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:
Smooth surface skin (extrusion skin).
Homogeneous, closed-cell material structure comprised of extruded polystyrene (XPS), a rigid form of insulation.
Overall length x width per board
1250 x 600 x 70 mm
1250 x 600 x 80 mm
1250 x 600 x 105 mm
1250 x 600 x 130 mm
1250 x 600 x 145 mm
1250 x 600 x 175 mm
1250 x 600 x 205 mm
J21/440 Inverted roof insulation
J41/440 Inverted roof insulation
J42/440 Inverted roof insulation
Q37/310 Inverted roof insulation
To BS EN13164.
Thermal insulation products for buildings.
Third party product certification
BBA, CE 13164.
Euro class E, to BS EN 13501-1.
Products contain an ecologically safe flame-retardant additive.
Compressive strength (minimum) at 10% compression
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)
To EN 13164.
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.
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).
A grooved edge allowing boards to overlap, minimizing gaps.
RAVATHERM XPS X ULTRA 300 SL
Primarily used for inverted flat roofs, green and blue roofs.
Compressive creep (design load) maximum 2% deflection after 50 years
To EN 1606.
-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.