Every Owens Corning shingle line features :
FiberglassĀ® mat that adds dimensional
rigidity, weather protection, greater fire resistance and longer
life. Weathering-grade asphalt that holds the granules on
the shingles and protects the roof from water. Colourful mineral
granules that help reflect the sun's rays while adding beauty
and style to the roof. Heat-activated adhesive strip that
bonds shingles into a single, watertight unit. Class A Fire
Rating (under US fire classification standards), the highest
available for residential applications. Wind Resistance Rating for winds and gusts up to 180kph. Limited product performance warranties ranging from 20 years to life time, depending on shingles series.