611 1 1 not more than.
1 8 roof terrace pitch florida.
1518 8 2 the roof tile product approval shall specify the slope requirement for each tile and underlayment system in accordance with table 1515 2.
Since this is a flat roof or nearly flat roof.
For roof slopes from two units vertical in 12 units horizontal 2 12 up to four units vertical in 12 units horizontal 4 12 double underlayment application is required in accordance with section r905 2 7.
1 pitch 1 01 2 pitch 1 02 3 pitch 1 03 4 pitch 1 05 5 pitch 1 085 6 pitch 1 12 7 pitch 1 16 8 pitch 1 21 9 pitch 1 25 10 pitch 1 31 11 pitch 1 36 12 pitch 1 42.
Uring storm events a roof is expected to perform many functions from preventing water intrusion.
0 pitch 1 00x the roof area.
1518 8 4 all tile systems.
Where the roof sheathing is less than 3 4 inch.
Measure with a speed square.
Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 3 mm shank with a minimum 3 8 inch diameter 9 5 mm head complying with astm f1667 of a length to penetrate through the roofing materials and not less than 3 4 inch 19 1 mm into the roof sheathing.
The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.
Reroofing shall not be required to meet the minimum design slope requirement of 12 in section 1507 of the florida building code building for roofs that provide positive roof drainage high velocity hurricane zones shall comply with sections 1515 2 2 1 and 1515 2 2 2 of the florida building code building.
Minimum roof slope roof pitch r905 15 1 liquid applied roofing must have a design roof slope of 1 4 12 or greater 2 slope.
This means for every 12 horizontal units the roof must rise a minimum of one fourth vertical unit.
What i see here is that the extra precaution required for the minimum 2 12 roof slope was applied to a lower 1 12 roof slope.
A speed square and level can be used to easily find the pitch of a roof.
Set the level on the edge of the speed square as shown below then place the heel of the speed square on a rafter or gable edge of the roof.
However you can only use this pitch with built up roofing or specialized synthetic roofing.
1518 8 3 all roof tile fasteners shall be tested and comply with the requirements set forth in section 1523.
To acting as a structural diaphragm in certain situations.
You can go by the measurements taken by walking the roof.