2x6 On Flat In Attic

Live load is weight of furniture wind snow and more.

2x6 on flat in attic.

1 psf lb f ft 2 47 88 n m 2. Dead load weight of structure and fixed loads 15 lbs ft 2. In this video i look at how this has happened and the way to resolve t. Area span on the flat please enter area span on the flat in foot.

Input the rafter span on the flat eave overhang and pitch of the roof. Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. The reason for this is that flat or shallow roofs withstand much more abuse and loads than steeper roofs making wider shed roof rafters a necessity. Many shingle manufacturers recommend no less than 2 12 when installing.

The recently completed 16 by 24 foot building has 2 4 walls and a roof with a 2 10 ridge and 2 6 rafters. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. Nonparallel ceiling joist designs require additional support construction in the ceiling. Many roof material manufacturers have minimum pitch ratings for their products.

Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. However you could cut the correct thickness plywood and fill in the side of the i joist next to the 2x6. Click the button to calculate the stock size needed for this job. This calculator is to be used as an estimating tool only.

This would create a flat surface to adhere and nail on the double tall 2x6 joist. 1 ft 0 3048 m. 2 are indicated below.