Sash Window Draught-Proofing
The draught-proofing of sash windows is without doubt a ‘significant energy saving measure’. This means it will not only reduce the heat loss around your windows (helping to lower energy bills and increase comfort) but its installation is also zero-rated for VAT. Installing a modern draft-proofing system that’s not only effective, economic and long lasting, but is also elegant, has been at the heart of our business since we began.
Aside to any remedial work which may be required to the woodwork of your windows, our standard service is to install a complete draught-proofing system to your sash windows, with the following features and benefits:
- Draughts, rattles and dust ingress are usually eliminated completely (whatever the weather).
- Heat loss and noise penetration is reduced significantly
- Windows are rebalanced and adjusted (where necessary) with new waxed cords and new beading fitted.
- All loose putty is replaced, flaking paint is sanded/scraped back and bare wood primed.
- Windows can be easily removed from the inside to decorate and maintain.
- Windows will open and close smoothly and securely.
A New Two-piece Parting Bead (1)
- U shaped section screwed into original parting bead groove.
- Detachable pile carrier snapped into U section to allow removal of sashes.
- Height of draught-proofing pile selected to eliminate air infiltration and allow low friction sliding
Mid & Bottom Rail (2 and 4)
- Grooves routed to sash mid rail and bottom rail.
- Pile carriers installed.
- Draught-proofing pile (weatherstripping) is selected to suit varying widths of gaps.
Staff Bead (3)
- Existing staff bead replaced by new staff bead incorporating the draught-proofing pile.
- Painted with acrylic white primer conforming to BS 5082.
- Fitted with brass screws for easy release.
Note 1: the weather-stripping we use is carefully selected to suit varying widths of gaps. It meets all requirements of BS 7386 Specification for Draught-strips for draught control of existing doors and windows in housing. It is also silicone treated to repel water and is ultra-violet stabilised.
Note 2: we can also draught-proof casement windows and doors. We’ve developed a smart and effective system which gives a full perimeter seal and can eliminate draughts from perimeter gaps of up to 9mm. Beyond that the solution would require a timber plant-on to reduce the gap before fitting the system.
BRISTOL OFFICE
01275 563761 (Gary)
STROUD OFFICE
01453 755918 (Roger)
Our explainer videos
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In 2025 we shall be releasing new videos
Please check out our sash removal system video below. https://www.youtube.com/watch?v=azczCG3rK3A
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FENSA Approved
We’re delighted to report we’ve been approved by FENSA. Whilst we will always prioritise the preservation of sashes, there comes a time when replacement’s the correct
