As an Amazon Associate I earn from qualifying purchases.





Replacement may be needed where your existing rubber window/ door seals have become compressed and are not fully sealing the gap in the window when it is closed, this will then let in both air and external sound. Note, the original shape of the seal within your window/door may vary slightly from this rubber seal profile/shape. Original upvc window seals can become compressed or perished therefore may need replacement. This should not affect the performance of your window/door in most circumstances this product will provide a new airtight/soundproof seal.



1. STORMGUARD

Stormguard UPVC Replacement Door and Window Bubble Gasket Rubber Seal Black 25 Metres
STORMGUARD - Seals gaps 3mm-5mm gap between frame to frame when closed. Weather seals opening sash to frame when closing. Important: before ordering please check sizes shown on diagram match the gasket you are replacing. Not suitable for sealing between frame and glass. Fits grooves between 3. 2 to 4mm wide - pushes into existing groove on the frame no gluing is required.Brand | STORMGUARD |
Manufacturer | STORMGUARD |
Height | 0.9 cm (0.35 Inches) |
Length | 2500 cm (984.25 Inches) |
Width | 0.8 cm (0.31 Inches) |
Part Number | 21CP397025MBL |
2. STORMGUARD

20 Meters, STORMGUARD 21SR3970020B UPVC Replacement Door and Window Rubber Seal, Black
STORMGUARD - Model number: 21sR3970020B. Can be cut to size. Fits all upvc frames. Pushes into the existing grove.Brand | STORMGUARD |
Manufacturer | STORMGUARD |
Height | 0.9 cm (0.35 Inches) |
Length | 200 cm (78.74 Inches) |
Weight | 1 kg (2.2 Pounds) |
Width | 1 cm (0.39 Inches) |
Part Number | 21SR3970020B |
Model | 21SR3970020B |
Warranty | No guarantee. |
3. CGC8

CGC8 Window Seals UPVC Replacement Door And Window Gasket Silicone Rubber Seal Black 10 Metres,12mm*5mm
CGC8 - Weather seals opening sash to frame when closing. High quality black silicone rubberFits most UPVC frames. Pushes into the existing groove no gluing is required. Prevent draughts and water ingress. High quality black silicone rubber.Brand | CGC8 |
Manufacturer | CGC8 |
Part Number | 165-480-151 |
4. CGC8

CGC8 Window Seals UPVC Replacement Door And Window Gasket Silicone Rubber Seal black 10 Metres
CGC8 - Pushes into the existing groove no gluing is required. Prevent draughts and water ingress. High quality black silicone rubber. Fits most UPVC frames. Weather seals opening sash to frame when closing.Brand | CGC8 |
Manufacturer | CGC8 |
Part Number | 165-541-151 |
5. GB DIY Store

UPVC Window & Door Gasket Seal Double Glazing Bubble Rubber Repair Draught Seal Black Sample Pack 100mm of Each Size
GB DIY Store - Very easy to fit. Premium quality corded gaskets to reduce shrinkage and offer a long lifespan. These gaskets are the most common gaskets used in both current and past windows and doors. If you require a length of 10 metres simply change the quantity to 10 . These gaskets simply push fit straight into the groove where the existing gasket. Sold per metre. Sample packs are available which will provide you with a short piece of each size so you can test and find the perfect replacement.Brand | GB DIY Store |
Manufacturer | GB DIY Store |
6. LOWENERGIE

Black, Stormguard Replacement Rubber UPVC Window Door Gasket Seal Draught proofing excluder 6 Meters
LOWENERGIE - Window seals act as both draught proofing saving on your heating bills but they also act as soundproofing. Universal rubber seal - Suitable for both windows and doors.Replacement may be needed where your existing rubber window/ door seals have become compressed and are not fully sealing the gap in the window when it is closed, this will then let in both air and external sound. Note, the original shape of the seal within your window/door may vary slightly from this rubber seal profile/shape. Original upvc window seals can become compressed or perished therefore may need replacement. This should not affect the performance of your window/door in most circumstances this product will provide a new airtight/soundproof seal.
Brand | LOWENERGIE |
Manufacturer | Lowenergie |
7. CGC8

CGC8 Window Seals UPVC Replacement Door And Window Gasket Silicone Rubber Seal Transparent 10 Metres,14mm*10mm
CGC8 - Fits most UPVC frames. Weather seals opening sash to frame when closing. Prevent draughts and water ingress. Pushes into the existing groove no gluing is required. High quality transparent silicone rubber.Brand | CGC8 |
Manufacturer | CGC8 |
Part Number | 165-459-151 |
8. Generic

Gasket Foam Replacement Seal for UPVC Window and Door. Black 25 Metres / 82 Foot. End Mill Drill Bit Included.
Generic - Temperatures – wide operating range under extremely cold and warm weather conditions. Excellent memory – unlike rubber seal, our expanding foam seal returns to original shape after long compression. Thermal / acoustics – unrivalled thermal window insulation and soundproof foam performance. Stability – window / door rubber seals tend to stretch or shrink due to age and temperature. Our foam seal has fibreglass strip which prevents shrinking or stretching. End mill included - remove glued and fused draught excluder corners with ease.Brand | Generic |
Manufacturer | Schlegel |
9. NWH

Black, 20m UPVC Window Door Gasket Seal Double Glazing Bubble Rubber Repair Draught Seal B035
NWH - An order for 40m would come as 2 x 20m rolls. Available in black and white. Comes as one continuous length up to 20m. Superior ageing properties. Sold per 20m. Unaffected by most aqueous oils and oil based fluids. Uv stable.Brand | NWH |
Manufacturer | NWH |