Mark Harris
Mark has worked in the flat roofing industry for over 35 years.
LRWA and Rooflight Association Announce Plans to Collaborate
The Liquid Roofing and Waterproofing Association (LRWA) is joining forces with the Rooflight Association to provide specialist knowledge and support across both memberships. Formerly named the National Association of Rooflight Manufacturers (NARM), the organisation rebranded in 2023 and extended its membership to include rooflight installers, specifiers, distributors and other rooflight-related businesses and individuals. The collaboration…
LRWA Technical Meeting (online)
LRWA technical meetings happen three times a year to keep members and specifically their technical personnel up to date on key issues. Key forums to be discussed: Updates from British Standards Committees for fire and flat roofing Updates from Construction Products Association technical committee Updates from National Federation of Roofing Contractors joint flat roofing committee…
LRWA Technical Meeting (online)
LRWA technical meetings happen three times a year to keep members and specifically their technical personnel up to date on key issues. Key forums to be discussed: Updates from British Standards Committees for fire and flat roofing Updates from Construction Products Association technical committee Updates from National Federation of Roofing Contractors joint flat roofing committee…
Fire safety
LRWA Fire safety Approved Document B (ADB) is the government document that gives guidance on fire precautions relating to the wider Building Regulations in England. Collectively these must be adhered to in order to keep people and premises safe. You are here: Home Page Approved Document B (ADB) In August 2019, a new edition of…
#LRWAsocial (Northern)
Come and join in the fun, throw a few arrows, have a few beers – this is networking on another level! As a growing association we are always looking for fun ways to interact with new members and wider networks for the benefit of our sector. DATE: 28th October 2025 VENUE: Flight Club Manchester, Ship…
British standards
LRWA British standards Key standards that are used within flat roofing and balconies include BS 6229, BS 5250 and BS 8579. LRWA represent members on the BSI committees that have responsibility for these standards. You are here: Home Page BS 6229 BS 6229 is a British standard specifying a code of practice for flat roofs with continuously…
Waterproofing for car parks
LRWA Waterproofing for car parks Liquid applied membranes are regularly specified on multi-storey car parks to enhance the life expectancy and provide a tough, elastomeric, seamless and decorative finish. You are here: Home Page Waterproofing for car parks The specific demands of multi-storey car parks are unique. They are exposed structures and are therefore vulnerable…
Waterproofing for balconies
LRWA Waterproofing for balconies Liquid applied membranes are suitable for the protection of the substrate, providing a well adhered slip and wear resistant barrier to protect the structure. You are here: Home Page Waterproofing for balconies Balconies and walkways are often exposed to the destructive forces of the elements rain, sunlight and freezing conditions.…
Installer application
LRWA LRWA installer application Installer Members – defined as installers of liquid applied membranes working on a labour-only or self-employed basis who can demonstrate a commitment to recognised training methods either nationally (NVQ/SVQ) or by way of that provided by Manufacturer Members You are here: Home Page For an affordable annual fee, sole-traders and self-employed…