DIYbanter - View Single Post - Repairing timber shed uprights

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On 24/07/2018 17:29, The Natural Philosopher wrote:
On 24/07/18 16:42, wrote:
On 24/07/2018 16:08, newshound wrote:
On 24/07/2018 15:15, wrote:
I have a large shed with 6" x 3" timber uprights resting on a stub
block wall. The bottom 2-3 feet of the posts is rotten so I want to
splice-in some new timber. I can't think how to cut a decent lap
joint in the bottom end of the remaining upright so I'm tempted to
butt join the timber and add steel plates (fish plates?) on each
side - at a guess these would be around 150 wide 450 long and a few
mm thick.

Suggestions welcomed for how to cut a lap joint on the bottom of a
bit of timber that's waggling in the breeze, or for a source of
suitable steel plates.

A bit fiddly, but can't you make the basic cuts for a lap joint with
a circular saw? And square off with a panel saw. Then put coach bolts
through it.

Tough to do with the timber hanging down from the roof structure,
which it will be once I saw off the rotten bit. I suppose I could cut
a sort of half lap joint (zillions of half-depth cuts with a circ saw,
then cleaned-up with a chisel) while the rotten bit is still attached
and providing a little bit of anchorage, then saw off the end. Hmm,
perhaps I could first attach some sacrificial timber over the rot and
fix it to the wall to a provide temporary anchorage.

Dont even startt. Do waht I did. Enormous tub of car body filler moulded
to upright shape...use bit of timeber to bulk it if you must.

Thanks, but I'd like some strength in the post, rather than just having
it look OK