Manufacturers choose Johns Manville glass mat to support increased tear strength in their asphalt shingles. JM glass mat is dimensionally stable so it will not change shape due to temperature or humidity. JM's glass mat may be hidden from view but its effect is apparent in shingle performance.
|Americas||Product Selector: Dura-Glass®|
|Dura-Glass® 7521||90||Dura-Glass® 75 series mats are nonwoven webs composed of glass fibers oriented in a random pattern and bonded together with a modified urea formaldehyde binder in a wet laid process. The sized glass fibers in the 75 series mats provide excellent mat strength and flexibility.|
|Evalith® DH 80||80||urea formaldehyde resin and polymer dispersion|
|Evalith® DH 100||100||urea formaldehyde resin and polymer dispersion|
|Evalith® DH 110/4||110||urea formaldehyde resin and polymer dispersion|