uPVC Coupler and Extensions
Do you need a Coupler or Extension Piece?
A Coupler is used when two items are attached together. It allows for a neat join between the two. If you are ordering coupler please reduce the width of the shortest window by 5mm to allow for it we will not make this allowance.
An Extension Piece is used to thicken the frame. It is available in 15mm, 25mm and 40mm thicknesses. Please ensure you make appropriate reductions when ordering your window/door - we will not make this allowance.
Please note, screws are not supplied with Couplers or Extensions.
uPVC Couplers and Extensions from Dunster House
If you’re looking for couplers or extensions for your windows or doors then your search is over. At Dunster House, we know that it’s important to get the little things right, which is why we stock uPVC couplers and uPVC extensions, so your windows and doors are safe and look good.
Couplers and Extensions
Our uPVC couplers are necessary when two frames need to be neatly joined together. It is important to remember that if you are
ordering a uPVC coupler, you should reduce the width of the shortest window by 5mm to allow for it, as we will not make this allowance.
uPVC extensions are used to thicken the frame. Available in 15mm, 25mm and 40mm thicknesses, you must ensure that you make appropriate reductions when ordering your window/door, as again, we will not make this allowance.
We pride ourselves on the quality of our products, which are designed, manufactured and sold directly with us.
Order Yours Today
If you have a question about our couplers and extensions, then please don’t hesitate to get in contact. Our dedicated sales team will be more than happy to help whatever your query. Call us on 01234 868628, or pop in to our showroom in Bedford to order yours today.
bolts for security.
Internal chambers make it
harder for warm air to
seals - Less visible
and look neater.
So will not discolour
Provides a more