UPDATE!!!2025/2026|GUARANTEED
OC (On Center) - ANSWER *The distance from one framing member/truss to the next
framing member/truss
*Common truss is 24" or 2'
Roof Truss Components - ANSWER Top chord
Bottom Cord
Web
Gusset
T- Lock Shingle - ANSWER Made of fiberglass or asphalt-saturated roofing material
embedded with mineral granules.
Different weights available/Weight is per square (100SF) of shingles
3- Tab Composition Shingle - ANSWER Range from 200lb to 240lb
Packaged 3 bundles per square
*Can be 4 bundles per square
Referred to as light to medium weight shingles
Laminated Composition Shingle - ANSWER AKA Architectural Shingles
Most common
1
, 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
How are shingles rated? - ANSWER By weight per square (100SF)
Purchased in Bundles
Wood Shake - ANSWER Wood
Thick
Handmade
Not flat
*4 bundles per square
Wood Shingle - ANSWER Wood
Machine made/sawed
*4 bundles per square
Spaced Sheathing - ANSWER Normally found beneath wood shakes and shingles.
Usually made of 1"x4" or 1"x6" softwood boards.
Wood needs more ventilation.
Non-masonry Products - ANSWER Include: wood, vinyl, steel, aluminum, vinyl clad,
and hardboard siding
Siding products are usually measured by the SF, and sold by the square (100SF)
2
OC (On Center) - ANSWER *The distance from one framing member/truss to the next
framing member/truss
*Common truss is 24" or 2'
Roof Truss Components - ANSWER Top chord
Bottom Cord
Web
Gusset
T- Lock Shingle - ANSWER Made of fiberglass or asphalt-saturated roofing material
embedded with mineral granules.
Different weights available/Weight is per square (100SF) of shingles
3- Tab Composition Shingle - ANSWER Range from 200lb to 240lb
Packaged 3 bundles per square
*Can be 4 bundles per square
Referred to as light to medium weight shingles
Laminated Composition Shingle - ANSWER AKA Architectural Shingles
Most common
1
, 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
How are shingles rated? - ANSWER By weight per square (100SF)
Purchased in Bundles
Wood Shake - ANSWER Wood
Thick
Handmade
Not flat
*4 bundles per square
Wood Shingle - ANSWER Wood
Machine made/sawed
*4 bundles per square
Spaced Sheathing - ANSWER Normally found beneath wood shakes and shingles.
Usually made of 1"x4" or 1"x6" softwood boards.
Wood needs more ventilation.
Non-masonry Products - ANSWER Include: wood, vinyl, steel, aluminum, vinyl clad,
and hardboard siding
Siding products are usually measured by the SF, and sold by the square (100SF)
2
