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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  • Pro Clima Contega Solido SL-D100 (External Double-sIded Corner Adhesive Tape) - 100mm x 30m | Insulation Merchant Pro Clima Contega Solido SL-D100 (External Double-sIded Corner Adhesive Tape) - 100mm x 30m | Insulation Merchant
    Sale
    CONTEGA SOLIDO SL-D by Pro Clima

    Pro Clima Contega Solido SL-D100 (External Double-sIded Corner Adhesive Tape) - 100mm x 30m

    £79.40 inc. VAT
    £2.64 per LM (linear metre)
    £66.17 ex. VAT
    £2.21 per LM (linear metre)
    £79.40 inc. VAT
    £2.64 per LM (linear metre)
    £81.60 Save £2.20
    £66.17 ex. VAT
    £2.21 per LM (linear metre)
    £68.00 Save £1.83
  • Pro Clima Tescon Invis - 100mm x 30m | Insulation Merchant
    Sale
    TESCON by Pro Clima

    Pro Clima Tescon Invis - 100mm x 30m

    £52.90 inc. VAT
    £1.76 per LM (linear metre)
    £44.08 ex. VAT
    £1.47 per LM (linear metre)
    £52.90 inc. VAT
    £1.76 per LM (linear metre)
    £54.36 Save £1.46
    £44.08 ex. VAT
    £1.47 per LM (linear metre)
    £45.30 Save £1.22
  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 7-12mm - Roll 15mm x 4.3m | Insulation Merchant Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 7-12mm - Roll 15mm x 4.3m | Insulation Merchant
    Sale 10%
    CONTEGA FIDEN EXO by Pro Clima

    Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 7-12mm - Roll 15mm x 4.3m

    £7.00 inc. VAT
    £5.83 ex. VAT
    £7.00 inc. VAT
    £7.80 Save £0.80
    £5.83 ex. VAT
    £6.50 Save £0.67
  • SIGA Fentrim® IS 2 (Pre-folded External Corner Tape) | Insulation Merchant SIGA Fentrim® IS 2 (Pre-folded External Corner Tape) | Insulation Merchant
    Spring Savings
    External Use
    FENTRIM® IS 20 by SIGA

    SIGA Fentrim® IS 2 (Pre-folded External Corner Tape)

    From £56.80 inc. VAT
    £2.27 per LM (linear metre)
    From £47.33 ex. VAT
    £1.89 per LM (linear metre)
    From £56.80 inc. VAT
    £2.27 per LM (linear metre)
    Save £-56.80
    From £47.33 ex. VAT
    £1.89 per LM (linear metre)
    £0.00 Save £-47.33
  • SIGA Trestard® 420 black FR (Fire Rated Tape) - All Sizes | Insulation Merchant SIGA Trestard® 420 black FR (Fire Rated Tape) - All Sizes | Insulation Merchant
    Spring Savings
    Fire Rated
    TRESTARD® 420 by SIGA

    SIGA Trestard® 420 black FR (Fire Rated Tape) - All Sizes

    From £138.35 inc. VAT
    £5.53 per LM (linear metre)
    From £115.29 ex. VAT
    £4.61 per LM (linear metre)
    From £138.35 inc. VAT
    £5.53 per LM (linear metre)
    Save £-138.35
    From £115.29 ex. VAT
    £4.61 per LM (linear metre)
    £0.00 Save £-115.29
  • SIGA Meltell® 320 Black Hybrid Sealant (310ml cartridge) | Insulation Merchant SIGA Meltell® 320 Black Hybrid Sealant (310ml cartridge) | Insulation Merchant
    Spring Savings
    MELTELL® by SIGA

    SIGA Meltell® 320 Black Hybrid Sealant (310ml cartridge)

    £8.95 inc. VAT
    £28.87 per litres
    £7.46 ex. VAT
    £24.06 per litres
    £8.95 inc. VAT
    £28.87 per litres
    Save £-8.95
    £7.46 ex. VAT
    £24.06 per litres
    £0.00 Save £-7.46
  • Pro Clima Tescon Profect 50 (Pre-folded Corner Tape) - 30m x 50mm (12/38mm Split) | Insulation Merchant Pro Clima Tescon Profect 50 (Pre-folded Corner Tape) - 30m x 50mm (12/38mm Split) | Insulation Merchant
    Sale
    TESCON by Pro Clima

