This method can even be used for repairing flag poles.
Replacing roof timbers.
Replacing roof trusses with stick framing remember when redesigning a roof space you re potentially interfering with your roof s structural integrity.
Scarfe joints see top right illustration above are commonly used where the ends of timbers have decayed for example in a damp exterior wall.
Make minor repairs on the roof if it is in good condition.
Replacing a dry rotted beam is not a difficult task if you follow the tried and true methods listed below.
Building repairs can also be effected by completely replacing timbers with new timber or where used appropriately and sympathetically materials such as steel or reinforced concrete.
Use a hammer and nails to.
It s extremely important to consult with a structural engineer before undertaking any roof remodeling or replacing roof trusses with stick framing.
Roof replacement in situations where it makes more sense to re roof rather than repair cross timbers roofing works hard to install roofing replacements quickly with no hassle for you and your family.
If not replace bad wood with new plywood sheathing or 1 x 6 sheathing boards whichever is applicable to your type of roof.
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.
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.
How to replace the rafters without removing the roof step 1.
The basics of the process are as follows.
Slide one of the newly cut rafter legs into position directly next to the old rafter.
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.
Wood beams are used to support a bearing load from a roof or second floor.
Measure the dimensions of the old rafters beneath your roofing surface.