Polymer vapor barrier AIRTIGHT WHITE BIG BOY BUNDLE

VOC-free liquidfor wallfor floor

Overview
The Airtight White Big Boy Bundle provides the Airtight White VOC-free, water-based vapour control membrane in a single pack to create a continuous, paintable airtight and vapour control layer across walls, floors and ceilings. Suitable for new-build and retrofit projects and for situations where the airtight layer may remain visible.

Key features

• VOC-free, water-based vapour control membrane applied as a paint
• Forms a continuous, paintable airtight layer across walls, floors and ceilings
• Suitable for both new build and retrofit applications
• Can be left on show with a paintable/visible finish
• Supplied as a convenient bundle containing Airtight White and installation items (bundle contents specified by the merchant)

Related guides (titles)

• What Is a Vapour Control Layer? | VCL Explained
• My Builder Forgot the Vapour Control Layer? Here’s How to Fix It
• What is Airtightness (and Why It Matters for Net Zero Buildings)

System / Technical description
Intelligent Membranes specialises in liquid-applied systems for airtightness and waterproofing targets. The company’s flagship airtight system, Passive Purple®, is engineered to be airtight under normal conditions while allowing vapour release when required, a principle described as intelligent breathability. Airtight White is a water-based vapour control membrane in this product family, designed to form continuous vapour control and airtight layers when applied as a coating.

Shipping & returns (summary)
Delivery charges may apply; the merchant displays delivery thresholds and messaging (for example “£10 delivery applies” and a free-delivery threshold). The seller indicates a policy to assist customers with returns if items are unsuitable or incorrect; full return conditions are available on the merchant’s returns guidance pages.

Technical specifications

• Brand: Intelligent Membranes
• Product: Airtight White (vapour control membrane, liquid-applied paint)
• Commercial name / model: Airtight White Big Boy Bundle
• Formulation: VOC-free, water-based
• Application: walls, floors, ceilings
• Function: create continuous, paintable airtight and vapour control layer
• Usage: suitable for new build and retrofit projects
• Finish: paintable; can be left on show
• Bundle: sold as a pack (specific contents not listed on product page)
• Price displayed: €1,010.95 EUR (excl. VAT)
• Product ID: 12256877936980
• Variant ID: 52608800063828
• Availability: Sold out indicated on page
• Trademark referenced: Passive Purple®