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Permavent Graphite
Description of Product
This is an assessment of a breather membrane
that allows the passage of water vapour
through it whilst preventing liquid water to
pass through it.
Key Factors Assessed
Mechanical Resistance & Stability
Health, Hygiene and Environmental
Safety in Use
Energy Economy and heat retention
Durability serviceability and identification
Validity
This certificate was first issued on 16th September 2019 and is valid until 16th September 2020
Issue Dated 16th September 2019
Certificate No: EW1055B
Permavent Graphite is a strong 130g/m² breather membrane suitable for use in all types of domestic and commercial
roofing and walling applications within all wind zones in the UK for underlays used for specific applications as described in
BS 5534.
The zone suitability only applies where a well sealed ceiling is present, ridge height is not greater than 15m, roof pitch is
between 12.5° and 75°, site altitude is not greater than 100m and no significant site topography is present.
LABC consider that, Permavent Graphite will meet the functional requirements of the Building
Regulations (listed below) if the criteria detailed in this certificate are met;
The Building Regulations 2010 (as amended) England & Wales
Regulation 7. (1) Materials and Workmanship
Note: The product is acceptable.
AD C Resistance to Moisture
Note: The product is acceptable.
The Building Regulations 2010 (as amended) England
None presently.
The Building Regulations 2010 (as amended) Wales
None presently.
The Building (Scotland) Regulations 2004 (as amended)
If you would like to discuss a specific use of the product in Scotland it will require an additional
assessment under the Scottish Building Regulations and accordingly you should contact the LABSS
STAS Administrator at www.labss.org
LABC Warranty
The use of the Permavent Graphite has not been assessed to meet the requirements of the LABC
Warranty Technical Manual. If you would like to discuss a specific use please make an enquiry to
BRE Test BS5534 wind uplift tests for Roof Underlay 130
Polish Centre for testing and Certification Assessment of Performance report 362H 2017 Test Method in accordance with EN
1928:2002 and EN 13859-1:2010 1 edition of 14 September 2017
Polish Centre for testing and Certification Assessment of Performance report 361H 2017 Test method in accordance with EN
ISO 11925-2:2010 part 2 single flame source test 1 edition of 14 September 2017
Polish Centre for testing and Certification Reaction of Fire Classification report in accordance with EN 13501-1-2007 Date of
Issue: 14th September 2017
Zwick/Roel Tear Resistance test to PN-EN 12310-1:2001 series 1 of 3 tests and watertightness PN-EN 1928:2002 Dated 31st
August 2018
Zwick/Roel Tear Resistance test to PN-EN 12310-1:2001 series 2 of 3 tests and watertightness PN-EN 1928:2002 Dated 31st
August 2018
Zwick/Roel Tear Resistance test to PN-EN 12310-1:2001 series 3 of 3 tests and watertightness PN-EN 1928:2002 Dated 3rd
September 2018
Zwick/Roel Tensile strength Test to PN-EN 12311-2:2013 series 1 of 3 tests and watertightness to PN-EN 1928:2002 Dated 31st
August 2018
Zwick/Roel Tensile strength Test to PN-EN 12311-2:2013 series 2 of 3 tests and watertightness to PN-EN 1928:2002 Dated 31st
August 2018
Zwick/Roel Tensile strength Test to PN-EN 12311-2:2013 series 3 of 3 tests and watertightness to PN-EN 1928:2002 Dated 3rd
September 2018
Zwick/Roell Tensile strength after ageing to PN-EN 12311-2:2013
Klima C Testing to EN 12572 for breathability
Permavent Blue, 130g/m² Declaration of Performance Dated 17th September 2018
Permavent Limited
11 Cumberland Drive
Weymouth
Dorset
DT4 9TB
Tel: 01305 766703
Email: [email protected]
Website: www.permavent.co.uk
