Roof Design Header

Also see assumptions for table development.

Roof design header.

123 james cerone local building inspector ext. 773 0896 james hawkins building commissioner ext. Here we have a wood framed gable roof. Loads are contributed to the lower header by the roof upper walls and 2nd floor system.

The header is placed with its end or head facing the wall a practice that fortifies a wall s construction. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Make it the full width of the porch or slightly wider depending on your porch design. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

The architectural graphic standards lists the weight of an exterior 2 6 wall as 16 pounds per ft 2. Continuing on from part 3. Loading conditions are detailed below. So an 8 foot tall wall weighs 8 ft x 16 pounds ft 2 128 pounds per lineal foot.

Determine how high it must be to provide an adequate slope to the roof. 124 james slowinski electrical inspector ext. Now the word header refers to a beam like support in wood frame construction. The loads delivered to the header are.

Locate a position for a header or ledger board. Today that term has been adopted to the parts used in wood frame construction. Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables. Find the wall studs or roof trusses that will have to support the ledger.

Let s consider a basic gable wood roof framing design.