Sizing Hoof Rafters

Select the smallest dimension rafter that is able to span the roof as described below.

Building location is: Ottawa, Ontario, specified roof snow load is 36 lbs/ft;(1.72 kPa). Roof slope is 1 in 3. Rafter span is 15'-6" (4.7 m).

Commercial designation and grade specified is SPF No. 2 or better

Shingle roofing to be used.

Lower ends of the rafter are restrained.

Selection

Use Table 26.

Acceptable rafters include:

2" x 8" (38 x 184 mm) at 12" o.c. (300 mm o.c.)

2" x 10" (38 x 235 mm) at 24" o.c. (600 mm o.c.)

SIZING ROOF JOISTS 1

Select the roof joists thai ice able to span the roof as described below.

Conditions

Building location is: Ottawa, Ontario.

Specified roof snow load is 36 lbs/ft (1.72 kPa).

Roof slope Is 1 in 3.

Commercial designation and grade specified is SPF No. 2 or better

Shingle roofing to be used.

Lower ends of tho roof joists are restrained.

Acceptable roof joists include:

2" xlO" 138 x 235 mrrij at 16" o.c. (400 mm ox.)

2" x 12" (38 x 286 mmi at 24" o.c. (600 mm o.c.)

A Course In Wood Turning

A Course In Wood Turning

Ever wondered what wood turning is all about? Here are some invaluable information on how to make beautiful items out of wood! That one little strategy from A Course In Wood Turning that I implemented not only worked, but the results were completely astonishing. I had never seen anything like it! Now, keep in mind that I had tried a lot of other products up until this point. You name it, I probably tried it! That’s how desperate I was to improve my skills with wood turning.

Get My Free Ebook


Post a comment