How To Remove A Roof Truss
The first step when removing a wood roof truss is to disassemble the existing roof that is causing a load upon the truss.
How to remove a roof truss. If the roof slope is steeper than 9 inches in 12 inches of run it doesn t take much width to end up with a nice room 12 feet wide with an 8 foot ceiling. Fit the first resulting brace inside the truss at the point you marked on the lower cord with the flat bottom end on top of the lower cord and the angled edge against the bottom of the upper cord or rafter. Often the height of the roof may be too low when constructed with truss rafters which means that it may need to be raised too. Let the repaired wood truss set for 24 hours in dry conditions to secure the repair.
Slot cut out in existing timber. Once you cut out the roof trusses the load bearing will shift to your new supports. Remove the existing roof. To do this you will need to cut a slot into the existing truss rafter or joist in a u shape to the required length of the threaded steel bars in the new section of timber.
There may still not be any interior bearing walls but you should check. 3 only part of the roof framing may be trusses and the rest is rafters as in the photo below. These trusses are usually engineered by a structural engineering company to carry a specific roof load. 2 truss chords have been removed.
Refill the holes in the wood truss with wood adhesive and apply a wood scab to patch it. This may well require planning permission. Run a support header underneath the ridge of your roof an engineer will be able to find the correct type and size for you. A truss frame will occupy the majority of the space within the loft which means that the whole structure needs replacing if you decide to convert your attic.
Use a circular saw to cut the 2 by 4s along these lines. I have this above my own garage. Look at this photo of the space created by attic trusses at my home. When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly.
This is sometimes done by a homeowner to provide cleared space in the attic for storage but destroys the structural integrity of the truss. Remove the damaged connector plate and replace it even if it is only missing a few teeth. Attic trusses have a rectangular shape inside each truss. This can easily be accomplished by using a hammer and a crowbar.