Fitting a number of new fascias to a new project.
Paid extra to get 1" finished thickness softwood & moulding I wanted.
For joints mid run, intend using 45 degree scarf joints (lined up over
rafter end) .... should these be glued or left dry ?
Finish will be dark wood stain.
Doesn't make much real difference -- I usually glue if weather suitable
mostly for the sealing effect. Same thing essentially w/ simply good
job of priming the cut ends. I prefer a longer cut than a 45, but
that's just a preference; no real functional reason.
45 on 1" material isn't much of a scarf compared to a normal 8:1 or
10:1, I typically see.
Have you thought about adding biscuits to strengthen joint and hold
pieces in position?
I'd definitely use glue.
Good idea ... I can go longer than 45 degree ... not sure what compund
mitre score will allow ... probabky down to 20 or so.
I did think of biscuits ... when I originally was going to but
joint .... are biscuits messy to install on mitre cuts ?
Common practice in this area is to NOT glue scarfed facia joints.
AAMOF, I don't think I've ever seen it done, and would expect that most
cornice crews around here would fall off the scaffolding if you asked them
to do it. :)
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