Here we have a wood framed gable roof.
Attic support beams.
So if there s an attic rather than living space above the bearing wall you want to remove.
If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.
Once again a 2 by 4 inch piece of lumber is placed between the trusses and parallel to the ceiling joists.
A great deal depends on the pitch of the roof.
The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.
Drive nails through the floor directly in front of the trimmers and then go beneath the floor and look for the nail shanks to determine the exact trimmer location.
Continuing on from part 3.
The other is just used to support the trusses.
In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side.
This is where a high pitched roof is necessary.
Too often builders gang together 2 inch dimension lumber to support roof and floor loads without considering other options.
Let s consider a basic gable wood roof framing design.
Beams need solid support all the way down to another beam or the house foundation.
A higher pitched roof would be better for extra living space than a lower pitched roof.
Sistering is the process of adding a new joist next to each existing joist.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.