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Dylon Works

OVERVIEW

A high profile 0.7 hectare residential development, completed in 2017. This project featured the Aquamodul warm blue roof, one of the largest schemes of its kind ever achieved within the capital.


Challenges


The project presented significant challenges, such as demanding thermal performance criteria combined with a challenging planning requirement to achieve maximum outflow rain water run off rates of 10l/s across the entire 7500m2 site.


Solutions


The design and implementation of a site wide blue roof ensures the development’s contribution to mitigating flood risk in London and supports the protection of England’s waterways. Modelled over a 300 year period, the blue roof design is future proofed in terms of its provision for likely climate change and increases in predicted peak rainfall events.


Second generation hot melt structural waterproofing system, Wilotekt-Plus, was installed as the Air and Vapour Control Layer (AVCL), which provided an extremely robust waterproof structure during the external envelope and superstructure construction phase. Hytherm ADH thermal insulation and BBA accredited Force Dalle bitumen membranes with anti-root technology where later installed to complete the waterproofing and insulation system.


Prior to hand over and installation of the Aquamodul blue roof attenuation cell, the waterproofing system was integrity tested using a differential pressure testing method by independent specialists to ensure the roof was watertight. Once passed as secure, the Aquamodul blue roof cassette and biodiverse (brown) living roof finishes where installed with the further addition of a PV panel array generating the majority of the building’s electrical energy requirements.


Systems in use

Products featured in this case study

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Force Dalle Neo-Bitumen Flame Free Inverted Roof Single Layer System - Concrete Slab (in-situ/precast) / Timber roof deck

Force Dalle Neo-Bitumen Flame Free Inverted Roof Single Layer System - Concrete Slab (in-situ/precast) / Timber roof deck

Force Dalle Inverted Roof Single Layer Living Roof System - Concrete Slab (In-situ/Precast) / Timber Roof Deck

Force Dalle Inverted Roof Single Layer Living Roof System - Concrete Slab (In-situ/Precast) / Timber Roof Deck

Wilotekt-Plus Inverted Roof System - Concrete Slab (in-situ/Precast) / Timber Roof Deck

Wilotekt-Plus Inverted Roof System - Concrete Slab (in-situ/Precast) / Timber Roof Deck

Force Dalle Inverted Roof Single Layer System - Concrete Slab (In-situ/Precast) / Timber Roof Deck

Force Dalle Inverted Roof Single Layer System - Concrete Slab (In-situ/Precast) / Timber Roof Deck

Wilotekt-Plus Inverted Roof System - Living Roof - Concrete Slab (In-situ/Precast) / Timber Roof Deck

Wilotekt-Plus Inverted Roof System - Living Roof - Concrete Slab (In-situ/Precast) / Timber Roof Deck

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