Minimum Pitch For Cedar Shake Roof

We discuss the following.

Minimum pitch for cedar shake roof.

Normal shingle installation is allowed for all roofs with a pitch of 4 12 and above. The maximum width of flat grain shingles is 8 inches. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. This wood roof article describes the slope and exposure requirements for wood shake or wood shingle roofs and provides detailed instructions on how and where to nail or fasten wood shingles shakes on roofs.

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. These top grade shingles are 100 heartwood 100 clear and 100 edge grain. The minimum width for both shakes and shingles is 3 inches. If you desire a cedar roof for your home the ideal pitch for your roof ranges from a five pitch to a 12 pitch.

Asphalt shingles require a minimum roof pitch of 2 12 or greater. The minimum roof slope on which certi label shakes are recommended is 4 12 and for certi label shingles 3 12. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. Modern building codes require a minimum slope of 4 12 for shakes and 3 12 for shingles.

Normal roof slope for typical installation. The minimum roof pitch for shingles and shakes is 14 degrees. Wood shingle wood shake roof installation specifications. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code.

Irc and ibc codes allow a minimum roof slope of 3 12 for shakes and shingles mansard roofs installation guidelines are found here. At these pitches there is a possibility of some water penetration. As with asphalt shingles flashing at sidewalls should be stepped flashing not continuous flashing. Nailing schedule for wood shingles shakes.

Available 100 edge grain 100 all clear in 16 or 18 or 24 lengths. Metal roof shingles require a minimum roof pitch of 3 12 or greater. At these low pitches 14 22 degrees care must be taken and a water impermeable vapour permeable underlay must be used underneath with a ventilated space between the membrane and the shingles. Handsplit red cedar shakes cedar shake shingle bureau the recognized authority sin ce 1915 sumas washington 604 820 7 700 certi split the premium grade of shingles for roofs and sidewalls.

It is typical to see installations with slopes greater than these. Let us recap on the minimum roof pitch required for each type of roofing material. Low sloped roof shingle installation.