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Movement Joint Resin Injection, London.

OVERVIEW

At this new-build shopping centre in Shepherd's Bush, West London, the new underground car park was experiencing high levels of water ingress through two movement joints that had failed. Newton Specialist Contractor ASF Waterproofing, who are specialists in injection resins and structural repair work, was therefore called in order to provide a quick solution and fix the leaking joints.


Following an initial investigation, the technical team from ASF decided to use the 5-part acrylic rubber sealing resin Newton 324-SR to seal the joint, as it reacts to form a very durable and flexible seal that exhibits exceptional adhesion, making it ideal for movement joints.


ASF began by drilling holes at angle into the concrete, and at regular intervals for the 10mm injection packers above the joints. The injection packers were then fitted to each hole, and foam backing rod was used to temporarily block the joint and prevent uncured resin from escaping as it is injected.


The five components of the PC 509 Rubber Acryl are mixed to make two solutions, whilst the curing time of the resin can also be adjusted by changing the quantity of initiator used. The resin was then injected through the packers and into the joint using a three-component stainless steel pump.


Finally, once the resin was cured and the joints were effectively sealed, ASF ground back the surface of the concrete to either side of the joints and applied Newton 106 FlexProof, a flexible liquid waterproofing material, to provide a final protective seal and finish the job.


With two leaking movement joints in a finished structure, the client required a swift resolution to get the area back into use quickly. With the benefit of Newton’s advanced resin and waterproofing products, ASF got to site and delivered the sealed joints within the client’s tight timeframe.

Products featured in this case study

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Flexible Construction Joint Waterproofing System - Newton FlexProof 106 - Construction Joint Waterproofing

Flexible Construction Joint Waterproofing System - Newton FlexProof 106 - Construction Joint Waterproofing

TRADECC PC 509 Rubber Acryl for Water Sealing Underground Structures - Flexible Acrylic-Rubber Injection Resin

TRADECC PC 509 Rubber Acryl for Water Sealing Underground Structures - Flexible Acrylic-Rubber Injection Resin

TRADECC PC 509 Z Acryl Suitable for the Water Sealing of Cracks & Voids - Injection Resin

TRADECC PC 509 Z Acryl Suitable for the Water Sealing of Cracks & Voids - Injection Resin

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