Foam Seal
3M Classic Insulation Foam Seal 6 m, Medium Gap up to 4 mm, White
White · Medium (1–4 mm gaps) · 6 m
Foam Seal
3M Classic Insulation Foam Seal 6 m, Medium Gap up to 4 mm, White
White · Medium (1–4 mm gaps) · 6 m
Ships from the US · arrives in 1–2 weeks. Delivery info
A 6 m roll of white 3M Classic self-adhesive foam seal for medium gaps of 1 to 4 mm around windows and doors, to help block draughts and noise.
Also available in White, Small (1–3 mm gaps), 6 m.
Product details
Closing gaps around windows and doors
This high-density foam is designed for all types of windows and doors and seals gaps from 1 to 4 mm. It is the medium option, intended to cut draughts and noise and to improve comfort at home.
Cut, press and done
The foam has an adhesive back, so you cut it to the length needed and press it into the gap. It is flexible, which makes it simple to fit.
Built to last
The manufacturer states it is engineered to withstand up to 37,500 openings and closings and to keep insulating for up to 5 years. The roll is 6 m long in white.
How to use
Measure the gap, cut the foam to length and peel back the backing. Press the self-adhesive side firmly into place along the window or door frame.
Before you choose
This is the medium size for gaps from 1 to 4 mm; a small version is made for gaps up to 3 mm. Measure your gap first.
About the brand
3M
3M is a global company known for adhesives and household repair products, including an all-in-one kit for small wall hole repairs.
Delivery & returns
This item ships from the USA and takes longer to arrive. The standard UK-stock delivery estimates do not apply.
Standard UK delivery: free on all orders. Estimated 2–3 working days after dispatch.
Express UK delivery: estimated 1–2 working days after dispatch. Free on orders over £75.
Please allow up to 2 working days for order processing; orders are often dispatched the next working day. Delivery times are estimates, not guarantees.
Standard UK delivery: free on all orders. Estimated 2–3 working days after dispatch.
Express delivery is not available on this item.
Please allow up to 2 working days for order processing. Delivery times are estimates, not guarantees.
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Good for
Around the home
Format
DIY & tools
3M Classic Insulation Foam Seal 6 m, Medium Gap up to 4 mm, White
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