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Fitting cat flap to upvc back door


 
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Jaffakake

from United Kingdom

Joined: 14 Jan 2005
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PostPosted: Wed Oct 03, 2007 10:46 am Reply with quote

What is the internal construction of a upvc back door with some moulding on it? Can I just cut though it with a jigsaw and sculpt the moulding so that the cat flap frame will fit? Am I better trying to go through the wall instead?
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noseall

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PostPosted: Wed Oct 03, 2007 5:13 pm Reply with quote

if you have a moulded panel fitted to the door, then a cat flap may not be suitable as the profile will make fitting awkward.

there is no reason why you can't have a plain flat replacement fitted. a cat flap could be installed into the panel before the panel is finally fixed into the door.
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Jaffakake

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PostPosted: Sun Oct 07, 2007 6:52 pm Reply with quote

The whole central panel of the door is one, so to change it makes buying a new door better. I'm sure I could scuplt the edges of the panelling to fit a flap, but wasn't sure what the internal constructions was.
Is it just UPVC?
Would a jigsaw do it?
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noseall

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PostPosted: Sun Oct 07, 2007 9:34 pm Reply with quote

the construction is a laminate of plastic, plywood and foam or polystyrene insulation.

a jigsaw will pi$$ through it.
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timbalcombe

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PostPosted: Sun Oct 07, 2007 10:57 pm Reply with quote

Sorry to Hijack this post;
I already have a flap installed but wish to put another one in.
Unfortunately the new one is longer. I can probably cut the extra length with the panel in situ, but how will I cut accross to complete the opening?
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HandyHands

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PostPosted: Mon Oct 08, 2007 7:45 am Reply with quote

You'll need to fit a tunnel to the cat flap, and have the openings standing proud of the door (past the profile). This should result in a fairly neat solution. Best bet is to replace the panel though with a flat one - or get rid of the cat.
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2scoops0406

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PostPosted: Fri Oct 12, 2007 7:42 am Reply with quote

noseall wrote:
the construction is a laminate of plastic, plywood and foam or polystyrene insulation.

a jigsaw will pi$$ through it.


Err not always, mine is plastic Steel plate, foam, plastic. Hard to cut through.
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HandyHands

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PostPosted: Fri Oct 12, 2007 9:25 am Reply with quote

timbalcombe wrote:
yeah really handy post knob jockey - sorry- "handyhands"


I wasn't responding to your "hijack" posting, it was to the OP's question icon_rolleyes.gif
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HandyHands

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PostPosted: Fri Oct 12, 2007 9:28 am Reply with quote

2scoops0406 wrote:
noseall wrote:
the construction is a laminate of plastic, plywood and foam or polystyrene insulation.

a jigsaw will pi$$ through it.


Err not always, mine is plastic Steel plate, foam, plastic. Hard to cut through.


If the jigsaw has a HSS blade fitted, it should go through all the layers - just make sure the panel is braced so it doesn't "flap" whilst cutting. Also protect the panel whilst cutting, or it'll mark very easily.
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masona

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PostPosted: Fri Oct 12, 2007 1:33 pm Reply with quote

Jaffakake wrote:
Am I better trying to go through the wall instead?

Well I think so as the cat flap can spoiled the appearance of the door and the wall cat tunnel can be hidden out of sight, behind sofa or curtain





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HandyHands

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PostPosted: Fri Oct 12, 2007 4:34 pm Reply with quote

I popped in to see a customer this afternoon, who I installed a cat-flap for last week - exact scenario as above, but I replaced the panel for her.

The cat wouldn't use the flap though, that is until yesterday when next doors dog spooked it and caused it to "fly" through the flap. No problems since !.
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