Timber beam-end engineering repairs

"A" frame truss repair. The roof had at some time been repaired by others due to a serious infestation of death watch beetle. The repair was insufficient and led to the roof collapsing by a further half metre.

Click on each picture for a larger view.

Exposed rafter from the truss.

Single bolt connection from the repair rafter to the existing rafter.

Angle of roof displacement.

Viewed up the existing rafter, showing the single bolt connection to the ?. Note the deathwatch beetle holes and the loss of timber.

The lower section of the existing rafter was removed, and the single bolted-on rafter was utilised. This was then marked out and drilled up the end grain to accept the new beam end repair.

Timber removed to create a side slot repair system.

First dry fit of the timber repair system. Note the correct building line of repair.

New rafter position.

New timber spreader.

Rafter now in position, sealed with shuttering to accept a resin pour.

Injecting resin.

Finished resin pour.

New roof collar installed to prevent
roof spread.