Cutting Trusses For Attic Stairs

This would require cutting some of the ceiling joist.

Cutting trusses for attic stairs.

This is done to hold the bottom chord from pushing the wall out. Before i do can anyone help me answer the following questions. Never cut any structural member of a truss. Home owners sometimes will cut trusses to make more storage space in the attic or to do other modifications or remodeling.

Head off the truss to the others with double 2x10 as normally done for the floor load and sheeth the floor. Without the continuous bottom chord you will have two 1 2 trusses though they wouldn t be trusses just triangles. Don t modify cut wood trusses. I have never built a staircase to attic trusses only drop down stairs but i am planning on leaving one truss out and doubling the ones to ether side to create a 4 opening.

Trusses span out to out not out to an inside wall unless engineered that way. I wouldn t cut any trusses especially the bottom chord under tension holding the outside walls from spreading and the truss together. Looking to take advantage of some open space in our attic and want to install an attic ladder. The building code irc r802 10 4.

Cutting roof trusses is possible but a structural engineer must design the plan for the truss modification to prevent roof collapse. If you live in a house with engineered manufactured trusses then don t mess with them. Furnaces are often located in attic areas. Hello i am working on a project which i am using attic trusses to be used for a living space approximately 32 wide 10 12 pitch spaced 2 o c.

1 can the joist be cut to make room for the attic ladder. If you really want to modify the framing of your attic and roof then consult with a licensed professional structural engineer. Lay a 4x8 3 4 sheet of plywood on each end of the truss on the bottom chord spanning to the two trusses on each side of the one to be cut. My recommendation is really simple.