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.

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Airtight and windtight systems | Insulation Merchant
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  • PAVATEX Pavafix 150 Acrylic Adhesive Airtightness Tape - 25m x 150mm | Insulation Merchant PAVATEX Pavafix 150 Acrylic Adhesive Airtightness Tape - 25m x 150mm | Insulation Merchant
    PAVAFIX by Pavatex

    PAVATEX Pavafix 150 Acrylic Adhesive Airtightness Tape - 25m x 150mm

    £68.90 inc. VAT
    £57.42 ex. VAT
    £68.90 inc. VAT
    Save £-68.90
    £57.42 ex. VAT
    £0.00 Save £-57.42
  • DuPont™ AirGuard® FR System Tape - 25m x 75mm | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ AirGuard® FR System Tape - 25m x 75mm

    £ Looking for a price?

    Add to a quote for our best rate.

  • PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm | Insulation Merchant PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm | Insulation Merchant
    PAVAFIX by Pavatex

    PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm

    £22.90 inc. VAT
    £19.08 ex. VAT
    £22.90 inc. VAT
    Save £-22.90
    £19.08 ex. VAT
    £0.00 Save £-19.08
  • Pro Clima Contega Solido EXO100 (External Single-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant Pro Clima Contega Solido EXO100 (External Single-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    CONTEGA SOLIDO EXO by Pro Clima

    Pro Clima Contega Solido EXO200 (External Single-sIded Corner Adhesive Tape) - 30m x 200mm

    £121.03 inc. VAT
    £100.86 ex. VAT
    £121.03 inc. VAT
    Save £-121.03
    £100.86 ex. VAT
    £0.00 Save £-100.86
  • Pro Clima Aerosanna Fleece | Insulation Merchant pro clima | Insulation Merchant
    Sale 5%
    AEROSANA FLEECE by Pro Clima

    Pro Clima Aerosanna Fleece

    £17.67 inc. VAT
    £0.70 per LM (linear metre)
    £14.73 ex. VAT
    £0.59 per LM (linear metre)
    £17.67 inc. VAT
    £0.70 per LM (linear metre)
    £18.60 Save £0.93
    £14.73 ex. VAT
    £0.59 per LM (linear metre)
    £15.50 Save £0.78
  • DuPont™ Single Sided Acrylic Tape - 25m x 75mm | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ Single Sided Acrylic Tape - 25m x 75mm

    £30.90 inc. VAT
    £1.23 per LM (linear metre)
    £25.75 ex. VAT
    £1.03 per LM (linear metre)
    £30.90 inc. VAT
    £1.23 per LM (linear metre)
    Save £-30.90
    £25.75 ex. VAT
    £1.03 per LM (linear metre)
    £0.00 Save £-25.75
  • Intelligent Membranes PASSIVE PURPLE External Airtight Vapour Control Paint | Insulation Merchant Intelligent Membranes PASSIVE PURPLE External Airtight Vapour Control Paint | Insulation Merchant
    PASSIVE PURPLE - EXTERNAL by Intelligent Membranes

    Intelligent Membranes PASSIVE PURPLE External Airtight Vapour Control Paint

    From £108.00 inc. VAT
    From £90.00 ex. VAT
    From £108.00 inc. VAT
    Save £-108.00
    From £90.00 ex. VAT
    £0.00 Save £-90.00
  • 60mm SOUDAL Soudatape Connect (Airtight tape) - 25m | Insulation Merchant
    SOUDATAPE by SOUDAL

    60mm SOUDAL Soudatape Connect (Airtight tape) - 25m

    £27.90 inc. VAT
    £1.11 per LM (linear metre)
    £23.25 ex. VAT
    £0.93 per LM (linear metre)
    £27.90 inc. VAT
    £1.11 per LM (linear metre)
    £27.90 Save £0.00
    £23.25 ex. VAT
    £0.93 per LM (linear metre)
    £23.25 Save £0.00
  • Pro Clima Contega Solido EXO-D80 (External Double-sIded Corner Adhesive Tape) - 30m x 80mm | Insulation Merchant Pro Clima Contega Solido EXO-D80 (External Double-sIded Corner Adhesive Tape) - 30m x 80mm | Insulation Merchant
    Sale 5%
    CONTEGA SOLIDO EXO-D by Pro Clima

