PROVAC’s vents act as pressure valves to control the air flow beneath the membrane, which has a tensile strength of ?1050N, and tear resistance of ?210N.

The complete waterproofing system is designed to withstand harsh weather conditions and provide a modern appearance to the new quarter, consisting of 180 apartments and penthouses.

The company uses its specialist software to calculate the exact quantity of material required to cover the roof, cutting costs and reducing waste material.

Hydrotech was used on an area covering 1800m2 to provide waterproofing and is manufactured using 10% post-consumer recycled material and is BBA accredited.

NARM Technical Documents can be downloaded from the company’s website www.narm.org.uk

The product has met all the requirements set out by the BBA under the European Technical Approval Guideline 031, and now offers the lowest design lambda of any inverted roofboard manufactured in the UK. The design thermal conductivity of the boards is 0.034 W/mK for thickness greater than or equal to 10mm and the product[…]

The company won the title of ‘Best Eco Product’ at the Build It Awards 2013, in addition to ‘Best Building Fabric Product’ and ‘Product of the Year’ at the Housebuilder Product Awards with its Hi-Therm Sustainability Lintel, that is 500% more thermally efficient than normal cavity lintels. The last achievement for the company came at[…]