Roof Edge Low Slope Roof

Regular asphalt shingles and standard skylights will work at pitches of 4 12 or greater but at lower pitches you have to use different materials.

Roof edge low slope roof.

Rather than remove the drip edge i cut the doubled up part off with a hack saw. And lifting the old shingles it was wet underneath and it looked like it was wet a lot. By low slope roofing we mean any roof that is pitched at less than 4 inches of rise in 12 inches of run or 4 12 pitch. 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.

One common method is to lay the edge metal under the eaves membrane and over the rake details concrete masonry roofing wrb flashing. Two ways to flash roof edges protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Most manufacturers specify at least a 4 12 roof pitch for installing them meaning for every foot the rafters extend out from the ridge beam they drop down 4 inches. The most recent of these documents the ansi spri ed1 design standard for edge systems used with low slope roofing systems which became ansi approved june 3 rd 2019 a designer is presented with tables a6 and a7 which provide nailer attachment fastener loads for buildings above and below 60 in height.

Attach drip edge along the edge of the roof with roofing cement. Edge metal specialty. Red indicates a warning line drains within six feet of the roof s edge or ladders that need guardrails. Meeting or exceeding astm standards black epdm roofs have been used for more than 50 years and white epdm roofs have been used for more than 30 years.

Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs. Pro tip for low sloped roofs photo by carl tremblay while asphalt shingle is a good roofing material it s not the best choice in all situations. 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. That with the slope as low as it was the doubled up drip edge made for enough of a ridge that the shingles sloped back a little forming a trough for water to accumulate in.

A low slope roof is one that has a slope of less than 3 in 12. The roofing safety zones osha has designated three work zones on low slope roofs with unprotected edges that are four feet or more above a lower level. If you don t place the drip edge properly.