The history of roofing underlayments is a long one, a progression of needs and innovations that like the products themselves, have remained under the surface
The materials used for dampproofing of walls shall consist of bitumen, acrylic modified asphalt and surface bonding mortar that complies with ASTM C 887.
From technology and durability to worker safety and environmental consciousness, asphalt roofing systems advanced significantly over the past three decades
July 15, 2016
Over the last three to four decades, asphalt roofing systems have made great advances, from technology and durability to worker safety and environmental consciousness.