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Jetfloor CONSTRUCTION DETAILS 8 3 2 5 7 1 4 6 1 150/225mm deep prestressed beam. 2 Jetfloor expanded polystyrene block. 3 Thermalite spacer block. 4 Split course block. 5 Thermalite edge block. 6 Damp proof course. 7 Void ventilator and air brick. 8 Structural concrete topping. 8
Calculation of floor U-values Internal edge detail To obtain the U-value of a building with Jetfloor: 1. Calculate the floor perimeter P 2. Calculate the floor area A 3. Calculate the ratio P/A 4. Determine the U-value from the table below. A - is the area in square metres measured between the finished internal faces of the walls bounding the building. Unheated spaces outside the insulated fabric, such as porches or garages, are excluded when determining P and A, but the length of the wall between the heated building and unheated space is included when calculating the perimeter. Staggered bearing on an internal wall P - is the perimeter in metres measured along the finished internal faces of the external elements. 40 75 75 P/A 2A 2B Jetfloor Lo Multiple beams supporting partition 0.30 0.22 0.18 0.14 0.35 0.22 0.19 0.14 0.40 0.23 0.19 0.14 0.45 0.24 0.20 0.15 0.50 0.24 0.20 0.15 0.55 0.25 0.20 0.15 External wall bearing 0.60 0.25 0.20 0.15 0.65 0.26 0.21 0.15 0.70 0.26 0.21 0.15 0.75 0.26 0.21 0.15 0.80 0.26 0.21 0.16 Transverse stagger 9
Page 1 and 2: Hanson Building Products Beam & Blo
Page 3 and 4: Whatever the application, Hanson Bu
Page 5 and 6: Jetfloor Benefits Thermal Performan
Page 7: 3 4 This is a guide only and should
Page 11 and 12: Jetfloor (Membrane) Prestressed Bea
Page 13 and 14: Beam & Block Benefits Flexibility R
Page 15 and 16: Construction details Internal edge
Page 17 and 18: Load span table (180mm deep) The lo
Page 19 and 20: Washington Hanson Building Products

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