Walltite spray foam roof insulation for Dorset’s first Passivhaus project
BASF Polyurethane UKcontact supplier
Walltite spray foam insulation
Walltite used to insulate the roof of a house in Poole, helping it achieve air-tight insulation standards required for Passivhaus certification.
The Project: five bedroom house in Poole that makes maximum use of all interior space, with the roof space being used to accommodate an office and a bedroom with en suite facilities.
The property is a privately owned residence where the owner had made the decision to build to Passivhaus standards as a cost-effective way to achieve near-zero running costs for the house.
Thermal insulation was critical and the roof achieves its required U-value using a combination of
- PIR board above
- layer of Walltite between the rafters
BASF Approved Contractor Isotech applied Walltite to the 160m2 area of the roof in just two days.
Northcroft construction consultants is acting as Project Manager, Employers Agent and Quantity Surveyors on the project.
Project Manager Jonathan Dronsfield said, ’We were very impressed by the speed of the installation: Walltite was the best solution to combine thermal insulation with airtightness, particularly in hard to reach locations where traditional techniques would be unlikely to achieve the required standard’.
- spray applied polyurethane foam
- applied in a continuous spray
- fast to apply
- quick to cure
- creates an airtight building envelope
BASF has a network of approved contractors throughout the UK
- all have completed a rigorous training programme
- committed to regular top-up training and assessment
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