Roofing Glossary

Roofing Glossary

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There are 4 names in this directory beginning with the letter L.
Laminated shingles
Strip shingles containing more than one layer of tabs to create extra thickness. Also called dimensional or architectural shingles.

Lap cement
An asphalt-based cement used to adhere overlapping plies of roll roofing.

Louver
A slanted opening for ventilation.

Low slope application
Method of installing asphalt shingles on roof slopes between two and four inches per foot.

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David K. of North Potomac, M

I had all my 18 windows replaced over the last summer. I evaluated two contractors and both gave excellent sales presentations and the prices were competitive. I decided to use Crystal Exteriors because I felt the owner of Crystal Exteriors, Edgar Li, was very professional and willing to work with me, in terms of pricing and other issues. The work was done in a professional manner. After the windows were replaced, Edgar himself stopped by few times to make sure that the windows were satisfactory.

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