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JULY 05 - ROLE FOR PLASTIC IN EXEMPLAR SUSTAINABILITY DEVELOPMENT

The largest demonstration project for energy efficient, sustainable housing in the UK, now under construction by Taylor Woodrow and Redrow Homes, is using plastic to help achieve its objectives.

Stamford Brook in Altrincham will provide 700 homes ranging from affordable town houses and flats to four-bedroomed detached houses over the next five years, on land formerly owned by the National Trust on the edge of the Dunham Massey estate. The development, which is a "Partners in Innovation" project, led by Leeds Metropolitan University, will provide a research facility for monitoring and evaluation for 2008 Part L Building Regulations, the Office of the Deputy Prime Minister, and the DTI. It includes the use of stepped and horizontal abutment trays from Z-Led.

The polypropylene AT abutment trays are specifically designed to provide a preformed cavity tray where the blockwork abuts a wall, ensuring any moisture that penetrates the outer leaf of the building does not run down and into the home and create a damp problem. NHBC Standards specifically recommend the use of preformed abutment cavity trays.

Z-Led HT horizontal trays, also manufactured from polypropylene, avoid the need to build inner and outer leaves together and line up bed joints in brickwork and blockwork leaves. Z-Led's HT trays are designed to interlock, ensuring an overlap of at least 100mm as recommended by British Standards.

The AT an HT trays are being supplied in a selection of sizes, to accommodate different roof pitches and course heights, and prevent water ingress through brick- and blockwork abutments.

Robert Black, regional estimator for Taylor Woodrow, commented, "It was logical to have a single source of supply for ourselves and Redrow. It is an exemplar development for sustainability so, for example, we are limiting the use of PVC, but we also need to ensure the development meets, and surpasses, Building Regulations in all aspects.

"Z-Led was chosen because of the company's record of recycling production waste, use of materials with low or zero production pollutants, and the breadth of design, technical and installation advice."

Z-Led is part of the Building Product Design Group, which specialises in developing innovative yet practical products for roofing, ventilation and damp proofing in line with changing market requirements.

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