Roofing association manuals as well as the code book specify a minimum slope of 1 4 inch per foot for low slope roofing.
Low slope roof edge detail.
For a low slope residential roof there are two main options.
Residential low slope roofing can generally be divided up into two broad categories.
I will be installing a wrapped fascia board and a gutter.
Drip edge and membrane duration.
These panels generally come with a painted mill finish or a clear acrylic finish.
Low slope metal perimeter edge details include fascia coping and gutters are critical systems that can strongly impact the long term performance of single ply roofs.
Start with an appropriate roll width see field details reference to accommodate offsetting of sidelapsapplication.
Design layout so that no sidelaps are against the flow of water.
Begin application at the low point of the roof.
Styles of drip edge f d t l g h a all to confusing as are comparing terms roof edge gutter apron eave drip drip edge.
Low slope roof wall flashing detail installation duration.
I have a low slope roof.
As part of the es 1 testing protocol re 3 tests upward and outward simultaneous pull of a horizontal and vertical flanges of a parapet coping cap.
The membrane will outlast the shingles and seal around all nail penetrations.
Install flush to roof edge.
Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth.
Low slope structural roofing generally used on roof pitches ranging from 12 to 3 12 consists of interlocking panels commonly called standing seam roofing that run vertically along the roof surface.
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Then apply standard asphalt shingles over the membrane.
One cool trick is to use a slope kit consisting of sheets of foam that are tapered to provide the necessary slope.
In previous articles i ve covered details for transitions to steeper slope roofing steep slope to low slope transitions apr 14 and explained why i prefer not to use drains or scuppers instead opting for one edge of the roof being completely open draining low slope roofs oct 15.
Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically from steep slope to low slope on the same structure.
Of subsequent layers in the roof system for increased water protection.
1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
The basics on a speed square duration.
Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs.