This top layer normally is tar over which the gravel is laid.
Low pitch roof covering options.
It s constructed of a durable reinforcing mat of non woven glass fibers that have been coated and permeated to a thickness of approximately 2 0 mm.
But in some climates such as areas of deep snow cover the property owner may prefer to convert to a more steeply sloped roof structure a procedure we describe at low slope roof conversion 3 4 5.
Built up roofing is the most popular roofing material used on low sloped roofs.
For a roof recover that is keeping the low slope structure a roofer may add tapered insulation and then a new roof covering of epdm or other roofing material.
For a low slope residential roof there are two main options.
Clay or cement tiles can be used on a wide range of roof pitches.
Low slope metal roofs have been a preferred roof covering for commercial institutional and industrial buildings for years because of their ability to protect against the elements to allow water to drain away from the roof surface and to keep building contents and occupants dry and comfortable.
4 12 to 20 12 pitches.
Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs.
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.
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.
For pitches of 2 5 12 up to 4 12 the roof requires double underlayment.
Made of several layers of bitumen surfaces built up roofing is finished by applying an aggregate layer or coating as the top layer.
For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system.
2 where the roof is not visible consider upgrading to a single ply roofing intended for low slope roofs.