Timber fascia joints

600rob · 7 Aug 2020

Ive got a few lengths of timber fascia to replace on my house.
The existing fascias are mitred at the joints where one board meets the next.

Is there any advantage (or disadvantage) of using mitres at the joints?

I was thinking to use straight, square cut butt joints since my chop saw is not the most accurate! im thinking less margin for error.

would it be okay to use a straight butt joint or not?

foxhole · 7 Aug 2020

No point in a mitre .External timber will cup in the weather exposing the joint and weaken it .Once painted joints look identical.

Deleted member 174758 · 7 Aug 2020

Looks neater and more professional

600rob · 9 Aug 2020

foxhole said:
No point in a mitre .External timber will cup in the weather exposing the joint and weaken it .Once painted joints look identical.

Nice one thanks. If its purely cosmetic then straight butt joints are quicker and easier (for me) to get right first time.
will be hard to tell the difference when looking up from ground level with gutters fitted etc

foxhole · 9 Aug 2020

600rob said:
Nice one thanks. If its purely cosmetic then straight butt joints are quicker and easier (for me) to get right first time.
will be hard to tell the difference when looking up from ground level with gutters fitted etc

Exactly

mrrusty · 12 Aug 2020

If you are replacing fascias of any depth, good luck with finding timber that isn't or wont twist and cup and doesn't have any shakes! Personally, if I really wanted timber fascias (as opposed to uPVC, which I generally dislike, but I dislike high-level painting even more), for a long-term solution (and not as a tart-up to sell) I would use Accoya. The timber will cost more, but will stay where it's put, will have a very very long life and the minimal expansion/contraction of this chemically modified wood means paint also resists cracking and peeling for a lot longer.

Deleted member 174758 · 12 Aug 2020

+1 on Accoya

Mw Roofline · 14 Aug 2020

Probably teaching you to suck eggs but just in case Join the ends on a joist

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Timber fascia joints

600rob

foxhole

Deleted member 174758

600rob

foxhole

mrrusty

Deleted member 174758

Mw Roofline

DIYnot Local

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