Project Description

POWERLON® Roof & wall membranes

Fairfax Homes Perrymount Apartments

Ultrablock enhances durability and energy efficiency at prestigious apartment project
ITP’s Ultrablock reflective vapour control layer was supplied for a prestigious build-to-rent apartment development aimed at the London commuter market.

The Perrymount Apartments complex is located close to Haywards Heath Station in Sussex, 30 miles from the centre of London. Designed by Broadway Malyan, the mixed-use scheme by Fairfax Homes comprises 145 apartments offering one, two and three bedroom living alongside 900sqm of commercial office space. The project forms part of a wide range of redevelopment around the town’s train station.

Four, seven storey residential buildings follow the natural gradient of the site to differentiate the roof line of the scheme and to reduce the requirement for access via ramps and steps. Most of the scheme features multi-red brick to blend with the existing streetscape while the top two storeys are clad with bespoke folded metal and filigree panels, contrasting with the brick and referencing the proximity of the railway lines.

Ultrablock became part of the build specification when it was ordered via the East Grinstead branch of Parker Building Supplies. ITP’s advanced membrane is being used to provide a thermo-reflective air barrier and vapour control layer, incorporating encapsulated aluminium foil or metallised barrier layers to maximise energy efficiency. The reflective foil surface improves the insulation characteristics of the installation, reflecting heat back into the building.

ITP Account Manager, Marisa Schofield, said:

“Utrablock is an outstanding solution which provides two valuable functions – it protects a building’s long-term condition while improving the energy performance of the building envelope. The product offers exceptional water vapour resistance and has a reflective foil layer for enhanced retention of thermal energy. Perrymount Apartments is one of countless high quality residential projects to utilise Utrablock’s performance attributes.

“We are pleased to have supplied another specification via Parker Building Supplies, a multiple award-winning company which is part of the Independent Builders Merchant Group. ITP are established as a trusted supplier to many companies within the Independent Builders Merchant Group, which has become the largest independent merchant business in the South of England.”

Utlrablock is one of a wide range of solutions which ITP have developed for the built environment. Other products include breather membranes, roofing underlays, house wraps, UV-resistant façade membranes, and ground barrier membranes. ITP supplies breather membranes and vapour control layers in flame retardant grades which are independently certified to provide limited combustibility ratings of Euroclass A2-s1, d0 and Euroclass B,s3-d0.

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Project Details


Apartment development


Haywards Heath


Vapour control layer


Broadway Malyan


Fairfax Homes

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