    Pro Clima Tescon Profect 50 (Pre-folded Corner Tape) - 30m x 50mm (12/38mm Split)

    £52.90 inc. VAT
    £1.76 per LM (linear metre)
    £44.08 ex. VAT
    £1.47 per LM (linear metre)
    £52.90 inc. VAT
    £1.76 per LM (linear metre)
    £53.64 Save £0.74
    £44.08 ex. VAT
    £1.47 per LM (linear metre)
    £44.70 Save £0.62
  • Pro Clima Contega Solido SL200 (Internal Single-sIded Corner Adhesive Tape) - 200mm x 30m | Insulation Merchant Pro Clima Contega Solido SL200 (Internal Single-sIded Corner Adhesive Tape) - 200mm x 30m | Insulation Merchant
    Sale
    CONTEGA SOLIDO SL by Pro Clima

    Pro Clima Contega Solido SL200 (Internal Single-sIded Corner Adhesive Tape) - 200mm x 30m

    £119.50 inc. VAT
    £99.58 ex. VAT
    £119.50 inc. VAT
    £122.76 Save £3.26
    £99.58 ex. VAT
    £102.30 Save £2.72
  • pro clima | Insulation Merchant
    Sale 83%
    AEROSANA VISCONN FIBRE by Pro Clima

    Pro Clima Aerosanna Visconn Fibre-reinforced Spray/Paintable Airtight Sealant Membrane

    From £14.05 inc. VAT
    From £11.71 ex. VAT
    From £14.05 inc. VAT
    £86.88 Save £72.83
    From £11.71 ex. VAT
    £72.40 Save £60.69
  • Intelligent Membranes PASSIVE PURPLE Internal Airtight Vapour Control Paint | Insulation Merchant Intelligent Membranes PASSIVE PURPLE Internal Airtight Vapour Control Paint | Insulation Merchant
    PASSIVE PURPLE - INTERNAL by Intelligent Membranes

    Intelligent Membranes PASSIVE PURPLE Internal Airtight Vapour Control Paint

    From £60.00 inc. VAT
    From £50.00 ex. VAT
    From £60.00 inc. VAT
    Save £-60.00
    From £50.00 ex. VAT
    £0.00 Save £-50.00
  • SIGA Primur® Cartridge Bonding Adhesive (310ml) | Insulation Merchant SIGA Primur® Cartridge Bonding Adhesive (310ml) | Insulation Merchant
    Spring Savings
    PRIMUR® by SIGA

    SIGA Primur® Cartridge Bonding Adhesive (310ml)

    £12.75 inc. VAT
    £41.13 per litres
    £10.63 ex. VAT
    £34.27 per litres
    £12.75 inc. VAT
    £41.13 per litres
    Save £-12.75
    £10.63 ex. VAT
    £34.27 per litres
    £0.00 Save £-10.63
  • 60mm SOUDAL Soudatape Flex (Airtight tape) - 25m | Insulation Merchant
    SOUDATAPE by SOUDAL

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

    £18.90 inc. VAT
    £0.75 per LM (linear metre)
    £15.75 ex. VAT
    £0.63 per LM (linear metre)
    £18.90 inc. VAT
    £0.75 per LM (linear metre)
    £18.90 Save £0.00
    £15.75 ex. VAT
    £0.63 per LM (linear metre)
    £15.75 Save £0.00
  • Pro Clima Orcon Multibond - Membrane Adhesive Strip Roll (Pack of 2) | Insulation Merchant Pro Clima Orcon Multibond - Membrane Adhesive Strip Roll (Pack of 2) | Insulation Merchant
    Sale 4%
    ORCON by Pro Clima

    Pro Clima Orcon Multibond - Membrane Adhesive Strip Roll (Pack of 2)

    £56.00 inc. VAT
    £2.80 per LM (linear metre)
    £46.67 ex. VAT
    £2.33 per LM (linear metre)
    £56.00 inc. VAT
    £2.80 per LM (linear metre)
    £58.92 Save £2.92
    £46.67 ex. VAT
    £2.33 per LM (linear metre)
    £49.10 Save £2.43
  • Pro Clima Glumex - Adhesive Remover (400ml) | Insulation Merchant
    Sale 5%
    GLUMEX by Pro Clima

