Does anyone know the difference between a modified bitumen roof to a EPDM roof? I need to replace or maybe put a new layer on a brownstone in Carroll Gardens where I will be putting 2 HVAC package ...
DENVER--(BUSINESS WIRE)--Johns Manville, a Berkshire Hathaway company with over three decades of experience producing modified bitumen, announced today two new products for bituminous roofing systems ...
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