Airtight & Windtight Membranes.

Airtightness and Widtightness are important 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 with an airtight & windtight membrane can prevent cold air from entering and hot air from escaping. 

We also have a range of airtight tapes and accessories to go along with the airtightness membranes.

SIGA Wetguard® 200 SA - 780mm x 50mSIGA Wetguard® 200 SA - 780mm x 50m
SIGA Wetguard® 200 SA - 780mm x 50m
£382.25
[[start desc]] The diffusion open, robust and non-slippery membrane is suitable for use as moisture protection for timber...
SIGA Wetguard® 200 SA - 1560mm x 50mSIGA Wetguard® 200 SA - 1560mm x 50m
SIGA Wetguard® 200 SA - 1560mm x 50m
£764.35
[[start desc]] The diffusion open, robust and non-slippery membrane is suitable for use as moisture protection for timber...
SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50mSIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m
SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m
£240.00
[[start desc]] The diffusion-open layer can withstand driving rain and is suitable as a breathable membrane for external...
SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)
SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)
£220.90
[[start desc]] The diffusion-open layer can withstand driving rain and is suitable as a breathable membrane for external...
SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)
SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)
Out of stock
[[start desc]] SIGA Majpell® 25 is a vapour control layer suitable for establishing an airtight layer with conventional...
SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (0.46m x 30.5m)SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (0.46m x 30.5m)
SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (0.46m x 30.5m)
£575.95
[[start desc]] SIGA Majvest® 500 SA is an external, wall membrane designed for behind sealed facades. This self-adhesive...
SIGA Wetguard® 200 SA - 780mm x 50mSIGA Wetguard® 200 SA - 780mm x 50m
WETGUARD®
SIGA Wetguard® 200 SA - 780mm x 50m
£382.25 inc. VAT
£318.54 ex. VAT
SIGA Wetguard® 200 SA - 1560mm x 50mSIGA Wetguard® 200 SA - 1560mm x 50m
WETGUARD®
SIGA Wetguard® 200 SA - 1560mm x 50m
£764.35 inc. VAT
£636.96 ex. VAT
SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50mSIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m
MAJCOAT® 150
SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m
£240.00 inc. VAT
£200.00 ex. VAT
SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)
MAJCOAT® 150
SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)
£220.90 inc. VAT
£184.08 ex. VAT
SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)
MAJPELL® 25
SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)
£224.70 inc. VAT
£187.25 ex. VAT
SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (0.46m x 30.5m)SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (0.46m x 30.5m)
MAJVEST® 500 SA
SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (0.46m x 30.5m)
£575.95 inc. VAT
£479.96 ex. VAT
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