Wood Flashcards
What does rough carpentry consist of?
Framing the floors, walls and roof of a structure
What does finished carpentry consist of?
Installing finished material including wood trim, shelving and handrails
What is considered lumber?
Processed wood sold that is less than 5” in smallest dimension
What is considered timber?
Member that is 5” or larger in the smallest dimension
What do floor systems consist of?
Joists covered with OSB and bears on sills, walls and girders supported by posts
What case would the floor system be placed on the sill?
If it is supported by concrete walls
What is required between the concrete wall and wood sill
Sill Seal - to prevent air infiltration
When are floor joists doubled?
Under walls running parallel to the joist
Why are joists blocked at specified intervals?
to prevent them rolling onto their sides and where pass over walls to prevent fire spread
Minimum dimension for wood joists
2x6
What is required at the end of a wood joist?
Joist header
joist header around the perimeter of the floor
rim joist
produce a superior quality floor system at prices similar to standard wood joists
Engineered I-Joists
Maximum allowable length for a single joist to span
60 feet
Opening requirements if over 4 ft wide
Double trimmers
