
Inverted flat roofs

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Product Information
Cellecta’s XROOF 300L insulation boards are designed specifically for inverted roof applications where a high resistance to compression, closed cell structure and very low water absorption is essential.
Product Benefits
Excellent life-long thermal performance
Closed cell structure
Very low water absorption – <0.7%
High compressive strength
100% Recyclable
Technical Information
Brand name | XROOF 300L |
Thermal Conductivity EN 12667 | 0.033W/mK ≤ 80mm
0.034W/mK > 81mm |
Strength at 10% compression EN 826 | 250kPa ≤ 30mm
300kPa > 40mm |
Strength at 2% compression EN 1606 | 80kPa ≤ 30mm
125kPa > 40mm |
Long term water absorption by immersion EN 12087 | >0.7% |
Board dimensions | 600mm x 1250mm |
Thickness’ (other sizes manufactured to order) | 30mm, 40mm, 50mm, 60mm, 75mm, 80mm, 100mm, 120mm, 140mm, 160mm |
Edge profile | Shiplap |
Third Party Accreditation and Approvals

Environmental Credentials & Fire Class
