Moving Roof Joists

Sixeighteen is spot on.

Moving roof joists. Room in roof trusses can be craned into place to form the shell of a ready made new loft room with the insulation placed above the rafters for maximum thermal efficiency. Although 2 inch by 6 inch lumber is used most often in ceiling construction to support 5 foot by 8 foot sheetrock the material commonly used for ceilings other sizes of lumber may be used such as 2 inch by 4 inch and 2 inch by 8 inch lumber. While they look the same you probably didn t notice the subtle differences. The size of the ceiling joist also is accounted for in joist spacing.

Stately attractive and open. Desperately enough in fact to consider making the major step of pulling down ceiling drywall to expose joists above. The further up the rafters you go the more thrust the hybrid roof structure is going to create on the walls. The ceiling joists hold your walls together by resisting thrust generated by the rafters.

When you raise up the ceiling joists you are creating a structure which acts something like a truss with extended legs. When setting roof trusses the first step is staging the individual trusses on the walls. While prefab trusses are a serious shortcut to a stronger roof they don t allow the same uninterrupted interior space as their older cousins the common rafters. These joists are below the beam and are tied to it by 2x4.

We were told that the joists are not providing structural support and were merely for affixing the flat ceiling. I would like to move the joists up 12 to create better head room i m 6 3 so the shower in the short ceiling bothers me. I am thinking that if i move the joists one at a time by cutting them loose from the top plate and the roof rafters and then shortening them the appropriate length they will move up nicely without affecting the structure at all. Your parents roof rafters were probably made from 2x8 s and could have been 2x10 s or.

Most common attic trusses for homes and garages are made with 2x4 s. The ceiling joist 2x4s are running at right angles to the beam and rafters across the 12ft span of the room. Let s compare common roof trusses with the roof framing materials that were used in your parent s house. The exposed beam ceiling look is one that many owners of conventional flat ceilings desperately want.

In order to gain space while still supporting the roof adequately you will need to build a short support or pony wall to run along each side of your attic before removing the the webbing braces in your trusses. How to stop roof trusses from moving.