Skip to product information
1 of 3
Accreditation Badge

Passivhaus Airtight Sealant - 600ml

Passivhaus Airtight Sealant - 600ml

Regular price £12.00 GBP
Regular price Sale price £12.00 GBP
Sale Sold out

Passive Purple Sealant Tubes – Perfect for Airtight Sealing of Gaps in the Building Fabric

Passive Purple in convenient sealant tubes is the ultimate solution for air-sealing gaps and cracks in the building fabric, ensuring airtightness and improved energy efficiency. This flexible, liquid-applied sealant is specifically formulated for quick and easy application, making it ideal for sealing joints, penetrations, and gaps in walls, floors, and ceilings. Designed to meet the highest airtightness standards, Passive Purple helps reduce energy loss and is suitable for both new-build and retrofit projects.

Key Features and Benefits:

  • Efficient Airsealing: Passive Purple sealant is ideal for sealing gaps and cracks in the building envelope, creating an airtight barrier that prevents air leakage and improves thermal performance. Perfect for use around windows, doors, service penetrations, and joints.
  • Quick and Easy Application: Sealant tubes allow Passive Purple to be applied directly into gaps and joints using a standard caulking gun, providing precise control and a smooth, seamless finish.
  • Versatile Use: Suitable for a wide range of substrates including timber, concrete, brick, and plasterboard.
  • Durable and Long-Lasting: Once applied, Passive Purple forms a flexible, durable seal that accommodates building movement and environmental changes while maintaining airtightness.
  • Energy Efficiency: By eliminating air leaks, Passive Purple helps reduce energy loss, lowers heating and cooling costs, and supports energy-efficient, sustainable construction.

Why Choose Passive Purple in Sealant Tubes?

  • Precision Application: Sealant tubes allow targeted application, ensuring even the smallest gaps are effectively sealed.
  • Improved Energy Performance: Sealing gaps with Passive Purple significantly reduces air infiltration, improving comfort and overall thermal performance.
  • Perfect for Retrofit and New Builds: Whether sealing a new building or upgrading an existing structure, Passive Purple sealant tubes offer a practical and reliable airtightness solution.

Achieve superior airtightness with Passive Purple Sealant Tubes — an easy-to-use, flexible solution for sealing gaps in the building fabric. Ideal for improving energy efficiency and sealing joints in both new and retrofit projects, Passive Purple delivers a durable, long-lasting airtight seal.

Each sausage covers approximately 6 linear metres.

Quantity
  • Details
  • Download
  • FAQ

Key Points:

  • 600ml joist Seal
  • Supplied in Box of 12
  • Fast application
  • Airtight membrane
  • Use for: joist ends and straight connection joints
  • Easy to use
  • A 600ml sausage will do roughly 6 l/m

At Intelligent Membranes, we help architects, contractors, retrofitters and self-builders achieve airtightness and waterproofing targets with liquid-applied systems. Our flagship airtight system, Passive Purple®, is airtight at all times yet breathable when the building fabric needs to release vapour — we call this intelligent breathability.

Read more...

Shipping & returns summary

We, at Intelligent Membranes, would like you to be 100% satisfied with your purchase and our service. In the unfortunate event of any item being unsuitable or wrong, please read the following for advice on returning goods to us.

View full details

Discover which Intelligent Membranes product best fits your build with our handy comparison table.

Watch Passivhaus Airtight Sealant - 600ml in Action