I'm sure I've seen this asked and answered here here before but can't find
the answer. I want to attach a roller blind to a glazed uPVC door and am
uncomfortable about screwing the small metal fittings directly into the
plastic, bearing in mind the forces they will experience. Was considering
screwing them to a batten instead, and glueing that to the door; however
ISTR somebody here mentioning a bespoke plug method of attaching
rails/brackets etc to uPVC frames.
Am I imagining things or does something like that exist?
Hasn't the door got a steel frame? Test it with a magnet? I had a
similar query when wanting to fix a security chain: what should I
screw it on to. But I was told that it had a steel frame, and to drill
pilot holes of the appropriate size in the appropriate places and use
self-tapping screws of the appropriate length. Worked out very well.
Very appropriate, in fact!
Your local UPVC hardware supplier should be able to supply appropriate screws, see below. I used some of the repair screws to re secure some handles and they are rock solid.
On 16/11/15 17:09, stuart noble wrote:
<snip> > Most screws bite like crazy into pvc providing you drill a small (2mm?)
Pilot holes? On this newsgroup? I thought most denizens used either a
big hammer or an impact driver. You'll be advocating clearance holes,
and countersinking, and round-head screws through metal next!
You're absolutely right about self-tappers or really, any modern
single-start woodscrew for upvc. I keep a gash,roughly re-sharpened
1/16 or thereabouts twist drill in an old hand drill for such piloting
If its permanent, I'd not be too worried about drilling holes and using
small self tapping screws. My roller blind has been up for five years with
no problems. Its a Wilkinson's one.
Of course it goes without saying that you need to make small holes and do
not over tighten the screws. Most of the innards of the blind seems to be
held together with little self tapping screws into plastic, in my one and
nothing has cracked or stripped its threads.
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