Low Slope Roof Details

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.

Low slope roof details.

Residential low slope roofing can generally be divided up into two broad categories. Generic valley treatment details for metal panel roofs for low slope with and without substrates are included in the mbma metal roofing systems design manual chapter 12 metal roof details. Can metal roofing be used on a low slope pitch roof. As in all construction work paying attention to the little details can make all the difference between a long lasting trouble free project and one that results in callbacks and early failure never a good option with a new england roof.

Just like any other roofing system low slope roof designs will have several effects on the overall construction of the building including the interior volume the style and design of the house the drainage system and the material used for covering. Finding the right products for your low slope roof. Standing seam metal roofs can go down to 3 12 but anything below that means that means using some type of membrane a soldered connection or something that is 100 percent. A low slope roof design typically has a pitch of between 2 12 and 4 12.

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. Sunday august 5 2018. 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. Low slope metal roofs provide years of low cost low maintenance performance.

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. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. Roof penetrations should be kept to a minimum and should be located within the flat of the panel where possible as opposed to near seams. Any roof with a slope under 4 12 is considered low slope.

Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs. Low slope metal roofs require less material which reduces the overall load on the building s structure. 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 because of the shallow height of the undulating. In either case find a professional roofing contractor experienced with low slope roofs and these specific products.

What are low slope metal roofs.