Ravatherm XPS X ULTRA 300 SL

The lowest thermal conductivity of any UK manufactured XPS board accompanied with a BBA certificate.

Ravatherm XPS X ULTRA 300 SL is an XPS thermal insulation board for use on inverted flat roofs, green, brown and blue roofs. It has a declared thermal conductivity of 0.027 W/m.K. It also has a Global Warming Potential (GWP) of less than one.

Available in thicknesses of 50mm, 75mm and 100mm.

300kPa compressive strength (according to EN 826) 

110kPa compressive creep (2% deformation after 50 years according to EN 1606)