Water Attenuating Surfaces: designing and installing blue roofs

Developed by our Major Projects team, this six-part webinar offers advice and guidance on achieving warranty compliance when using water attenuating surfaces.

Watch the overview to find out more:

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What it covers


Introduction: What is a water attenuating surface?


The key principles of blue roof design


The main component of a water attenuating surface


The structural performance characteristics required for water attenuating surfaces


Suitable products for the application of water attenuating surfaces


Designing for future access and repair

About the presenter


ben-pic-round-300pxBen Smallwood BSc (Hons) C Build E MCABE CSSW MCIOB

Major Projects Manager, Premier Guarantee


Ben is an experienced, Chartered Building Engineer and a qualified building surveyor who partners with some of largest and renowned construction companies in the UK to help them navigate and solve regulation based construction problems for high value schemes.

After working on a number of internationally recognised and complex buildings, Ben is dedicated to supporting project teams achieve their design aims and helping generate options to help solve even the most complicated technical issues.

As well as the creation of new internal and external technical standards on topics such as blue roofs and podium decks, Ben has built a reputation around assisting clients to develop their schemes in a changing regulatory environment and embracing innovative approaches and new materials, creating links with universities across the UK.

Ben is also a CSSW qualified waterproofing specialist and has a keen interest in waterproofing envelope design which extends to basement waterproofing design.

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