Certifed BRE Green
Guide rating A+
POLYFOAM Roofboard
Extra is a rigid, lightweight
extruded polystyrene (XPS)
insulation and is used in
conjunction with POLYFOAM
Slimline Zero Membrane as
a POLYFOAM Inverted
Roof System.
Available in thicknesses from
50mm to 245mm, the POLYFOAM
Inverted Roof System offers a
perfect solution for inverted and
green roof applications.
Made in the UK
Find out more...
Visit: ravatherm.co.uk
Call: 01429 855 100
Certifed BRE
Green Guide
rating
In addition to lambda values as
low as 0.033 W/mK, the thermally
efficient foam boards have the
following accreditations:
● Certified BRE Green Guide
rating A+
● Product specific
Environmental Product
Declarations (EPD)
● British Board of Agrément
(BBA) certificate
● BES 6001: Responsible
Sourcing of Construction
Products
/ravatherm.co.uk
/ravatherm.co.uk
