2x4 Or 2x6 For Skillion Roof

Dead load weight of structure and fixed loads 15 lbs ft 2.

2x4 or 2x6 for skillion roof. Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. Just enter the dimensions of the roof rise and run to get started. 1 ft 0 3048 m.

If i tie into a 6 12 pitch roof with 2x6 s. When a house is being built the most common method in new england is stick framing which is using pre cut machine milled wood as the main support for the house. Live load is weight of furniture wind snow and more. If you have a simple gable shed roof then using 2 4 rafters makes more sense unless you have a very large shed.

Although there is not one standard rafter spacing measurement many builders follow standard increments for simplicity. 2 are indicated below. For roofs that will experience heavy snow or wind and will span the same distance use 2 6 rafters. For roofs that won t experience heavy snow loads a gable roof can span up to 22 with 2 4 rafters.

If you look at the rafter span chart you ll notice that 2x4s can be used for rafters on spans up to 11. This type of construction has two main types. This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications. Will i be able to span a concrete slab of 11 6.

1 psf lb f ft 2 47 88 n m 2. This video shows how to scribe the position of the birdsmouths for a skillion roof. Calculations determine the maximum spacing based on the material used rafter size and load the roof needs to hold so that the roof is safe and meets all building codes. Two by four construction is by far the most common and is based on the ubiquitous 2x4.

I will be setting 4x4 post every 6 with 2 2x6 s with 1 2 osb sandwiched between them as the form to set on top of post. The pitch and span of your roof will dictate how long of a rafter you ll need use maximum span calculator to help you find your rafter size.