Glossary of Roofing Terms
At Century Roofing Limited, we hope to educate our homeowners on any terms undefined. We’ve compiled a handy list of some of the most common roofing terms so that you can understand every step of the roofing process.
Back surfacingFine, granular material added to the backs of shingles to keep them from sticking together.
BallastA heavy material that is used as an anchor to hold roof membranes in place.
Base flashingRoof membrane material that protects the joints between the roof and adjoining walls, or other vertical surfaces, from exposure to water and weather.
Base plyThe lowest ply of roofing material in the roofing system.
Base sheetAsphalt-coated felt that is used as the first ply in certain roof systems.
BattenThin strips of wood used to provide a fixed point to which other roofing materials, like shingles or tiles, can be attached.
BitumenA naturally occurring black viscous material made up of decomposed organic materials and hydrocarbons that is used for roof surfacing.
Built-up roof membraneA multi-layered roof membrane made up of alternating layers of felts, fabrics or mats and bitumen.
Butt flashingThe butt flashing is a metal strip used to keep water from seeping into the upper edges of the membrane base flashing, wall flashing or primary flashing.
ButylA rubber-like material that is used as a sealant or adhesive.
Butyl tapeA preformed sealant tape that is used to close joints and seams.
What are people saying about
Century Roofing will ensure that each client is happy with their new roofing and/or siding project. We encourage our clients to provide us with feedback on their projects.
Here are some kind works that some of our clients have to say about working with our team.
- Krista Kellock
We had a fantastic experience with Century Roofing. They took care of all our insurance work after a storm. Any... read more12/27/2017
- Brick James
Century Roofing did a fantastic job at a very reasonable price. I am very happy that I found them for... read more9/11/2018Martin Engeler
Excellent professional advice, prompt and solid workWe had three quotes done for re-roofing our home. Bill’s quote was not just... read more7/21/2017
- Danielle Miller
Completely satisfied with their work and cost. We used Century Roofing for another home of ours and were very pleased.... read more9/17/2018Marco Phillips
We experienced a leak in our roof and then we contacted Century Roofing for roof repairs. The staff at Century... read more11/03/2018