Roofing For Flat Or Low Pitch Roof

A roof that is nearly flat or slightly pitched is called a flat roof or low slope roof no roof should be dead flat because it must have at least a slight slope to drain.

Roofing for flat or low pitch roof.

In retrofit projects a sub framing system is attached to the existing flat roof surface to provide a minimum 12 roof pitch. Can metal roofing be used on a low slope pitch roof. Moreover low slope metal roofs are not prone to the degradation experienced by organic materials enabling these roofs to better resist the elements. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.

In combination with iko roof fast cap sheets it provides waterproofing properties and durability for low slope roofs. Typically large footprint single story warehouses and pre engineered metal buildings will utilize low slope metal roof systems. These new flat roof skylights are fitted in a pvc curb and topped with one of two covers. Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs.

A low slope roof is one that has a slope of less than 3 in 12. Designed with flat roofs in mind curvetech glass is a curved edge to edge cover that allows rainwater to easily disperse off the glass. Curvetech glass or polycarbonate dome. For a low slope residential roof there are two main options.

1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Residential low slope roofing can generally be divided up into two broad categories. Low slope metal roofs require less material which reduces the overall load on the building s structure. 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.

With a velux flat roof skylight designed to meet the growing demand for skylights in homes with flat or low pitch roofs you can transform and improve virtually any space with daylight. The membrane will outlast the shingles and seal around all nail penetrations. Minimum metal roof slope depends on the roof profile building design climate and site location. In our photo left the roof slopes less than 1 per foot notice that dark ponding area at the center of the photo.

Then apply standard asphalt shingles over the membrane. Think of them as taking the middle road in terms of roof pitch not too flat not too steep. Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch.