. 9 46 built up roof asphalt.

The minimum recommended slope for standard installation of shingles is 3 12 and 4 12 for shakes. Wood shingles are more susceptible to leaks than composite or asphalt shingles because they don t lock as tightly or lay as flat as traditional shingles. So the big answer for the question is here. Normal shingle installation is allowed for all roofs with a pitch of 4 12 and above.

Normal roof slope for typical installation. The minimum roof slope for common houses and building especially in suburban area is usually 2 12. Minimum roof slope roof pitch r905 6 2 slate shingles can only be installed on roof slopes of 4 12 or greater 33 slope. Use two 31mm x 1 8mm silicon bronze nails per shingle.

In 12 0 25 in 12 1 19 built up roof coal tar pitch. Low sloped roof shingle installation. This number is the right one as it will make the roof not too steep and not too flat. Page 00 introduction new roof construction manual certi label products download pdf page 01 certi label products certi label cedar shakes certigrade cedar shingles download pdf page 02 certi label products pressure impregnated treated products certi guard fire retardant treated cedar shakes shingles certi last preservative treated cedar.