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SPACECRAFT ARCHITECTS: HARRIETSHAM SCHOOL SPECIFICATION SHEET

AJ SPECIFICATION

PRODUCT AND WHERE USED MANUFACTURER ALTERNATIVES CONSIDERED REASONS FOR FINAL CHOICE

STRUCTURE Steel frame with Trus Joist purlins Trus Joist Masonite Better compatibility with required dimensions

STRUCTURAL FLOORING Block-and-beam floor on load-bearing brick walls on strip foundations Tarmac Topfloor Only possible solution due to soil conditions

WALL INSULATION Warmcel 500 Excel Industries Rockwool Rainscreen Duo-slab Thermal performance, made from recycled waste newspaper and has low embodied energy

ROOF INSULATION To classrooms Endele Kunststoff Rockwool Ideal partner for FalZinc metal standing seam, as fixing into integrated timber slats within insulation reduces amount of plywood decking

ROOFING FalZinc metal standing seam for classrooms Corus Building Systems KalZip Minimal standing seam, benefits of aluminium with qualities of zinc

GREEN ROOF Extensive system in flat and barrelled application to hall roof and ancillary block Bauder Alumasc extensive green roof Single-ply membrane Best solution to retain rainwater, minimises need for drainage

EXTERNAL WALLS Louro timber rainscreen on Trus Joist stud wall to classrooms Ecotimber Untreated, environmentally friendly solution

EXTERNAL WALLS StoTherm classic Insulated Render System to hall and ancillary block Sto Lafarge cement render No movement joints required, robustness and flexibility, through-coloured

VENTILATION Natural. Additional in classrooms Passivent Acoustic performance and simplicity of system

INTERNAL CEILINGS MF System with Gyproc Acoustic board in curved classrooms and hall ceiling British Gypsum Industry standard, guarantees and warranties, acoustic performance, ease of installation

DOORS Interior laminate- faced timber doors sets Leaderflush Shapland

WINDOWS To exhibition street and north of classrooms Vitral UK Technal structural glazing A standard curtain-walling system cannot be installed in a horizontal application

WINDOWS Technal Fxi65 aluminium windows to ancillary block and hall Technal Chosen to match curtain walling system within classroom block

TILING Royal Mosa Colour Range and Metropolis to wet areas, splashbacks and WCs Architectural Ceramics (UK) Aesthetic and economical solution

CARPET Fibre-bonded carpet to classrooms, headteacher's office , staff room and library Heckmondwike Aesthetic and economical solution

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