New Electronic Integrity Testing guidance launched

The Liquid Roofing and Waterproofing Association (LRWA) has released its latest technical publication – Guidance Note 18: Electronic Integrity Testing of Liquid Applied Membranes. Electronic Integrity Testing (EIT) is a non-invasive method used to detect defects in waterproofing membranes by applying an electrical current across the surface to identify potential leaks. This new guidance offers…

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 Invests in Future Growth with New Marketing/Digital Executive

The Liquid Roofing and Waterproofing Association (LRWA) has announced the appointment of Caitlin Blackburn as its new Marketing and Digital Executive, supporting its continued focus on growth, engagement and industry awareness. Caitlin joins the team with experience in digital marketing, communications and brand development across the roofing and construction sectors. Her background includes delivering integrated…

Updates to BS 6229:2025 – An Overview of What has Changed for Specifiers

The Liquid Roofing and Waterproofing Association (LRWA) is pleased to highlight the publication of BS 6229:2025 Flat roofs with continuously supported flexible waterproof coatings. Effective from 31st December 2025, this significant update marks a step forward in the ongoing improvement of flat roofing design, installation and performance across the UK. Raising the Industry Standard BS…

LRWA trainer of the year nomination form

EVENTS LRWA trainer of the year nomination form Nominate an individual for the LRWA trainer of the year award with this form You are here: Home Page LRWA Trainer of the Year New for 2026, we are inviting LRWA members to submit nominations for the ‘Trainer of the Year Award’. The winner of this accolade…