    Pro Clima Glumex - Adhesive Remover (400ml)

    £11.85 inc. VAT
    £9.88 ex. VAT
    £11.85 inc. VAT
    £12.48 Save £0.63
    £9.88 ex. VAT
    £10.40 Save £0.53
  • 60mm SOUDAL Soudatape Facade (UV-resistant airtight tape) - 25m | Insulation Merchant
    SOUDATAPE by SOUDAL

    60mm SOUDAL Soudatape Facade (UV-resistant airtight tape) - 25m

    £24.70 inc. VAT
    £0.98 per LM (linear metre)
    £20.58 ex. VAT
    £0.82 per LM (linear metre)
    £24.70 inc. VAT
    £0.98 per LM (linear metre)
    £24.70 Save £0.00
    £20.58 ex. VAT
    £0.82 per LM (linear metre)
    £20.58 Save £0.00
  • SIGA Wigluv® 150 External Adhesive Tape - (150mm x 25m) | Insulation Merchant SIGA Wigluv® 150 External Adhesive Tape - (150mm x 25m) | Insulation Merchant
    Spring Savings
    WIGLUV® 150 by SIGA

    SIGA Wigluv® 150 External Adhesive Tape - (150mm x 25m)

    £84.80 inc. VAT
    £3.39 per LM (linear metre)
    £70.67 ex. VAT
    £2.83 per LM (linear metre)
    £84.80 inc. VAT
    £3.39 per LM (linear metre)
    Save £-84.80
    £70.67 ex. VAT
    £2.83 per LM (linear metre)
    £0.00 Save £-70.67
  • SIGA | Insulation Merchant
    Spring Savings
    External Use
    FENTRIM® 2 by SIGA

    SIGA Fentrim® 2 (Pre-folded External Corner Tape) - All sizes

    From £69.35 inc. VAT
    £2.77 per LM (linear metre)
    From £57.79 ex. VAT
    £2.31 per LM (linear metre)
    From £69.35 inc. VAT
    £2.77 per LM (linear metre)
    Save £-69.35
    From £57.79 ex. VAT
    £2.31 per LM (linear metre)
    £0.00 Save £-57.79
  • SIGA Wigluv® black 20/40 Split External Adhesive Tape (60mm x 25m) | Insulation Merchant SIGA Wigluv® black 20/40 Split External Adhesive Tape (60mm x 25m) | Insulation Merchant
    Spring Savings
    WIGLUV® BLACK 20/40 by SIGA

    SIGA Wigluv® black 20/40 Split External Adhesive Tape (60mm x 25m)

    £60.45 inc. VAT
    £2.41 per LM (linear metre)
    £50.38 ex. VAT
    £2.02 per LM (linear metre)
    £60.45 inc. VAT
    £2.41 per LM (linear metre)
    Save £-60.45
    £50.38 ex. VAT
    £2.02 per LM (linear metre)
    £0.00 Save £-50.38
  • SIGA Farmer Waterproof High Performance Multi-purpose Tape - 60mm x 15m | Insulation Merchant SIGA Farmer Waterproof High Performance Multi-purpose Tape - 60mm x 15m | Insulation Merchant
    Spring Savings
    FARMER by SIGA

    SIGA Farmer Waterproof High Performance Multi-purpose Tape - 60mm x 15m

    £21.90 inc. VAT
    £1.46 per LM (linear metre)
    £18.25 ex. VAT
    £1.22 per LM (linear metre)
    £21.90 inc. VAT
    £1.46 per LM (linear metre)
    Save £-21.90
    £18.25 ex. VAT
    £1.22 per LM (linear metre)
    £0.00 Save £-18.25
  • Pro Clima Extoseal Encors - 300mm x 20m | Insulation Merchant Pro Clima Extoseal Encors - 300mm x 20m | Insulation Merchant
    Sale
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 300mm x 20m

    £276.90 inc. VAT
    £13.84 per LM (linear metre)
    £230.75 ex. VAT
    £11.54 per LM (linear metre)
    £276.90 inc. VAT
    £13.84 per LM (linear metre)
    £284.40 Save £7.50
    £230.75 ex. VAT
    £11.54 per LM (linear metre)
    £237.00 Save £6.25