Airtight & Windtight Tapes and Sealants

We offer a variety of airtight and windtight tapes and sealants to help you seal your home and save energy. Our products are made from high-quality materials and are designed to withstand the elements. We offer a variety of sizes to fit your needs.

Our products can be used to seal windows, doors, pipes, and other openings in your home.

Our products are easy to install and can help you save money on your energy bills.

View more in the Airtight range
Pro Clima Contega Solido SL80 (Internal Single-sIded Corner Adhesive Tape) - 80mm x 30m | Insulation Merchant
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  • HOLZ Technic Clara Transparent Single-sided Tape
    CLARA by Holz Technic

    HOLZ Technic Clara Transparent Single-sided Tape

    £12.01 per item
    £0.80 per LM (linear metre)
    inc. VAT
    £10.01 per item
    £0.67 per LM (linear metre)
    ex. VAT
    Save £-12.01
    £12.01 per item
    £0.80 per LM (linear metre)
    inc. VAT
    £0.00 Save £-10.01
    £10.01 per item
    £0.67 per LM (linear metre)
    ex. VAT
  • HOLZ Technic Interna Indoor Airtight Single-sided Tape
    INTERNA by Holz Technic

    HOLZ Technic Interna Indoor Airtight Single-sided Tape

    From £14.40 per item
    £0.57 per LM (linear metre)
    inc. VAT
    From £12.00 per item
    £0.48 per LM (linear metre)
    ex. VAT
    Save £-14.40
    From £14.40 per item
    £0.57 per LM (linear metre)
    inc. VAT
    £0.00 Save £-12.00
    From £12.00 per item
    £0.48 per LM (linear metre)
    ex. VAT
  • HOLZ Technic Simpla Universal Airtight Single-sided Tape
    SIMPLA by Holz Technic

    HOLZ Technic Simpla Universal Airtight Single-sided Tape

    From £15.26 per item
    inc. VAT
    From £12.72 per item
    ex. VAT
    Save £-15.26
    From £15.26 per item
    inc. VAT
    £0.00 Save £-12.72
    From £12.72 per item
    ex. VAT
  • ROTHOBLAAS Alu Butyl Band Tape
    Sale 5%
    ALU BUTYL BAND by Rothoblaas

    ROTHOBLAAS Alu Butyl Band Tape

    From £20.42 per item
    £2.04 per LM (linear metre)
    inc. VAT
    From £17.02 per item
    £1.70 per LM (linear metre)
    ex. VAT
    £21.50 Save £1.08
    From £20.42 per item
    £2.04 per LM (linear metre)
    inc. VAT
    £17.92 Save £0.90
    From £17.02 per item
    £1.70 per LM (linear metre)
    ex. VAT
  • Intelligent Membranes Supergrip (Waterborne Primer) (Roll) - 10kg
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes Supergrip (Waterborne Primer) (Roll) - 10kg

    £21.45 per item
    inc. VAT
    £17.88 per item
    ex. VAT
    £42.90 Save £21.45
    £21.45 per item
    inc. VAT
    £35.75 Save £17.88
    £17.88 per item
    ex. VAT
  • Intelligent Membranes Soteria (Asbestos Spray Encapsulation) (Spray) - 10kg
    by Intelligent Membranes

    Intelligent Membranes Soteria (Asbestos Spray Encapsulation) (Spray) - 10kg

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  • Intelligent Membranes Primer I.M (EXTERNAL Primer for Passive Purple) (Spray/Roll) - 10kg
    by Intelligent Membranes

    Intelligent Membranes Primer I.M (EXTERNAL Primer for Passive Purple) (Spray/Roll) - 10kg

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  • Intelligent Membranes PassivHaus Airtight Sealant (Brush) - 600ml foil cartridge | Insulation Merchant
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes PassivHaus Airtight Sealant (Brush) - 600ml foil cartridge

