Softwood Roof 75% Complete – green oak barn

Thursday 29/4/21

After putting up the first three short jack rafters yesterday, I realised that I was going to need the scaffolding tower to safely install the two longer jack rafters of each jack rafter set. But before moving the tower into the lefthand bay I decided to leave it where it was and use it to install the common rafters on the front and rear of the roof. I then moved the tower into the lefthand bay and installed the jack rafters. This is captured in this time lapse.

If you want slow the time lapse down, view the video on YouTube and use the gear icon to reduce the playback speed.

This is how things looked at the end of the day. Just the jack rafters on the right side of the roof are left to do.

Softwood roof 75% complete

Just a couple of things to note.

Positioning of the jack rafters
I’d cut the jack rafters to length according to the roof plan with the required plumb cut and bevel. This meant I could place the birdsmouth on the wall plate and move them into position against the hip rafter. To help with this process, and provide some reassurance, I made an improvised square by attaching a piece of straight, scrap plywood to my roofer’s square with mini clamps.

Improvised square

I was able to hook this over the arris of the wall plate to give reassurance that the jack rafter was in the right location at right angles to the wall plate.

Improvised square in use

Rafter to wall plate fixings
Just  to say that I am really pleased with the way these fixings are working.

Rafter fixings
Timba screws

I’m drilling through the rafter with a long 6mm auger bit and allowing the fixing to ‘self tap’ into the green oak wall plate.

Tomorrow I should complete the softwood roof.




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