Wall Framing Systems Part B

Question 1

What is the minimum end bearing for a lintel?

Answer 1

1 1/2” (38mm)

Question 2

The ceiling height is specified as 97 1/8”. What length of stud is needed?

Answer 2

92 5/8”

Question 3

If there are irregularities in the floor frame, how far may the wall plates overhang the floor?

Answer 3

1/3 the width of the plate

Question 4

Why is it desirable to have all wall studs occur directly over the floor joist?

Answer 4

This provides better load transfer and minimizes problems with plumbing and ductwork

Question 5

What is the first step in laying out rough openings?

Answer 5

Marking the centerline

Question 6

A window rough opening is 712 mm (28”) wide. What is the cutting length of the lintel?

Answer 6

788 mm (31”)

Question 7

What determines the length of a trimmer?

Answer 7

From the sole plate to the underside of the lintel

Question 8

What determines the length of a rough sill?

Answer 8

Same measurement as rough opening

Question 9

What are 2 alternatives to using an L post where a partition intersects an exterior wall?

Answer 9

U-Shaped

Ladder

Question 10

What is the nailing pattern for applying wall sheathing?

Answer 10

150mm (6”) along edges and every 300mm (12”) along intermediate supports

Question 11

If a non load bearing wall runs parallel to the floor joist, how must it be supported?

Answer 11

Directly on a joist, or be supported by blocking between the joists

Question 12

If a stud in a load bearing wall must be notched, how much solid lumber must be left?

Answer 12

At least 2/3 of the width of the stud must undamaged

Question 13

Describe a girth?

Answer 13

is blocking placed between the studs to stiffen the wall