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Pro Clima Intello Plus now BBA & NHBC approved!

Wednesday 8th July 2015

We are pleased to officially confirm that the Pro Clima Intelligent Airtightness system, including the Pro Clima Intello Plus intelligent airtightness and vapour control membrane, has met all the requirements set out by both the BBA (British Board of Agrément) and the NHBC. This compliments the existing Irish Agrément Certificate providing specifiers, installers and homeowners with unsurpassed reassurance.

Pro Clima Intello Plus now BBA & NHBC approved! Pro Clima Intello Plus now BBA & NHBC approved! Pro Clima Intello Plus now BBA & NHBC approved!

We are pleased to officially confirm that the Pro Clima Intelligent Airtightness system, including the Pro Clima Intello Plus intelligent airtightness and vapour control membrane, has met all the requirements set out by both the BBA (British Board of Agrément) and the NHBC. This compliments the existing Irish Agrément Certificate providing specifiers, installers and homeowners with unsurpassed reassurance.

BBA is the UK’s major authority, offering approval and inspection services to manufacturers, installers, construction products and systems. BBA certification is only awarded after systems or products have successfully passed a broad assessment involving laboratory testing, on-site evaluations and production inspections.

Niall Crosson, Senior Engineer with Ecological Building Systems comments: 

“Receiving BBA certification for the Pro Clima Intelligent Airtightness system reinforces the unsurpassed standards set by Pro Clima in the manufacture and delivery of durable airtightness solutions which are fit for purpose and last the lifetime of the building. Pro Clima have already received independent tests to confirm an expected lifespan for their tapes of at least 100 years. Pro Clima are pioneers not only in delivering Intelligent airtight solutions, but combining this with optimum protection against condensation and mould growth by utilising intelligent membrane technology. Receiving BBA certification provides specifiers, engineers and homeowners with even more reassurance that the pro clima Intelligent Airtightness system will assist in delivering a robust airtight result.”

BBA approval certificate
BBA approval certificate
Intello airtight membrane and airtight tape.

Attaining NHBC acceptance for the use of Intello Plus will also prove most beneficial to homeowners, designers, timer frame manufacturers and installers. During the assessment process Pro Clima Intello Plus was evaluated in a range of constructions where Intello’s unique intelligent vapour control properties provide unsurpassed safety against condensation. This included unventilated flat roofs. The advanced hygrothermal simulation programme, WUFI, was used to carry out assessments in accordance with BS 15026, based on British climate data. BS EN 15026 defines the practical application of hygrothermal simulation software used to predict one- dimensional transient heat and moisture transfer in multi-layer building envelope components subjected to non steady climate conditions on either side. In contrast to the steady-state assessment of interstitial condensation by the Glaser method (as described in EN ISO 13788), transient hygrothermal simulation provides more detailed and accurate information on the risk of moisture problems within building components and on the design of remedial treatment. While the Glaser method considers only steady-state conduction of heat and vapour diffusion, the transient models covered in this standard take account of heat and moisture storage, latent heat effects, and liquid and convective transport under realistic boundary and initial conditions. The application of such models has become widely used in building practice in recent years, resulting in a significant improvement in the accuracy and reproducibility of hygrothermal simulation (BSI 2007). 

In the development of the BBA certificate it became clear that there is still some confusion on the market in relation to airtightness and its relationship with vapour control. To assist in addressing this, Ecological Building Systems in conjunction with the BBA will be hosting a series of information briefings throughout the UK early next year. More details will be available on our website later this year.

Intello airtight membrane fixed over Celenit wood wool boards
Intello airtight membrane fixed over Celenit wood wool boards
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