The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.
Florida patio roof pitch requirement.
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.
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.
Underlayment materials required to comply with astm d226 d1970 d4869 and d6757 shall bear a label indicating compliance to the standard.
The installation requirements for new asphalt shingle roofing systems is found within the florida building code building edition chapter 15.
The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span.
Most of these laws are found in the sixth edition of the florida building code which went into effect on dec.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
Roofing material or system.
Minimum required slope x in 12 minimum required slope degrees asphalt shingles.
18 43 asphalt shingles with special underlayment requirements 2 in 12.
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.
Licensees regulated under fs 471 need only to complete the core.
Roof repairs to existing roofs and roof coverings shall comply with the provisions of this code.
Asphalt shingles require a minimum roof pitch of 2 12 or greater.
However you can only use this pitch with built up roofing or specialized synthetic roofing.
Patio cover roofs must conform to the local building code including how they are attached to the building.
Florida has more roofing regulations than you may realize.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Minimum required roof slope for roofing materials.
In 12 0 25 in 12 1 19 built up roof coal tar pitch.
Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.
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.
Let us recap on the minimum roof pitch required for each type of roofing material.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
9 46 built up roof asphalt.
