Glass Roofing Materials

Bituminous Roofing
from Johns Manville Corp.

Bituminous roofs are nonwoven webs composed of glass fibers oriented in a random pattern and bonded together with a modified urea formaldehyde resinous binder in a wet laid process. The sized glass fibers in the mats provide excellent mat strength and flexibility. Johns Manville offers an... [See More]

  • Material: Glass; Polyester Spunbond, Glass Mat
  • Types: Engineered
  • Application: Commercial; Industrial
Base Sheet -- GAFGLAS ®#75 Base Sheet
from GAF

Description. GAFGLAS ® #75 Base Sheet is a premium roofing base sheet constructed with a strong glass mat that is coated on both sides to assure a closed-sheet design to prevent asphalt bleed-through. The sealed sheet also serves as an effective flame retarder for the application of... [See More]

  • Material: Asphalt; Glass
  • Types: Engineered
  • Application: Commercial