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 exceptionally comprehensive product portfolio. JM materials have strength, dimensional stability, puncture resistance and durability that are critical for roofing applications. We offer glass nonwovens and synthetic spunbond roofing membrane carriers, both thread-/grid-reinfor
| Johns Manville Corp. | |
|---|---|
| Product Category | Roofing Materials |
| Product Number | Bituminous Roofing |
| Application | Commercial; Industrial |
