Roofing Glossary

Roofing Glossary

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There are 19 names in this directory beginning with the letter S.
Saturant
Asphalt used to impregnate an organic felt base material.

Saturated felt
An asphalt-impregnated felt used as an underlayment between the deck and the roofing material.

Self-sealing cement
A thermal-sealing tab cement built into the shingle to firmly cement the shingles together automatically after they have been applied properly and exposed to warm sun temperatures. In warm seasons, the seal will be complete in a matter of days. In colder seasons, sealing time depends on the temperature and amount of direct sunlight hitting the shingles. Hand sealing with cement should be done to ensure sealing in winter.

Self-sealing shingles
Shingles containing factory-applied strips or spots of self-sealing adhesive.

Self-sealing strip or spot
Factory-applied adhesive that bonds shingle courses together when exposed to the heat of the sun after application.

Selvage
That portion of roll roofing overlapped by the succeeding course to obtain double coverage.

Shading
Slight differences in shingle color that may occur as a result of normal manufacturing operations.

Sheathing
Exterior-grade boards used as a roof deck material.

Shed roof
A roof containing only one sloping plane. Has no hips, ridges, valleys or gables.

Single coverage
Asphalt roofing that provides one layer of roofing material over the deck.

Slope
The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in feet.

Smooth-surfaced roofing
Roll roofing that is covered with ground talc or mica instead of granules (coated).

Soil stack
A vent pipe that penetrates the roof.

Span
The horizontal distance from eaves to eaves.

Specialty eaves flashing membrane
A self-adhering, waterproofing shingle underlayment designed to protect against water infiltration due to ice dams or wind-driven rain.

Square-tab shingles
Shingles on which tabs are all the same size and exposure.

Steep-slope application (Mansard)
Method of installing asphalt shingles on roof slopes greater than 21 inches per foot.

Step flashing
Flashing application method used where a vertical surface meets a sloping roof plane.

Strip shingles
A single-layer shingle commonly known as a three-tab shingle because it has three tabs.

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Amanda S. of Great Falls, Fairfax County, VA 22066

(Found on CheckBook.org) I'm pleased to describe our very positive experience with Crystal Exteriors. We contracted with Crystal Exteriors to do a multipart renovation of our home in Great Falls, VA, including a new roof, new front and side doors, and a complete resealing/caulking of all of our windows. Crystal and its owner Edgar Li impressed us as being unusually easy to communicate with and very meticulous in keeping us informed as to intended schedule and progress. Edgar's crews were extremely hard working and completed high quality work very close to the promised schedule. Edgar also gave us very good advice as to choosing materials and finishes that were appropriate but also economical while taking advantage of new innovations and products. The new doors are perfectly hung and function perfectly. The new roof is beautiful and the new skylights are a real upgrade over the old ones.As in any project, a few items came up that needed to be addressed ( for example a lock incorrectly shipped from the factory) and Edgar and the team addressed them promptly. Cleanup was done well and the team did not leave a mess. We would unhesitatingly hire Crystal Exteriors again.

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