Roofing Used Under Green Roofs

A metal roof under the same conditions may stay more than 50 f cooler than an asphalt roof which saves both energy and money.

Roofing used under green roofs.

This type of underlayment is critical to a quality roof installation. Once again this is used on cold roof construction. The initial expense of green rooftops often turns away prospective clients. The many style options of metal roofs metal roofing comes in numerous styles that mimic modern architectural shingles unique clay tiles traditional standing seams metal roofs with panels that run vertically up the.

The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support. The most common design approach over a metal deck is to build a conventional loose laid roof assembly under the vegetated cover. And to ensure the appropriate green roof assembly relative to the membrane chosen is provided it is important to understand how they work and how they are installed. There are several types of felt underlayment including both organic reinforced and inorganic reinforced.

Reflective or cool roofs are materials and coatings used to help keep a building cooler by reflecting solar energy away from the building. By green roofs i am assuming you mean vegetated roofs as opposed to reflective roofs. There are many types of waterproofing membrane. The term is used for both so i will talk a little about both.

Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. It serves as a moisture barrier as well as a slip sheet. The rigid insulation material is typically extruded polystyrene xps which is resistant to moisture absorption and has been used in green roof applications for decades. Below are explanations of the leading roofing membrane systems that have been installed under green roofs.

When hot roof construction is done a roof with no ventilation a breathable underlayment is recommended. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. Make sure the product is designed to be used under metal.