Safe from the sea – Grand Avenue Hove


Ronacrete products were used in the restoration of1 Grand AvenueHove, a late 1960/70s multi-storey private residential block situated in a prime seafront location.

As is common in coastal locations, the reinforced concrete elements of the building had suffered severe deterioration, including spalling to the concrete of private balconies and to ring beams. More critically, the ring beams supporting the outer brick skins of the flank walls had suffered serious structural damage, with an imminent risk of failure of the brick cladding. 

The main contractor Ellis Builders of Eastbourne appointed Cemplas Waterproofing and Concrete Repairs Limited to undertake over £100,000 worth of specialist remedial repairs.

 Before commencement of the repair works, Cemplas undertook a cover meter survey, carbonation testing was carried out and because of the seafront location, the chloride content of the concrete was measured.

Cemplas began the extensive remedial work by removing all the brickwork to the building’s outer skin and cutting off the the ring beams.

The ring beams were replaced with Ancon steel shelf support anchors, resin fixed to the remainder of the concrete ring beams, to provide support for the new outer skin of brickwork.

The concrete balconies were treated by shot blasting to remove the previous coatings. Several products from Ronacrete’s Concrete Repair & Protection range were then used to repair the concrete and to protect it from further damage.

Repairs to the concrete were made using Ronabond HB40 high build repair mortar.  Ronabond Cover Plus 150 was used to provide additional protection to the steel reinforcement and final protection was provided by application ofRonabondJoltecwaterproof, elastomeric anti-carbonation coating to the vertical concrete surfaces andRonabondZolpacrylanti-carbonation coating to balcony soffits.

About Ronacrete

Ronacrete is an international manufacturer of specialist construction products with factories and development centres in the UK and the Far East. Accreditations include BS EN ISO 9001, BS EN ISO 14001 and OHSAS 18001, offering specifiers the opportunity to gain BREEAM and Code for Sustainable Homes credits. Market leading brands include SuDS compliant RonaDeck resin bound products for paving and tree pits, Ronafix admixture and Ronafix modified pre-packed mortars with BBA approvals for screeds, renders, concrete repair and bedding. Ronacrete produces materials for; resin bound and resin bonded hard landscaping, polymer modified and fast drying screeds, waterproof renders and coatings, concrete repair and protection, waterproof bedding mortars and resin flooring. www.ronacrete.co.uk
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