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

2U-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

2U-value (W/m K)Calculated in accordance with ISO 13370

Min150mm

Min150mm

Note. Green Guide Rating as interim document released by BRE in June 2007.

Green Guide rating C

0.5o

Element N

Code points

20100010

Green Guide rating C

0.5oElement N

Code points

20100034

Note. Green Guide Rating as interim document released by BRE in June 2007.

Technical Advice 08456 71-71-74 www.cellecta.co.uk

Fig. 5

Ground bearing concrete floor slab

Insulation installed below floating screedincorporating underfloor heating system

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)

DPM (can be placed above or below the insulation)

Water or electric under floor heating system (clipped to foam or cable tied to steel mesh)

(See page 28 for technical specifications)

Fig. 4

Ground bearing concrete floor slab Thermal insulation

Chipboard / thermal laminate floor board

YELOFOAM XCHiP (Chipboard / thermal laminate)

YELOfon ES5/10(Thermal and expansion gap strip)

DPM (can be placed above or below the slab)

(See page 28 for technical specifications)

Min150mm

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 XCHiP req’d (mm)

68 88 98 118 138

78 98 118 138 158

98 118 138 158 178

98 118 138 158 178

108 138 138 158 178

ratio

2U-value (W/m K)Calculated in accordance with ISO 13370

Note. Green Guide Rating as interim document released by BRE in June

Note. Green Guide Rating as interim document released by BRE in June 2007.

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

2U-value (W/m K)Calculated in accordance with ISO 13370

Green Guide rating A

2o

Element N

Code points

20470056

Green Guide rating C

0.5oElement N

Code points

20100034