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Ronascreed 8-Day Overlay fast-drying screed from Ronacrete has been used during works to develop Terminal 2 at London Heathrow Airport. The terminal, which includes the main building, a 522m satellite pier, a 1,340-capacity car park, an energy centre, a cooling station and road refurbishment, will cover a floor space of 185,000m2, extending into the existing Terminal 1 site.

The floor will take heavy traffic from the 20,000,000 passengers plus associated trolleys and airport vehicles that are estimated to cross it annually.

Vetter UK, the specialist contracting arm of Laing O’Rourke, needed to specify a fast-drying 135mm-deep screed so that the project could continue with minimum disruption, saving time and costs.

Key information and benefits

  • Ronascreed 8-Day Overlay fast-drying screed was specified for its fast drying properties and the fact that it could be mixed at ground level and pumped up the three storeys to the point of application, saving on time and cost
  • It is a screed additive that — when added to a screed — enables earlier access by following trades and reduces drying time
  • Screeds can be laid later in the construction programme, reducing likely damage by following trades and saving unexpected bills for surface DPMs
  • Ronascreed 8-Day Overlay is available as a screed additive named Ronascreed 8-Day Overlay fast-drying screed and in pre-packed form as Ronascreed 8-Day Overlay pre-packed fast-drying screed
  • Ronascreed 8-Day Overlay is economical and suitable for fast-track projects where early access is required, such as large-scale education, commercial, hospital, and retail projects

Ronacrete is an internationally recognised construction product manufacturer with more than 40 years’ experience in the industry. Ronacrete has on-site R&D in England and China and can offer technical, sales and marketing support for eight different product ranges.

Concrete repair and protection

The Ronacrete concrete repair range includes the industry renowned Ronafix Admixture for Concrete Repair, polymer modified repair mortars, a migratory corrosion inhibitor, a fairing coat, slurry coats, elastomeric and non-elastomeric decorative anti-carbonation coatings.

Hard landscaping

The Ronacrete hard landscaping range comprises Ronadeck resin-bound surfacing, Ronadeck resin-bonded surfacing and Ronadeck tree pit systems. These offer decorative, durable and attractive paving which can be laid on asphalt or concrete. The permeability of the resin-bound surfacing makes it an ideal surface for permeable asphalt, while the tree pit system is porous enough to keep tree roots well watered.

Available in a choice of finishes for driveways, paths, patios, swimming-pool surrounds, parks and gardens, podium decks, concourses, car parks, squares and footbridges, these products are used nationally and internationally for public building works, commercial development, housing projects and home improvement.


Ronacrete offers products and systems for new floor screeds as well as a full range of floor repair mortars for convenient and fast floor maintenance and repair. The screed range includes admixtures; polymer modified levelling screeds, wearing screeds, self-smoothing and floating screeds. Ronacrete products are compatible with underfloor heating systems. Weak screeds can be improved by treatment with an impregnating polymer that can penetrate their full depth.

Urban Design

Bedding and pointing mortars, kerb and step repair mortars, chewing gum and stain repellent coatings, anti-graffiti coatings and tactiles providing hazard awareness for visually impaired pedestrians are included in the Urban Design range from Ronacrete. This 'street' range is designed to help keep our streets clean, tidy and provide a pleasant, safe experience for pedestrians. They keep disruption to a minimum and allow for early or instant trafficking.

Highway maintenance

The RonaRoad range of highway maintenance, road repair and pothole repair products provide instant trafficking and ease of laying in most weather conditions including below-freezing and wet. They allow local authorities and councils to more easily meet their environmental targets and obligations by using environmentally friendly low- and zero-VOC products and softeners.

Commercial industrial flooring

This range of floor treatment and repair products includes epoxy floor coatings, polyurethane sealers, concrete dustproofers, epoxy floor screeds, an epoxy surface DPM , rapid set floor repair mortars and curing membranes. These products are variously formulated for chemical resistance, slip resistance, hygiene and decontaminability, heavy wear and early trafficking.

Safety flooring

The Ronadeck Instants range comprises GRP safety sheets, stair treads and nosings, gratings and ladder rungs which are instantly fixed using screws and/or adhesives to create excellent traction and DDA-compliant sight lines for the visually impaired.

 Waterproofing and tanking

Two coats of Ronafix tanking render will waterproof a basement, creating new living, working, or storage space. Products include polymer modified weatherproof and watertight renders, waterproof membranes and a fast-setting, water-plugging product.

Approvals and warranties

Ronacrete has BBA certificates for Ronafix Concrete Render Admixture, Ronafix Brick Slip Adhesive Mortar Admixture, Ronafix Admixture for Thin Screeds and Floorings, Ronacrete Concrete Repair Admixture, Ronabond Concrete Repair Mortar and Ronabond Bedding Mortar.

 Insurance warranties are available for selected applications such as concrete repair and protection or basement tanking.

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