Roof Rating System

There may be a number rating 1 10 1 100 or a naming standard good fair poor etc.

Roof rating system.

The cool roof rating council is a not for profit organization that validates the reflective and emissive properties of cool roof products. Numbers can also be combined with a color rating as a visual indicator. A class a roof is ideal for fire protection and may be required by your building codes depending on your place of residence. Class a class b class c or unrated.

There are experienced inspection companies system suppliers and organizations that provide opinions on what ratings should be used for roofing inspections. A standard fire test is used to determine the fire rating of a roof covering. These ratings are presented below. Astm e108 defines fire test methods for roof coverings.

The cool roof rating council accepts test reports from approved testing laboratories and then compiles the information in an easily accessed database. A new rating tool roofpoint is designed to assess energy efficiency environmental impact longevity and other complex roofing issues that a comprehensive whole building system like leed may overlook. We have collected reviews on more than 30 different brands of roofing shingles. In cr s roofing tests we found that some shingles are more than twice as strong as others that.

It is designed to evaluate both new and replacement roofs for commercial and institutional low slope buildings says craig silvertooth executive director of ceir. One principal aim of the guideline is addressing the need to certify existing buildings. This test evaluates the following performance criteria. The shingles with the highest level of satisfaction appear first lower levels come later in the list.

As you research shingles check our comprehensive ratings to see what the best roofing lines are. How are roofs rated. Fire ratings may pertain to resistance to fire from above the roof system the familiar class a b or c ratings or fire exposure from the building interior the underside of the roof deck. The cool roof rating council was created in 1998 to develop accurate and credible methods for evaluating and labeling the solar reflectance and thermal emittance radiative properties of roofing products and to disseminate the information to all interested parties.

1 flame penetration through the roof covering into the attic space 2 flame spread over the surface of the roof covering and 3 the propensity for the roof covering to become dislodged and generate embers. In short roofpoint is a voluntary guideline and roof rating system developed by ceir.