Design solutions for building code permitted low slope applications that cause ponding water.
Low slope roof design.
Recommended materials to use on low slope roofs.
Multiple layers of weatherproof membranes protect a building its residents and the property it houses.
There are a few design elements that will help building owners get the most from their roofing system.
Design professionals frequently specify the minimum code permitted slope with little if any consideration of the resultant valley slope created by the intersecting planes figure 1 ponding water is commonly observed at valley intersections for low slope roof and deck.
Specifically the code text typically reads.
Generally roofing types and roofing products are typically divided up into two primary categories steep slope roofing and low slope roofing.
The three main components of a low slope roof are the structural deck the thermal insulation and the membrane.
We discuss the following.
Another approach is to build a cupola or ventilated doghouse in the middle of the low slope roof an approach championed by joe lstiburek.
Coffman p e secb and thomas g.
Managing ponding water is essential to properly maintaining a roof.
Low slope roofing inspection design leak detection repair procedures.
The following information is a general overview of basic and accessory low slope roof components their major design factors functions and common failures.
Other vital parts of a low slope roof include the flashing and air retarders although these.
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.
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.
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.
If the upper edge of a low slope shed roof intersects a vertical wall the most logical approach in my opinion is to detail the roof as an unvented roof.
Definition of low slope roofing.
In combination with iko roof fast cap sheets it provides waterproofing properties and durability for low slope roofs.
This article defines low slope roofing and describes low slope roofing materials choices installations inspection defects roofing repairs and product sources.
Roof slope is a very important aspect and it is considered the primary factor in roof design.
Residential low slope roofing can generally be divided up into two broad categories.
What are low slope metal roofs.
A low slope asphalt roofing system is cost effective durable and reliable.
Building offsets are common and create intersecting planes that contribute to drainage issues for low slope applications.
