complete questions and well detailed answers
*The distance from one framing member/truss to the next framing
OC (On Center) member/truss
*Common truss is 24" or 2'
Top chord
Bottom
Roof Truss Components
Cord
Web
Gusset
Made of fiberglass or asphalt-saturated roofing material
embedded with mineral granules.
T- Lock Shingle
Different weights available/Weight is per square (100SF) of shingles
Range from 200lb to 240lb
Packaged 3 bundles per
3- Tab Composition Shingle
square
*Can be 4 bundles per square
Referred to as light to medium weight shingles
AKA Architectural
Shingles Most
common
Laminated Composition Shingle
Give the "layered" look of a wood
roof Range from 240lb to 500lb
"Come in 3 or 4 or more bundles
per square" Rated medium to
heavy weight
By weight per square
How are shingles rated?
(100SF) Purchased in
Bundles
Wood
Thick
Wood Shake Handma
de Not