CuttIng UPVC quadrant nightmare
Discussion
I'm currently working on fixing up a 1930's home I bought a few months ago. Planning on moving in at the weekend.
The last job to do was to tidy up the internal window frames. I removed the old strips and purchased some upvc quadrant strips from wickes, these ones:
http://www.wickes.co.uk/Wickes-PVCu-White-Quadrant...
Problem is im having an absolute nightmare trying to get the angled corners correct. I've been using my mitre saw and just can't get the corners right, wife has been telling me I should just try to get as close as possible then fill the gaps with decorator caulk, however I want to get it right.
So how do I get the corners correct, I've been considering buying one of these but not sure if it will be any good:
Mitre Shears/Mitre Angle Trim/PVC Decking Cutter https://www.amazon.co.uk/dp/B00CIVVAGM/ref=cm_sw_r...
How on earth do I get the cuts right????
The last job to do was to tidy up the internal window frames. I removed the old strips and purchased some upvc quadrant strips from wickes, these ones:
http://www.wickes.co.uk/Wickes-PVCu-White-Quadrant...
Problem is im having an absolute nightmare trying to get the angled corners correct. I've been using my mitre saw and just can't get the corners right, wife has been telling me I should just try to get as close as possible then fill the gaps with decorator caulk, however I want to get it right.
So how do I get the corners correct, I've been considering buying one of these but not sure if it will be any good:
Mitre Shears/Mitre Angle Trim/PVC Decking Cutter https://www.amazon.co.uk/dp/B00CIVVAGM/ref=cm_sw_r...
How on earth do I get the cuts right????
On light UPVC & wooden trims etc I've always used my modelling gear!
Examples here:-
https://www.sussex-model-centre.co.uk/mitre-box
Or
https://www.sussex-model-centre.co.uk/aluminium-mi...
Used with a small razor saw, or in kit form
https://www.sussex-model-centre.co.uk/mitre-box-no...
Examples here:-
https://www.sussex-model-centre.co.uk/mitre-box
Or
https://www.sussex-model-centre.co.uk/aluminium-mi...
Used with a small razor saw, or in kit form
https://www.sussex-model-centre.co.uk/mitre-box-no...
A mitre box will only give you a strict 45 degree cut & the last time a 1930's house would have had a square window aperture is on the architect's drawing.
One way you can get them right is to measure the angle & set a mitre saw. You can also practice on bits of scrap until you've nailed the angle crack on from there. Mitres can be a pain but good ones are a thing of beauty. Decent set of tips here.
https://www.familyhandyman.com/carpentry/trim-carp...
One way you can get them right is to measure the angle & set a mitre saw. You can also practice on bits of scrap until you've nailed the angle crack on from there. Mitres can be a pain but good ones are a thing of beauty. Decent set of tips here.
https://www.familyhandyman.com/carpentry/trim-carp...
Edited by Eddie Strohacker on Sunday 23 July 22:41
You'll need a sliding bevel, compasses and a pencil. Use the sliding bevel to get the angle of the corner of the window and lock it. Place the bevel on a scrap piece of timber and scribe the angle on to it. Now, using the compasses bisect the angle - this gives you half of the angle of the corner of the window. Set your saw to this angle and cut your quadrant, do the same for all four corners.
This may be stating the obvious, but you are resting the quadrant on one of the two outer flat edges up against the mitre saw fence and not on its flat back??
If one end has a square end, cut the 45 degree first and just use a file or an electric sanding disc to get it spot on, then trim to length. If it has a mitre both ends, get one end to fit with it slightly over length then use an off-cut to get the other end correct and copy it to the finished piece.Trying to dissect each angle over about 15mm is going to be a pain.
If one end has a square end, cut the 45 degree first and just use a file or an electric sanding disc to get it spot on, then trim to length. If it has a mitre both ends, get one end to fit with it slightly over length then use an off-cut to get the other end correct and copy it to the finished piece.Trying to dissect each angle over about 15mm is going to be a pain.
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