Current
Core Supplement
Guidance Note
Policy and design criteria for existing roofs, new exposed roof waterproofing, exposed balcony and walkway areas, inverted roofs, other buried applications and drainage design.
May 2020 edition. Supersedes the May 2012.
The Liquid Roofing and Waterproofing Association raises awareness of the technical and financial benefits of liquid applied waterproofing systems and provides independent advice for specifiers.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.