Britannia Site Solutions Limited

Broadfields School

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Specification

Roof

Nature roof consisting of 25mm recycled plastic drainage layer.
Polypropylene filter fleece.
70mm minimum depth growing substrate.
Prepared seed material 50 – 100g/m3
Aluminium Standing Seam 0.9mm gauge, 400mm cover width and 65mm high seams in natural stucco embossed finish.
Thermal Insulation 2 x 100mm layers plus 32 material to achieve 0.15 U Value.
Acoustic Insulation 30mm Semi-rigid slab 100kg/m2 density tissue faced.
Reinforced polythene vapour control layer.
Structural Decking 1.0mm gauge, 780mm cover width 153mm deep profile and web perforated RR20 white finish.
Aluminium rainwater goods.
Aluminium Fascia Flashing 2.0mm gauge and width polyester Paint Finish to RAL 7016.
Electrically operated velux Roof Lights.

Main contractor

Kier London
2 Langston Road
Loughton
Essex
IG10 3SD

Architect

ACP
Architects Co-Partnership
Norththaw House
Coopers Lane
Norththaw
Hertfordshire
EN6 4PS

Download case study as PDF

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