Floor Framing 1
It is best practice to have the floor framed before -------------------------------.
Back filling
Basements should be backfilled using --------------------------, not the dirt that was originally dug out.
2B stone
What are the two most common on center dimensions when building floor frames?
16" & 24"
What is a crown AND what do you do with it?
a bow and it goes up
Give two advantages of using an open web floor truss.
span long distances and there is space for running plumbing and electric
A ----------------- -------------------- should be installed around the perimeter of the building before backfilling, this allows water to drain away from the building.
French drain, footer drain, or perimeter drain
In the type of framing where the studs went from the basement walls to the top of the second story, what was installed in the stud cavity to slow a fire from spreading?
Fire stops
What is a girder?
support beam
If you must drill a hole in a floor joist for installing plumbing or electric, where should this hole be drilled?
in the vertical middle
The first thing you do to a floor joist after cutting it to length, but before nailing it in place
crown it
List the three types of framing (remember; one is commonly used today for houses, one is not used today but you will see it in older houses during remodeling, and one was commonly used when building old barns
Platform, balloon, and post and beam
When backfilling, it is best practice to --------------------------------- the walls from the inside to prevent cracking
Brace
What is the name of the fastener that holds the board down on the foundation?
anchor bolt
What can you do when building a floor frame to make it stronger and help prevent a squeaky floor?
glue it
the name of the board that goes around the perimeter of the floor joists and nails into the floor joists
rim joist
There are two types of wooden bridging. What are these two types?
cross and solid bridging
What is the name of the board that attaches to the foundation
sill board
What type of wood should the board be that attaches to the foundation and what is the name of the board?
treated, sill board
how many pieces of plywood would be required to cover the floor of a building that measures 30'X40' if there is no scrap?
38
if a floor joist butts into a girder, how would you attach the floor joist to the girder?
joist hanger
What is the name of the material that sits directly on top of the basement walls to prevent air from entering?
sill sealer
What would the maximum recommended hole diameter be if the floor joist was a 2X12 (2X12’s are 11 ¼” wide)
2.8125 or 2 13/16"
how many floor joists would be required for a floor that measures 36'x52' with no openings or trimmers required? The joists are 16" O.C.
40
how many floor joists would be required for a floor that measures 28'x40 with no openings or trimmers required. The joists are 24" O.C.
21
what is the spacing required in between sheets of subfloor?
1/8"