Acrylic– A coating derived from acrylic acid that can be applied to many commercial roofing systems for protection.
Bitumen – An asphalt-based material consisting of natural hydrocarbons and good for waterproofing.
Built-up – A flat or slightly sloped roof consisting of multiple layers of coated roofing felts and asphalt, pinch, or coal tar and finished with gravel or slag.
EPDM – (Ethylene Propylene Diene Monomer) A synthetic rubber used to waterproof commercial roofing.
Fiberglass – A reinforced material composed of glass fibers embedded in resin.
Flashing – A strip of metal used to reinforce and seal junctions to prevent water damage.
Mildew – Mold or fungi that can grow and spread across your commercial roofing system and cause damage.
Modified Bitumen – Bitumen reinforced with polyester or fiberglass.
NRCA – The National Roofing Contractors Association
Self-performing – DDP Roofing is a self-performing roofing company that does all of its own work without the hiring of sub-contractors.
Single-ply – A commercial roofing system consisting of a single layer of flexible membrane.
Standing Seam – A commercial roofing system that features edges that have been turned up to create a seam that protects against water penetration.
Sub-contractor – An individual or company hired by a primary contractor to perform specific work for a project.
Thermoplastic – An elastic and flexible polymer that is soft when heated and hard when cooled.
TPO – (Thermoplastic Polyolefin) A thermoplastic membrane of rubber-like material that can be recycled and reprocessed.