Leed for new construction specifies an sri of 78 for cool roofs.
Leed rating system metal roof colors.
Energy efficient radiant barrier reflective metal roofing and siding.
Leed nc metal building credit guide 1.
For leed v4 general information consult the environmental product declaration life cycle assessment and cool roof sections below.
The index ranges from 0 to 100 with a standard black surface having an initial sri of 0 and a standard white surface having an initial sri of 100.
In part 1 retrofit single ply roof systems.
Leed certification standards minimum solar reflective index.
If you are looking for general leed information for the purposes of guidance please review the chart below.
Sri measures the roof s ability to reject solar heat defined such that a standard black reflectance 0 05 emittance 0 90 is 0 and a standard white reflectance 0 80 emittance 0 90 is 100.
Cool metal roofing is a part of an interdependent system of exterior roofing surfaces substrates underlayment configurations ventilation and insulation ir colors with a minimum initial solar reflectivity value of 0 25.
All bridger steel 29 gauge colors are cool roof certified except for black galvalume and galvanized.
Voluntary labeling programs and rating systems such as leed and energy star are being used more frequently.
Drexel metals uses recycled metal our roofing components which are themselves recyclable at the end of their life.
The leed program can result in economic and social incentives to building environmentally sound buildings and metal roofing may offer a path to earning those incentives.
A green roof is an ideal way to earn leed credits because it can be something your occupants can take advantage of and use.
An assessment of wind resistance we provided information about the following.
Recycled content of berridge metal berridge metal products have a high recycled content and are 100 recyclable at the end of their lifespan.
For leed v3 general information see our leed v3 chart.
Green roofs are another way to turn your roof into a cool roof and lower the heat island effect and can also promote biodiversity for the surrounding environment.
Drexel also offers state of the art photovoltaic laminates that can be applied to your roof s surface to capture solar energy to reduce your electric bills.
Mcelroy metal insulated wall and roof systems can help meet leed criteria for composite sound transmission class stc ratings.
Four 4 methods to re cover a metal panel roof the many options for attaching a single ply system to a metal panel roof an example calculation for wind uplift design pressures and appropriate fastener patterns that provide the necessary resistance capacity industry.
To achieve the energy star label a low slope roof pitch of less than 2 12 must achieve an initial reflectivity rating of 65.
