Their fasteners are either concealed or screwed at the top of a ridge which makes them less likely to leak.
Remommn eneded for low pitched roof.
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For a low slope residential roof there are two main options.
Slopes above 19 12 are not recommended since tiles on very steep roofs can rattle.
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Moreover low slope metal roofs are not prone to the degradation experienced by organic materials enabling these roofs to better resist the elements.
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Clay or cement tiles can be used on a wide range of roof pitches.
For pitches of 2 5 12 up to 4 12 the roof requires double underlayment.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
Where deflection from snow or other live loads is a concern a greater slope will be needed to prevent any ponding.
The lower pitch of the roof means greater walkability.
1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
Iko roof fast base ma is a fiberglass reinforced nailable base with a special film surface designed to be used as one of iko s roof fast low slope roofing components.
4 12 to 20 12 pitches.
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Then apply standard asphalt shingles over the membrane.
Minimum slope for low slope roof systems with any roofing material a slope of at least 1 4 inch per foot is recommended to promote drainage and minimize ponding.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
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This in turn results in a longer life span and a very low annual.
Flintlastic sa products feature easy and clean application and also have granulated surfaces with colors that coordinate with certainteed shingles providing the homeowner with a complete and coordinated solution for roof designs that transition from steep to low slope.
In retrofit projects a sub framing system is attached to the existing flat roof surface to provide a minimum 12 roof pitch.
But the taller profiles like standing seam and pbr shown below can be installed on roofs with as low as 1 4 or 1 2 in 12 pitch.
Pros since a low pitch roof doesn t require as many shingles more often than not a low pitch roof will end up being more cost efficient during installation.
Low pitch roofs are safer and easier to access when maintenance and or repairs are needed.
