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Pro Clima TESCON VANA is a versatile, high-performance adhesive tape for creating secure and permanent airtight seals around membranes, timber and smooth, non-mineral surfaces.
It is ideal for sealing overlaps and joints between intelligent vapour control layers, airtightness membranes, roof underlays and wall membranes. It can also be used to seal butt joints between wood-based panels, including OSB, MDF and wood fibre softboards such as GUTEX. When used with wood fibreboards, TESCON Primer RP is recommended.
The tape is supplied with a release paper for easy handling and installation, making it a practical choice for airtightness detailing.
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We design and deliver integrated building performance systems for Passivhaus and low-energy homes across the UK. From design to site commissioning, we help create energy-efficient spaces.

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21 Degrees is a trading name of GoEco Renewables Limited, our FCA registration number is 1003260. GoEco Renewables Limited is an Appointed Representative of Shermin Finance Limited who are authorised and regulated by the Financial Conduct Authority, FCA registration 727594. Shermin Finance Limited is the broker not the lender and offers credit products from a panel of lenders. The permissions of Shermin Finance Ltd as a principal firm allow GoEco Renewables Limited to undertake credit broking. Credit provided subject to age, status and affordability. Minimum spend applies.