Five Villages House

Structural Renovations Five Villages House

Structural Renovations Limited have completed works to a development specifically designed for Independent Living, in the small village of Icklesham, East Sussex.
Five Villages House was constructed in two separate phases; Phase 1 – 1979 and Phase 2 – 1989, both being opened by the Bishop of Lewes, with the ethos of allowing the over 60s to maintain their independence, whilst living in a safe and friendly environment, with communal hubs to socialise.

Our works concentrated on the reinforced cantilevered balconies on both Phases, which although maintained periodically over the years, now required specialist treatment. Sika Limited, who we are approved by, developed a specification to repair any defective concrete, including the installation of corrosion management capsules, which migrate to the mild steel reinforcement, to pacify any ongoing corrosion that could lead to future spalling. The undersides of the balconies were thoroughly cleaned and treated with an anti-carbonation coating, to further assist in extending the life of the concrete.

The balcony decks and faces were waterproofed with a 3 coat polyurethane coating, incorporating a natural quartz grit for slip resistance.

All works were regularly inspected throughout the project by Sika Limited and are covered 10 year Warranty.

In addition to the above works we also carried out localised masonry stabilisation, using a variety of Helifix repair details, who we are an Approved Installer for, together with render repairs to window surrounds, using a latex modified render mortar.

The project was completed to the agreed programme period and with the minimum of disruption to the residents and staff.

Lloyds Building

Lloyds Building Structural Renovations

Structural Renovations have recently completed another phase of works within the iconic Grade I listed, Lloyds Building, within the City of London.

The building was designed by the recently deceased Richard Rogers and is famous for having all services, such as lifts and air handling on the exterior of the structure, to maximise the internal space.

Over recent years Structural Renovations have been employed to carry out repairs to the various reinforced concrete elements of the building, using polymer modified repair mortars.
Our most recent visit required us to complete structural repairs within the vast atrium, together with external areas. The repairs needed to be colour matched, to blend in with original concrete, so it was necessary to reinstate the defective areas in two stages; structural repair mortar to within 15mm of the finished surface, followed by the application of an approved coloured cementitious mortar.

The works were completed from a scaffold erected 13 floors above ground and from the Lloyds Building’s house cradles.

All works were completed outside of normal working hours, to minimise disruption to the staff and visitors.

Observer Building – Externals

Structural Renovations - Observer Building - Anodes

January saw us remobilise for the 3rd phase of concrete repair and protection works, this phase concentrating on the external elevation of this Hastings landmark building.
This imposing building designed by local architect, Henry Ward, specifically for F. J. Parsons (publishers and printers), was built in 1924 with extensive use of reinforced concrete.

The building remained in constant use until 1985, when the Hastings & St. Leonards Observer moved to other premises. The intervening years left the structure without maintenance, leading to severe deterioration.

We completed extensive concrete repairs to the internal elements of the building in 2019 and 2021, which has allowed the internal fit-out to subsequently take place.
This phase of works is concerned with the repair, corrosion control and anti-carbonation protection of the external beams, lintels and columns on the east, south and west elevations, all from scaffolding.

Due to the building’s proximity to the aggressive marine environment, it was decided that the concrete would benefit from the installation of sacrificial anodes to pacify ongoing corrosion of the buried mild steel reinforcement, prior to reinstatement using polymer modified repair mortars. Some locations were too small to accept the anodic protection and instead were treated with a liquid migrating corrosion inhibitor. Following completion of the corrosion control and concrete repairs a pigmented anti-carbonation coating system is being applied, which will not only offer increased protection to both repaired and existing areas but will provide uniform and improved aesthetics.

If you would like to receive further information on the products/techniques used on this project, please contact our office.

Barbican Estate

Barbican Structural Renovations Sealant

Structural Renovations Limited have completed a number of repair and waterproofing contracts for the City of London Corporation at the Barbican Estate.

We were initially asked to devise suitable remedial schemes for the differing issues being experienced at the Grade II listed site, where consideration needed to be given to residents, staff and the public and where noisy works were to be carefully programmed to suit all interested parties.

Our works to Speed House, Ben Jonson House, and John Trundle Court podia required us to isolate agreed locations, carefully lift the brick paving either side of the main movement joints and rake out all defective materials back to sound substrate. Following this preparation work we applied a 3 coat, glass fibre reinforced polyurethane membrane, dressed into the joint. The paving was subsequently reinstated and a new polyurethane jointing compound was used to reseal the joint and accommodate future movement in the structures.

Works at the rear of Lauderdale Tower, together with Wallside involved both waterproofing, to prevent ingress to the car parks below and repairs to exposed aggregate concrete, using a modified mortar containing the appropriate size, type and concentration of aggregate.

These projects, the last of which was completed this month mark the 10th successive year of working for the Estate, where we’ve built up a knowledge of the wide variety of structures, along with good working relationships with a number of the Corporation’s employee’s.

Imperial College

Structural Renovations Limited were recently employed as a specialist sub-contractor to complete various remedial works to a number of buildings across the South Kensington Campus. Due to programming issues our works were phased to include two separate visits.

Phase 1 of the works involved masonry stabilisation and modified render repairs to both the Huxley Building, 180 Queens Gate and the Blackett Laboratory, within the main campus.
The masonry stabilisation aspect of the works involved connecting the internal and external leaves together, using proprietary stainless-steel ties, dry fixed into each leaf. We also connected brickwork and blockwork to the reinforced concrete slabs using a different proprietary tie set in a 2-part epoxy/cementitious grout.

Modified render repairs were then carried out where the existing sand and cement materials had failed due to a lack of provision for movement. Joints were also formed to allow for future movement, which were sealed using a 1 part polyurethane joint sealant.

Phase 2 saw us return to site and carry out stone remedial works to 58 Prince’s Gate. This involved the localised removal of spalled and defective areas of the previously painted stone façade, preparation of the substrate, and subsequent reinstatement to the original surface profiles, using proprietary polymer modified mortars.

Harrington Court

Harrington Court Structural Renovations

Structural Renovations Limited has recently completed phase one of the concrete repair, waterproofing and upgraded handrail works at the rear elevation of a 5 storey residential block close to central Croydon.

The works were secured after a sealed bid tender process and we mobilised on site in late August.

Following the erection of scaffold, the concrete was surveyed to identify the extent of defective concrete, which enabled concrete repairs to be carried out, using Fosroc repair products. A pigmented anti-carbonation coating, also by Fosroc was applied once the underside of the communal balcony slabs had been pressure washed. This not only affords additional protection from the elements but provides a uniform finish to both repaired and original concrete.

The top surfaces of the communal balcony slabs were then prepared to receive a fully reinforced, waterproof, polymethyl methacrylate (PMMA) resin system, produced by WestWood Liquid Technologies. The system was specified due to a number of factors: speed of application, durability and aesthetics, all of which were desired by the Client.
Additionally, as part of the refurbishment, we were instructed to upgrade the existing handrails, whereby additional security panels were affixed to close off large gaps between the horizontal rails, which were deemed unacceptable by today’s standards.

Further phases of work are planned for the building in the near future.