Roof Width Load

Multiply the load per square foot by the total area of the roof.

Roof width load.

This video looks at roof load width rlw. So each lineal foot of wall must carry the loads imposed by a 1 foot wide strip in that 14 ft region. Roofs are under a lot of pressure. Rlw is used to calculate the sectional size of some roof members and supporting wall.

Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. This is the sixth video in the series on the timber framing code. Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center. The exterior wall and the headers within will carry all loads from the mid point of the house between the supporting walls to the outside of the house including the roof overhang.

Load limits on the roof of a building. Multiplied by 40 pounds per square foot equals 8 000 pounds. For heavy loads 2x4s can span up to 5. This number represents the total load that your roof must carry.

The distance in this case is 12 ft 2 ft 14 ft. If an example roof is 10 feet by 20 feet the total area is 200 square feet. Roof live loads need not be applied to the area covered by photovoltaic panels where the clear space between the panels and the roof surface is 24 inches 610 mm or less. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing.