At Polyglass, we back our product offerings with expert consulting, knowledgable technical support, and unmatched customer service throughout your project. Our expert support services include roof design analysis, pre-bid budget assistance, technical services, and progress inspections throughout your project. In addition, our website offers extensive product information and educational resources, and our Polyschool course offerings offer even more detailed instruction on the best ways to install and use Polyglass products.
Archives: FAQs
How is modified bitumen installed?
Polyglass SBS and APP membranes are available in a variety of installation methods to best suit your application.
SBS installation methods:
- ADESO® Self-Adhered
- Heat-Welded
- Hot Mop
- Mechanically Attached
- Cold Applied
APP installation methods:
- ADESO® self-adhered
- Heat-welded or torch applied
What is the difference between APP and SBS membranes?
APP (Atactic Polypropylene) and SBS (Styrene-Butadiene-Styrene) refer to the type of substance that “modifies” the modified bitumen. In the case of an APP modified bitumen membrane, a durable plastic known as atactic polypropylene is added. In the case of SBS modified bitumen membranes, a synthetic rubber known as styrene-butadiene-styrene is added. In simple terms, you can think of APP modified bitumen as plastic asphalt and SBS modified bitumen as elastic asphalt.
How often must aluminum roof coatings be reapplied?
Polyglass’ aluminum coatings form a reflective, metallic shield over the base material. Depending on environmental conditions, aluminum roof coatings should last anywhere between three to five years.
What application methods are used for asphalt roof coatings?
Asphalt roof coatings may be applied in a variety of ways, including:
- Spray
- Roof brush
- Notched squeegee
- Roller
- Putty knife
- Pointed trowel
- Notched trowel
The exact application method(s) recommended will depend on the specific product.
What is the difference between fibered and non-fibered coatings?
A fibered roof coating is infused with fibers, such as fiberglass, to increase the strength and tear-resistance of a roof coating, albeit at the expensive of elasticity. A non-fibered roof coating does not contain fibers to reinforce its strength, but it offers greater elasticity once cured.