What are shortened floor joists at the ends of floor openings called?
15 Cards in this Set
| In conventional framing, floor joists are usually placed ______. | 16″ on centre |
|---|---|
| Shortened floor joists at the end of floor opening are called _____ joists. | Tail joist |
| It is important that the floor joist layout permits the plywood sheets to fall directly on the _____ of the joists. | center |
What is the maximum depth for notching a joist?
35mm
Maximum depth of notch of any joist in any situation is 35mm.
Is it OK to notch a floor joist?
A: Floor joists occasionally need to be notched or drilled during construction, but you should take pre cautions not to weaken the structural strength of the framing member. First rule: Avoid notching a joist along the middle third of its length. However, drilling holes for wiring, etc.
What are the ends of the floor joists capped with?
4. Ends of floor joists are capped with a band joist, also called a rim joist, box header, or joist header.
What supports the inner ends of floor joists?
Girders
Girders are heavy beams that support the inner ends of the floor joists.
Can you notch the bottom of a floor joist?
Joist Notching Rules The maximum depth of a notch at the end of a joist (where it rests on a wall or beam) can’t exceed one-quarter of the joist depth. Maximum notch depth in the outer third of a joist is one-sixth of the joist depth. No notching in the middle third of a joist.
How do you fix a notched floor joist?
You can reinforce a notched joist that has not cracked by cutting two pieces of 3/4-inch plywood as wide as the joist depth and as long as the plywood sheet. Screwing a piece to the joist on each side offers moderate reinforcement. Stronger reinforcement is in order if the joist is sagging or has cracked.
Can you notch the end of an I joist?
Engineered I-Beam Rules You can never, ever, ever notch or bore through the top or bottom flange or chord. Drill large holes toward the center of I-beam joists, not toward the ends. Leave at least 1/4 in. (or the amount specified by the manufacturer) of web between the edge of the hole and the flange.
Where is the rim joist?
Rim joists are located at the top of your basement walls. They usually look like wooden squares going around the perimeter of your basement. The main purpose of a rim joist is to support the weight of the floor resting on the joists.