UPVC is generally strong but not very thick.
Pilot a hole where required with a 3mm drill bit and then use a short self tapping screw.
Be careful not to over tighten as the screw will lose grip.
UPVC is generally strong but not very thick.
Pilot a hole where required with a 3mm drill bit and then use a short self tapping screw.
Be careful not to over tighten as the screw will lose grip.