Airtight & Windtight Systems

Airtightness and Widtightness are essential aspects to consider when building or renovating. Air leakage into and out of a property can be detrimental to the thermal performance of insulation. Creating an airtight seal in the property helps minimize heat loss or gain and eliminates drafts ensuring a consistent indoor temperature. It also helps eliminate the entry of pollutants, allergens, and moisture, resulting in a healthier indoor environment. 

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Airtight & Windtight Systems

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  • SIGA Corvum® 30/30 - Pre-folded Corner Adhesive Tape (60mm x 25m) | Insulation Merchant SIGA Corvum® 30/30 - Pre-folded Corner Adhesive Tape (60mm x 25m) | Insulation Merchant
    Spring Savings
    CORVUM® by SIGA

    SIGA Corvum® 30/30 - Pre-folded Corner Adhesive Tape (60mm x 25m)

    £49.25 inc. VAT
    £1.97 per LM (linear metre)
    £41.04 ex. VAT
    £1.64 per LM (linear metre)
    £49.25 inc. VAT
    £1.97 per LM (linear metre)
    Save £-49.25
    £41.04 ex. VAT
    £1.64 per LM (linear metre)
    £0.00 Save £-41.04
  • Pro Clima Extoseal Encors - 150mm x 20m | Insulation Merchant Pro Clima Extoseal Encors - 150mm x 20m | Insulation Merchant
    Sale
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 150mm x 20m

    £136.50 inc. VAT
    £113.75 ex. VAT
    £136.50 inc. VAT
    £140.28 Save £3.78
    £113.75 ex. VAT
    £116.90 Save £3.15
  • Pro Clima Kaflex Multi - Airtight Cable Grommet (Pack of 10) | Insulation Merchant Pro Clima Kaflex Multi - Airtight Cable Grommet (Pack of 10) | Insulation Merchant
    Sale
    KAFLEX by Pro Clima

    Pro Clima Kaflex Multi - Airtight Cable Grommet (Pack of 10)

    £104.90 inc. VAT
    £10.49 per ea
    £87.42 ex. VAT
    £8.74 per ea
    £104.90 inc. VAT
    £10.49 per ea
    £106.20 Save £1.30
    £87.42 ex. VAT
    £8.74 per ea
    £88.50 Save £1.08
  • Pro Clima Roflex 150 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant Pro Clima Roflex 150 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant
    Sale 11%
    ROFLEX by Pro Clima

    Pro Clima Roflex 150 - Airtight Pipe Grommet (Pack of 10)

    £60.40 inc. VAT
    £6.04 per ea
    £50.33 ex. VAT
    £5.03 per ea
    £60.40 inc. VAT
    £6.04 per ea
    £68.40 Save £8.00
    £50.33 ex. VAT
    £5.03 per ea
    £57.00 Save £6.67
  • SIGA Fentrim® 20 50/85 (Pre-folded Internal Corner Tape) - 25m | Insulation Merchant SIGA Fentrim® 20 50/85 (Pre-folded Internal Corner Tape) - 25m | Insulation Merchant
    Spring Savings
    FENTRIM® 20 by SIGA

    SIGA Fentrim® 20 50/85 (Pre-folded Internal Corner Tape) - 25m

    £87.40 inc. VAT
    £3.49 per LM (linear metre)
    £72.83 ex. VAT
    £2.91 per LM (linear metre)
    £87.40 inc. VAT
    £3.49 per LM (linear metre)
    Save £-87.40
    £72.83 ex. VAT
    £2.91 per LM (linear metre)
    £0.00 Save £-72.83
  • Pro Clima Solitex Plus Connect - Vapour Permeable Membrane + Pre-applied Tape (1.5m x 50m 75m²) | Insulation Merchant Pro Clima Solitex Plus Connect - Vapour Permeable Membrane + Pre-applied Tape (1.5m x 50m 75m²) | Insulation Merchant
    Sale

    5.0

    SOLITEX PLUS by Pro Clima

    Pro Clima Solitex Plus Connect - Vapour Permeable Membrane + Pre-applied Tape (1.5m x 50m 75m²)

    £338.30 inc. VAT
    £4.51 per m²
    £281.92 ex. VAT
    £3.76 per m²
    £338.30 inc. VAT
    £4.51 per m²
    £344.16 Save £5.86
    £281.92 ex. VAT
    £3.76 per m²
    £286.80 Save £4.88
  • 3m Pro Clima Intello Plus - Vapour Check Membrane (50m) | Insulation Merchant 3m Pro Clima Intello Plus - Vapour Check Membrane (50m) | Insulation Merchant
    Sale 10%
    INTELLO PLUS by Pro Clima

