Verified by manufacturer 8 days ago
70 mm
BSI Kitemark
Certificate type
EPD
Certificate type
A thermal insulation product designed for inverted flat roofs.
Suitable for use as a high-performance, multi-purpose polystyrene for the thermal insulation and frost protection of inverted flat roofs, green and blue roofs.
Ravatherm XPS X ULTRA 300 SL is a thermal insulation product designed for inverted flat roofs.
Features and benefits:
Color | Grey |
Finish | Smooth Smooth surface skin (extrusion skin). |
Material | Polystyrene Homogeneous, closed-cell material structure comprised of extruded polystyrene (XPS), a rigid form of insulation. |
Shape | Rectangle |
Length | 1250 mm |
Width | 600 mm |
Height | 70 mm 80 mm 105 mm 130 mm 145 mm |
Uniclass | |
CAWS | J21/440 Inverted roof insulation J41/440 Inverted roof insulation J42/440 Inverted roof insulation Q37/310 Inverted roof insulation |
Standard | To BS EN13164.Thermal insulation products for buildings. |
Third-party certification | BBA, CE 13164. |
Fire performance | Euro class E, to BS EN 13501-1.Products contain an ecologically safe flame-retardant additive. |
Compressive strength (minimum) at 10% compression | 300 kPa.To EN 826. To plan the reinforcement steel requirements of floor slab used as a load-distribution structure over the thermal insulation layer, please consult a structural engineer. |
Thermal conductivity (maximum) | 0.027 W/m·K.To EN 13164. |
Water permeability | To BS EN13164.Thermal insulation products for buildings. |
Water vapour permeability | To BS EN13164.Thermal insulation products for buildings. |
Thickness | 70 mm. |
Face size (length x width) | 1250 x 600 mm.The maximum installation depth of the thermal insulation is determined by the load: the horizontal pressure must not exceed the compressive strength of the boards, taking into account the value of the permanent load. |
Facing | Smooth.Smooth surface skin (extrusion skin) - A breathable, non-hygroscopic separation layer should be laid down with a 300-mm overlap, between the Ravatherm XPS X ULTRA 300 SL thermal insulation boards, laid in a brick bond pattern without adhesives, and the ballast (generally a layer of gravel). |
Edges | Ship lap.A grooved edge allowing boards to overlap, minimizing gaps. |
Compressive creep (design load) maximum 2% deflection after 50 years | 110 kPa. To EN 1606. |
TemperatureRange | -50°C to +75°C maximum. Provides the permanent application temperature of Ravatherm XPS X products. At higher temperatures, the boards will start to soften and suffer permanent deformation. |
Country of product manufacture | United Kingdom |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 3.10 kg CO₂ eq/kg |
Recyclability | 100% |
NBS BIM object standard
This BIM object has been authored to meet the requirements of the NBS BIM object standard.
Find out more about the NBS BIM object standard.
Platform | Compatible | Version |
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![]() | - | 3 |
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EPD
Ravatherm XPS X ULTRA EPD