If not replace bad wood with new plywood sheathing or 1 x 6 sheathing boards whichever is applicable to your type of roof.
Replacing roof timbers.
Roof replacement can greatly benefit your home by increasing property value and enhancing curb appeal.
Wood beams are used to support a bearing load from a roof or second floor.
In most cases complete replacement of a timber will be impossible by traditional means without scaffolding or roof removal but a trs will allow the low disturbance and therefore cheaper repair of beams roof purlins tie beams lintels joists and rafters.
How to replace the rafters without removing the roof step 1.
It s extremely important to consult with a structural engineer before undertaking any roof remodeling or replacing roof trusses with stick framing.
Use your tape measure to record the.
Measure the dimensions of the old rafters beneath your roofing surface.
Make minor repairs on the roof if it is in good condition.
They can span as much as 20 feet and many times they can be doubled as decorative pieces.
Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now.
This approach which enables the decayed timber to be cut out and replaced with sound material depends on careful joint detailing for its structural integrity.
Slide one of the newly cut rafter legs into position directly next to the old rafter.
Replacing a dry rotted beam is not a difficult task if you follow the tried and true methods listed below.
This method can even be used for repairing flag poles.
Use a hammer and nails to.
Scarfe joints see top right illustration above are commonly used where the ends of timbers have decayed for example in a damp exterior wall.
Replacing roof trusses with stick framing remember when redesigning a roof space you re potentially interfering with your roof s structural integrity.