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Blowerproof Liquid Spray is a VOC free polymer-based liquid,  applied with an airless paint spray device, it is clean and quick to apply and creates a continuous, flexible and permanent airtight coating. Blowerproof Liquid Spray can be used on almost any substrate demonstrating superb adhesion on different surfaces such as concrete, brick, wood, metal etc. Used with Blowerproof Liquid Brush for ‘cutting in’ penetrations and connections Blowerproof Liquid Spray is a perfect way to ensure airtightness in both new build and retrofit.

The water-based polymer is spray applied to create an uninterrupted continuous, air and vapour -tight seal on a wide range of surfaces, and for floor/wall connections, wall/ceiling joints, and roof connections.

Blowerproof liquid Spray creates a seamless, continuous air and vapour -tight seal over cracks and gaps. Because the seal perfectly follows the contours of the substrate and in combination with the high flexibility and superior adhesion, the connections remain airtight over the long term. Blowerproof liquid Spray is the fast, flexible and durable solution for all airtight connections.

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- BLOWERPROOF® LIQUID is certified as permanent airtightness, intelligent vapour control and radon barrier by the BBA and the Passive House Institute.
- The intelligent vapour control characteristic of BLOWERPROOF® LIQUID prevents moisture migration into the applied surface (Sd value between 20 and30) however allows excess humidity to escape. (BBA)

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Weight: 10kg
Average consumption: 0,5 - 1 kg/m² (indicative, depending on substrate)
Density: +/- 1,15 kg / litre
Indicative drying time: 0.5 to 24 hours (depending on substrate temperature, air humidity, applied layer thickness and ventilation)
Storage: 5 – 20 °C; stored dry, out of direct sunlight; conservation: 12 months from date of production, original unopened packaging.

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Applications:
- Blockwork, masonry, brickwork, concrete, steel etc.
- Service penetrations, pipes, cable, ducting etc.
- Floor to wall junctions
- Ceiling to wall junctions
- Window/door jambs
- Steel decks

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