Airtight White Big Boy Bundle

Name: Airtight White Big Boy Bundle
Brand: Intelligent Membranes
SKU: IM/00ATWBBB
Price: 564.93 GBP
Availability: InStock

£564.93 GBP

excl. VAT

The Airtight White Big Boy Bundle brings together our VOC-free, water-based Airtight White vapour control membrane in one convenient pack — everything you need to create a continuous, paintable airtight and vapour control layer across walls, floors and ceilings. Ideal for new build and retrofit projects, including areas where the airtight layer is left on show.

Related Guides

Helpful guides related to this product:

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.

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

For architects and specifiers

How to specify this product

The NBS clauses and Uniclass codes this product is specified under, with clause wording you can paste straight into your specification.

NBS clauses

P10/310Air and vapour control layer
H92/780Air and vapour control layer

Uniclass 2015

Pr_25_57_65_60Plastics sheets

View on NBS Source Get specification support

Clause wording

AIR AND VAPOUR CONTROL LAYER – EXPOSED WHITE FINISH
Manufacturer: Intelligent Membranes Ltd, Cambridge. Tel 01223 208174. intelligentmembranes.com
Product reference: Airtight White liquid-applied airtight vapour control membrane, spray/roller grade, with Airtight White Brush for joints, junctions and penetrations.
Certification: BBA certified. Passivhaus certified.
Use: Internal airtight and vapour control layer; may be left exposed as the white finished surface.
Detailing: Airtight White Brush applied first to joints, junctions, frames and service penetrations.
Installation: In accordance with the manufacturer's current technical data sheet and installation guide.
Testing: Verify airtightness by pressure test on completion.

Check against the current technical data sheet before issue. Certificates are in the Downloads tab.

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