Cutting Rafters For Attic Stairs

I would not put the attic stairs ladder assembly opening at right angles to the ceiling joists.

Cutting rafters for attic stairs.

Replacement of these furnaces can be difficult and sometimes cannot be done without cutting or modifying a truss. Set the framing square on top of the rafter beam with the tongue facing the top of the rafter. Figure 1 shows the floor or ceiling joists after the access hole has been cut to install a new flight of stairs or provide an attic access. Nail them to the rafters and angle nail the center support to the top edge of the horizontal brace.

Mark the plumb cut at the top of the rafter. 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. Let s compare common roof trusses with the roof framing materials that were used in your parent s house. Modifying floor or ceiling joists rafters for access.

Home owners sometimes will cut trusses to make more storage space in the attic or to do other modifications or remodeling. Then use a pencil to trace the outside edge of the framing square s tongue. Most common attic trusses for homes and garages are made with 2x4 s. Furnaces are often located in attic areas.

While they look the same you probably didn t notice the subtle differences. This is done to hold the bottom chord from pushing the wall out. Cut a 2 by 4 to fit horizontally from rafter to rafter on each truss. Your parents roof rafters were probably made from 2x8 s and could have been 2x10 s or.

Choose which end of your rafter you want to be the top. This completes the reframing process. Cut the ends to the same angle you used for the pony wall studs. Cutting and or removing joists to provide an entry or access can be the most difficult part of the overall project.

You potentially compromise too many of the rafter cross ties by doing that. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.