    £7.20 per item
    inc. VAT
    £6.00 per item
    ex. VAT
    £14.40 Save £7.20
    £7.20 per item
    inc. VAT
    £12.00 Save £6.00
    £6.00 per item
    ex. VAT
  • Intelligent Membranes Lime Prime (INTERNAL Primer for Passive Purple) (Spray/Roll) - 10kg
    by Intelligent Membranes

    Intelligent Membranes Lime Prime (INTERNAL Primer for Passive Purple) (Spray/Roll) - 10kg

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  • Intelligent Membranes Intelligent Protect Surface Pro (Asbestos Encapsulation) (Spray) - 4kg
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes Intelligent Protect Surface Pro (Asbestos Encapsulation) (Spray) - 4kg

    £23.95 per item
    inc. VAT
    £19.96 per item
    ex. VAT
    £47.90 Save £23.95
    £23.95 per item
    inc. VAT
    £39.92 Save £19.96
    £19.96 per item
    ex. VAT
  • Intelligent Membranes FRED (Flame Retardant Paint) (Spray/Roll/Brush) - 20kg
    by Intelligent Membranes

    Intelligent Membranes FRED (Flame Retardant Paint) (Spray/Roll/Brush) - 20kg

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  • Intelligent Membranes AW-1 (Alkaline Cleaner for spray machines) - 10 litre
    by Intelligent Membranes

    Intelligent Membranes AW-1 (Alkaline Cleaner for spray machines) - 10 litre

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  • Intelligent Membranes Application Brush - 3 inch
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes Application Brush - 3 inch

    £5.99 per item
    inc. VAT
    £4.99 per item
    ex. VAT
    £11.99 Save £6.00
    £5.99 per item
    inc. VAT
    £9.99 Save £5.00
    £4.99 per item
    ex. VAT
  • Intelligent Membranes "The Goat" (Flexible Waterproof Coating) (Roller) - 18kg
    by Intelligent Membranes

    Intelligent Membranes "The Goat" (Flexible Waterproof Coating) (Roller) - 18kg

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  • Intelligent Membranes "The Goat" (Flexible Waterproof Coating) (Brush) - 8kg
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes "The Goat" (Flexible Waterproof Coating) (Brush) - 8kg

    £59.99 per item
    inc. VAT
    £49.99 per item
    ex. VAT
    £119.98 Save £59.99
    £59.99 per item
    inc. VAT
    £99.98 Save £49.99
    £49.99 per item
    ex. VAT
  • Intelligent Membranes "The Goat" (Crack Bridging Sealant) - 600ml cartridge
    by Intelligent Membranes

    Intelligent Membranes "The Goat" (Crack Bridging Sealant) - 600ml cartridge

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  • Intelligent Membranes Intelligent Protect Spray Applied Protection Film (Spray) - 10kg tin
    by Intelligent Membranes

    Intelligent Membranes Intelligent Protect Spray Applied Protection Film (Spray) - 10kg tin

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  • Intelligent Membranes Poseidon (Waterproof Membrane) (Spray/Roller)
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes Poseidon (Waterproof Membrane) (Spray/Roller)

    £71.99 per item
    inc. VAT
    £59.99 per item
    ex. VAT
    £143.98 Save £71.99
    £71.99 per item
    inc. VAT
    £119.98 Save £59.99
    £59.99 per item
    ex. VAT
  • Intelligent Membranes Airtight White Internal Airtight Vapour Control Paint (Brush)
    by Intelligent Membranes

    Intelligent Membranes Airtight White Internal Airtight Vapour Control Paint (Brush)

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  • Intelligent Membranes Waterproof Blue (Liquid DPM) (Brush)
    Sale 50%
    by Intelligent Membranes

    Intelligent Membranes Waterproof Blue (Liquid DPM) (Brush)

    £41.99 per item
    inc. VAT
    £34.99 per item
    ex. VAT
    £83.98 Save £41.99
    £41.99 per item
    inc. VAT
    £69.98 Save £34.99
    £34.99 per item
    ex. VAT