How long does GAF Liberty last?
up to 20 years
Liberty™ SBS self-adhering cap sheet is a granule-surfaced roofing membrane designed to be used with liberty™ SBS self-adhering base/ply or liberty™ ma mechanically-attached base sheet to provide long-lasting protection for the low-slope areas of your property. System guarantees are available for up to 20 years.
What is cap sheet roofing?
Cap sheet roofs have layers of material glued together with hot asphalt, with a roll of mineral surface glued with asphalt to the top instead of gravel. Their use has decreased with the use of more modern, effective materials.
Is base sheet waterproof?
A low-slope roof will be covered with a minimum of two sheets: a base sheet and a cap sheet. The base sheet provides waterproofing and a top surface that can bond with the cap sheet.
What is SBS self adhering roofing?
LIBERTY™ SBS Self-Adhering Base/Ply Sheet is a self-adhering modified bitumen roofing membrane intended to be used as either a base sheet for LIBERTY™ SBS Self-Adhering Cap Sheet or as a ply sheet in modified bitumen roofing systems, providing long-lasting protection on low-slope roofs.
Do you need underlayment for peel and stick roofing?
Peel and stick is significantly more efficient in minimizing the risk of water infiltration and damage. Depending on where you live, the building code might require you to install peel and stick underlayment specifically.
Does roll roofing need underlayment?
Roll roofing does not require underlayment, but it’s well worth the added effort and cost to install. Roof underlayment is an extra layer of protection against the rain, snow and other things that lead to excessive water.
What does SBS stand for in roofing?
What is SBS modified bitumen roofing? Styrene-Butadiene-Styrene (SBS) describes a family of synthetic rubber derived from styrene and butadiene.
What is SBS cap sheet?
Firestone SBS Cap is a modified bitumen membrane featuring a blend of SBS (Styrene-Butadiene-Styrene) rubber polymer and high quality asphalt reinforced with a 190 g/m² (3.89 lb/100 ft²) strong non-woven polyester mat enhanced with continuous fiber glass yarns.