    Pro Clima Contega Solido EXO-D80 (External Double-sIded Corner Adhesive Tape) - 30m x 80mm

    £64.75 inc. VAT
    £2.15 per LM (linear metre)
    £53.96 ex. VAT
    £1.80 per LM (linear metre)
    £64.75 inc. VAT
    £2.15 per LM (linear metre)
    £68.16 Save £3.41
    £53.96 ex. VAT
    £1.80 per LM (linear metre)
    £56.80 Save £2.84
  • SIGA Fentrim® 330 Grey Adhesive Tape - 150mm | Insulation Merchant SIGA Fentrim® 330 Grey Adhesive Tape - 150mm | Insulation Merchant
    Spring Savings
    FENTRIM® 330 GREY by SIGA

    SIGA Fentrim® 330 Grey Adhesive Tape - 150mm

    £169.15 inc. VAT
    £6.76 per LM (linear metre)
    £140.96 ex. VAT
    £5.64 per LM (linear metre)
    £169.15 inc. VAT
    £6.76 per LM (linear metre)
    Save £-169.15
    £140.96 ex. VAT
    £5.64 per LM (linear metre)
    £0.00 Save £-140.96
  • SIGA Fentrim® 2 50/85 (Pre-folded External Corner Tape) - 25m | Insulation Merchant SIGA Fentrim® 2 50/85 (Pre-folded External Corner Tape) - 25m | Insulation Merchant
    Spring Savings
    FENTRIM® 2 by SIGA

    SIGA Fentrim® 2 50/85 (Pre-folded External Corner Tape) - 25m

    £88.80 inc. VAT
    £3.55 per LM (linear metre)
    £74.00 ex. VAT
    £2.96 per LM (linear metre)
    £88.80 inc. VAT
    £3.55 per LM (linear metre)
    Save £-88.80
    £74.00 ex. VAT
    £2.96 per LM (linear metre)
    £0.00 Save £-74.00
  • Intelligent Membranes Supergrip (Waterborne Primer) (Roll) - 10kg | Insulation Merchant
    by Intelligent Membranes

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

    £ Looking for a price?

    Add to a quote for our best rate.

  • Intelligent Membranes Soteria (Asbestos Spray Encapsulation) (Spray) - 10kg | Insulation Merchant
    by Intelligent Membranes

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

    £ Looking for a price?

    Add to a quote for our best rate.

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

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

    £ Looking for a price?

    Add to a quote for our best rate.

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

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

    £ Looking for a price?

    Add to a quote for our best rate.

  • Intelligent Membranes Lime Prime (INTERNAL Primer for Passive Purple) (Spray/Roll) - 10kg | Insulation Merchant
    by Intelligent Membranes

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

    £ Looking for a price?

    Add to a quote for our best rate.

  • Intelligent Membranes Intelligent Protect Surface Pro (Asbestos Encapsulation) (Spray) - 20kg | Insulation Merchant
    by Intelligent Membranes

    Intelligent Membranes Intelligent Protect Surface Pro (Asbestos Encapsulation) (Spray) - 20kg

    £ Looking for a price?

    Add to a quote for our best rate.

  • Intelligent Membranes FRED (Flame Retardant Paint) (Spray/Roll/Brush) - 20kg | Insulation Merchant
    by Intelligent Membranes

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

    £ Looking for a price?

    Add to a quote for our best rate.

  • by Intelligent Membranes

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

    £ Looking for a price?

    Add to a quote for our best rate.

  • by Intelligent Membranes

    Intelligent Membranes Application Brush - 3 inch

    £ Looking for a price?

    Add to a quote for our best rate.