Glossary Of Roofing Terminology

The highest fire resistance rating for roofing as per astm e 108 or ulc s107.

Glossary of roofing terminology.

Decking is the foundation of your roof. Browse our roofing glossary to familiarize yourself with the meanings of commonly used residential roofing construction terms. Also called mastic blackjack roof tar bull. Let s explain what these roofing terms actually mean.

Asphalt an organic bituminous compound used in the manufacturing of composition shingles. A layer of viscous asphalt applied to the base material into which granules or other surfacing is embedded. A to z roofing terminology and most used terms. Indicates roofing is able to withstand severe exposure to fire originating from sources outside the building.

It may be found in natural deposits or may be a refined product. All roofs have a deck eaves and ridges. Rooftop fungus that can leave dark stains on roofing. Mats the general term for the base material of shingles and certain rolled products.

A line made on the roof by snapping a taut string or cord dusted with chalk. A row of shingles or roll roofing running the length of the roof. Decking e a ves ridges valleys ventilation. The asphalt roofing manufacturers association a trade association for north american manufacturers of asphalt roofing.

Asphalt roofing cement used to bond roofing materials also known as flashing cement or mastic astm american society for testing of materials. The open area above the ceiling and under the roof deck of a steep sloped roof. Asphalt roofing manufacturers association is an. A shingle manufactured by coating a reinforcing material felt or fibrous glass mat with asphalt and having mineral granules on the side exposed to the weather.

Asphalt based sealant material meeting astm d4586 type i or ii. Glossary of roofing terms. Modified bitumen rolled roofing membrane with polymer modified asphalt and either polyester or fiberglass reinforcement. A type of roof discoloration caused by algae.

Most roofs have valleys too. Used for alignment purposes. 2 one layer of a series of materials applied to a surface e g a five course wall flashing is composed of three applications of roof cement with one ply of felt or fabric sandwiched between each layer of roof cement. It is a substance classed as a pitch.

1 the term used for each row of shingles of roofing material that forms the roofing waterproofing or flashing system. Used to seal and adhere roofing materials. The deck is the base that rests against the bones of your attic to cover the rafters and support the weight of the roofing materials. The surface installed over the supporting framing members to which a roofing material is applied.

Parts of a roof.