Technical Advice 08456 71-71-74 www.cellecta.co.uk Fig. 2 Ground bearing concrete floor Insulation installed below the concrete slab XPERi Perimeter wall insulation Tanking membrane Retaining wall Backfill Geotextile filter layer (optional) Perforated pipe YELOFOAM X2i, X3i or X4L Floor insulation XPERi Perimeter wall insulation Tanking membrane Retaining wall Backfill Geotextile filter layer (optional) Perforated pipe YELOFOAM X2i, X3i or X4L Floor insulation Concrete slab YELOFOAM X2i (domestic / commercial applications) YELOFOAM X3i (commercial applications) YELOFOAM X4L (commercial / industrial applications) DPM (can be placed above or below the insulation) YELOFOAM XES (perimeter edge strip to eliminate cold bridging) (See page 28 for technical specifications) Fig. 3 Ground bearing concrete floor Insulation installed below floating screed 0.25 0.22 0.20 0.18 0.16 0.3 0.4 0.5 0.6 0.7 P/A Typical thickness of insulation req’d (mm) 50 60 75 90 120 60 70 90 100 140 65 80 90 120 140 70 90 100 120 160 75 90 100 140 160 ratio 2 U-value (W/m K) Calculated in accordance with ISO 13370 XPERi Perimeter wall insulation Tanking membrane Retaining wall Backfill Geotextile filter layer (optional) Perforated pipe YELOFOAM X2i, X3i or X4L Floor insulation XPERi Perimeter wall insulation Tanking membrane Retaining wall Backfill Geotextile filter layer (optional) Perforated pipe YELOFOAM X2i, X3i or X4L Floor insulation Screed (minimum 65mm sand:cement or 40mm proprietary free flowing screed) YELOFOAM XES (perimeter edge strip to eliminate cold bridging) YELOFOAM X2i (domestic / commercial applications) YELOFOAM X3i (commercial applications) YELOFOAM X4L (commercial / industrial applications) DPM (can be placed above or below the insulation) (See page 28 for technical specifications) 0.25 0.22 0.20 0.18 0.16 0.3 0.4 0.5 0.6 0.7 P/A Typical thickness of insulation req’d (mm) 50 60 75 90 120 60 70 90 100 140 65 80 90 120 140 70 90 100 120 160 75 90 100 140 160 ratio 2 U-value (W/m K) Calculated in accordance with ISO 13370 Min 150mm Min 150mm Note. Green Guide Rating as interim document released by BRE in June 2007. Green Guide rating C 0.5 o Element N Code points 20100010 Green Guide rating C 0.5 o Element N Code points 20100034 Note. Green Guide Rating as interim document released by BRE in June 2007.