Asphalt shingles continue to be the most widely installed roof covering option in north america.
Florida patio roof pitch requirement.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
However you can only use this pitch with built up roofing or specialized synthetic roofing.
The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span.
There are laws regarding who can work on roofs how roofs must be installed or repaired when roofs may be reroofed and much more.
Minimum required slope x in 12 minimum required slope degrees asphalt shingles.
Minimum required roof slope for roofing materials.
Licensees regulated under chapters 468 471 481 489 florida statutes must complete a minimum of one core course by june 1 2003 or within two years of initial certification or registration whichever is later.
Underlayment materials required to comply with astm d226 d1970 d4869 and d6757 shall bear a label indicating compliance to the standard.
Licensees regulated under fs 471 need only to complete the core.
Unless otherwise noted underlayment for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles wood shakes and metal roof panels shall conform to the applicable standards listed in this chapter.
The installation requirements for new asphalt shingle roofing systems is found within the florida building code building edition chapter 15.
The irc recommends a minimum design load of 10 pounds per square foot in addition to all dead loads except where this minimum is exceeded by local snow or wind load requirements.
Florida building code training required training on the code.
It is important for shingle roofs to function properly and one method of ensuring that this is achieved is to observe the pitch requirements for the shingles.
Chapter 15 of the florida building code building or chapter 9 of the florida building code residential.
In 12 0 25 in 12 1 19 built up roof coal tar pitch.
The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.
Patio cover roofs must conform to the local building code including how they are attached to the building.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
Most of these laws are found in the sixth edition of the florida building code which went into effect on dec.
Asphalt shingles require a minimum roof pitch of 2 12 or greater.
18 43 asphalt shingles with special underlayment requirements 2 in 12.
Roofing material or system.
9 46 built up roof asphalt.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.