Regulatory Guidance

LRWA Regulatory Guidance LRWA are members of the Construction Products Association (CPA) and Build UK who work on behalf of the wider industry representing manufacturers and contractors as a collective at government level. Both bodies collaborate with key stakeholders and produce guidance on how to comply with the ever changing regulations. You are here: Home…

Technical guidance

Technical Technical guidance & standards An overview of the UK building regulations and British standards that apply to flat roofing & balconies You are here: Home Page LRWA design guide for specifiers The design guide was prepared by the Technical Committee of the Liquid Roofing & Waterproofing Association (LRWA), which comprises of the representation from…

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…

The importance of reinforcement

LRWA The importance of reinforcement Cold-applied liquid waterproofing, specified predominantly within refurbishment projects, is often overlayed onto existing roofing systems. Reinforcement enhances the tensile strength of the liquid waterproofing, consequently reducing material elasticity. You are here: Home Page The importance of reinforcement Navigating the vast array of liquid waterproofing systems available can often prove challenging,…

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…