Roof Rating System

Roofing systems must meet or exceed building codes and insurance requirements.

Roof rating system.

A class a roof is ideal for fire protection and may be required by your building codes depending on your place of residence. 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. One principal aim of the guideline is addressing the need to certify existing buildings. Class a class b class c or unrated.

These ratings are presented below. The cool roof rating council accepts test reports from approved testing laboratories and then compiles the information in an easily accessed database. 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. There are experienced inspection companies system suppliers and organizations that provide opinions on what ratings should be used for roofing inspections.

How are roofs rated. A standard fire test is used to determine the fire rating of a roof covering. Your roof can have one of four fire ratings classifications. There may be a number rating 1 10 1 100 or a naming standard good fair poor etc.

These tests may be conducted at ul inc fm global or any other certified testing laboratory. The cool roof rating council is a not for profit organization that validates the reflective and emissive properties of cool roof products. In short roofpoint is a voluntary guideline and roof rating system developed by ceir. Astm e108 defines fire test methods for roof coverings.

Numbers can also be combined with a color rating as a visual indicator. 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. In cr s roofing tests we found that some shingles are more than twice as strong as others that. This test evaluates the following performance criteria.

We have collected reviews on more than 30 different brands of roofing shingles. The shingles with the highest level of satisfaction appear first lower levels come later in the list.