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Rochdale Exchange Car Park

WestWood Liquid Technologies UK Ltd were asked by JLL & Under 1 Roofing Consultants to provide a full car park condition report, offering recommendations and a guaranteed specification for the Rochdale Exchange Shopping Centre.

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Key Statistics

Specialist Roofing Contractor Everlast Group
Project size 8,500sq. m
Substrate Concrete substrate with mastic asphalt covering
WestWood products Wecryl 112 Weproof 269 Weproof 264 and Fleece details/upstands Wecryl 333 Wecryl 810 Wecryl 488 Wecryl 420 Wecryl 842 Mortar Wecryl 810 putty

The Challenge

Situated above Rochdale Exchange Shopping Centre, this busy car park was suffering from damaged asphalt. Car tyres had caused numerous dips on the surface and the curbs were also in need of repair. These failings demanded a high-performance waterproofing and surfacing system, which could be installed while the car park remained open to the public

The Solution

WestWood partnered with Everlast Group to deliver the £1m project. To rectify issues with the asphalt deck, Wecryl 842, a fast-curing repair mortar was used to fill and level the defects.

As large humps of asphalt had been used to encapsulate the street lighting cables, these areas were cut out and new cabling installed. The surface was then reformed also using Wecryl 842. This solution removed the humps, preventing the risk of ponding water and achieving a more aesthetic finish.

New pedestrian walkways were coated with WestWood’s Wecryl 420. This resin was manufactured in a vibrant green colour to match the shopping centre’s branding and create a visual connection between the car park and retail space.

£1m project

Situated above Rochdale Exchange Shopping Centre, this busy car park had deteriorated over time due to constant daily use. The asphalt surface had developed numerous dips caused by vehicle tyres, while the curbs across the deck were also in poor condition and in need of repair. Alongside these structural issues, the scheme also needed to improve traffic flow and introduce safer pedestrian walkways, all while keeping the car park open to the public throughout the refurbishment.

High performance waterproofing system

The project used a specialist waterproofing and surfacing system designed for a busy car park above a shopping centre, helping protect the retail units below throughout the works.

Fast-curing repair solution

Wecryl 842 fast-curing repair mortar was used to fill and level defects in the asphalt deck, making the refurbishment more efficient.

Improved pedestrian safety

New pedestrian walkways were introduced and coated in a vibrant green resin, creating clearer and safer routes through the car park.

Better traffic flow and layout

The car park was redesigned to improve vehicle flow across the main deck area, making it safer and more practical for daily use.

The Outcome

Wet weather during the works affected the schedule, but the impact was mitigated by the fast-curing properties of WestWood’s PMMA-based products, which ensured the retail units below the car park were kept watertight throughout.

The re-designed layout has improved vehicle flow around the main deck area and the brightly coloured walkways have made the car park safer for pedestrians. The client also benefits from a robust single point WestWood insurance-backed guarantee.

In recognition of the refurbishment’s success and complexity, the project was crowned ‘Waterproofing Project of the Year’ at the LRWA awards.

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