    3m Pro Clima Intello Plus - Vapour Check Membrane (50m)

    £535.90 inc. VAT
    £3.57 per m²
    £446.58 ex. VAT
    £2.98 per m²
    £535.90 inc. VAT
    £3.57 per m²
    £598.20 Save £62.30
    £446.58 ex. VAT
    £2.98 per m²
    £498.50 Save £51.92
  • SIGA Hard Rubber Roller for tape sealing | Insulation Merchant
    Spring Savings
    by SIGA

    SIGA Hard Rubber Roller for tape sealing

    £23.25 inc. VAT
    £19.38 ex. VAT
    £23.25 inc. VAT
    Save £-23.25
    £19.38 ex. VAT
    £0.00 Save £-19.38
  • Pro Clima Extoseal Magov Butyl Tape (60mm x 10m) | Insulation Merchant Pro Clima Extoseal Magov Butyl Tape (60mm x 10m) | Insulation Merchant
    Sale 5%
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Magov Butyl Tape (60mm x 10m)

    £38.50 inc. VAT
    £3.85 per LM (linear metre)
    £32.08 ex. VAT
    £3.21 per LM (linear metre)
    £38.50 inc. VAT
    £3.85 per LM (linear metre)
    £40.56 Save £2.06
    £32.08 ex. VAT
    £3.21 per LM (linear metre)
    £33.80 Save £1.72
  • Pro Clima Roflex 30 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant Pro Clima Roflex 30 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant
    Sale 11%
    ROFLEX by Pro Clima

    Pro Clima Roflex 30 - Airtight Pipe Grommet (Pack of 10)

    £37.74 inc. VAT
    £3.77 per ea
    £31.45 ex. VAT
    £3.15 per ea
    £37.74 inc. VAT
    £3.77 per ea
    £42.84 Save £5.10
    £31.45 ex. VAT
    £3.15 per ea
    £35.70 Save £4.25
  • Pro Clima Roflex 200 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant Pro Clima Roflex 200 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant
    Sale
    ROFLEX by Pro Clima

    Pro Clima Roflex 200 - Airtight Pipe Grommet (Pack of 10)

    £81.90 inc. VAT
    £8.19 per ea
    £68.25 ex. VAT
    £6.83 per ea
    £81.90 inc. VAT
    £8.19 per ea
    £82.92 Save £1.02
    £68.25 ex. VAT
    £6.83 per ea
    £69.10 Save £0.85
  • 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 Roflex 50 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant Pro Clima Roflex 50 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant
    Sale 5%
    ROFLEX by Pro Clima

    Pro Clima Roflex 50 - Airtight Pipe Grommet (Pack of 10)

    £40.60 inc. VAT
    £4.06 per ea
    £33.83 ex. VAT
    £3.38 per ea
    £40.60 inc. VAT
    £4.06 per ea
    £42.84 Save £2.24
    £33.83 ex. VAT
    £3.38 per ea
    £35.70 Save £1.87
  • 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 Roflex Solido 100 - Airtight Pipe Grommet (Pack of 6) | Insulation Merchant Pro Clima Roflex Solido 100 - Airtight Pipe Grommet (Pack of 6) | Insulation Merchant
    ROFLEX SOLIDO by Pro Clima

    Pro Clima Roflex Solido 100 - Airtight Pipe Grommet (Pack of 6)

    £38.65 inc. VAT
    £6.44 per ea
    £32.21 ex. VAT
    £5.37 per ea
    £38.65 inc. VAT
    £6.44 per ea
    Save £-38.65
    £32.21 ex. VAT
    £5.37 per ea
    £0.00 Save £-32.21
  • 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
  • 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
  • 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
  • Pro Clima Solitex Fronta Humida - Wall Lining Membrane (1.5m x 50m) | Insulation Merchant Pro Clima Solitex Fronta Humida - Wall Lining Membrane (1.5m x 50m) | Insulation Merchant
    SOLITEX FRONTA HUMIDA by Pro Clima

    Pro Clima Solitex Fronta Humida - Wall Lining Membrane (1.5m x 50m)

    £268.90 inc. VAT
    £3.58 per m²
    £224.08 ex. VAT
    £2.99 per m²
    £268.90 inc. VAT
    £3.58 per m²
    Save £-268.90
    £224.08 ex. VAT
    £2.99 per m²
    £0.00 Save £-224.08