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BIRSS 59 — non-shrink class R4 repair mix for floors
BIRSS

BIRSS 59 — non-shrink class R4 repair mix for floors

Concrete floor repair

This dry mix based on special cements is poured into damaged areas of horizontal concrete and reinforced concrete structures and does not shrink. Strength develops quickly: 30 MPa after 3 days, 40 MPa after 7 and at least 50 MPa after 28 days. The class R4 repair compound is resistant to sulphates and chlorides, has water impermeability W12 and is suitable for production hall floors, car parks, roads and runways.

Specifications

ManufacturerBIRSS — AO “Opytny Zavod Sukhikh Smesey”, Moscow
Typeconcrete floor repair
Useproduction halls, warehouses and logistics, car parks and ramps, outdoor areas, chemically resistant
Basenon-shrink rapid-hardening flowable dry mix based on special cements
Colourgrey
Packagingpaper bags 25 / 50 kg
Application methodpouring; repair of horizontal concrete and reinforced concrete structures in a layer of 20–60 mm; curing during the first 1–2 days
Application temperature+5…+35 °C
Curingcompressive strength: 3 days — 30 MPa, 7 days — 40 MPa, 28 days — 50 MPa
Key propertiesclass R4; 28-day compressive strength at least 50 MPa; 28-day flexural tensile strength at least 9 MPa; adhesion at least 2.0 MPa; modulus of elasticity at least 23000 MPa; water impermeability W12; frost resistance F2 400; sulphate resistance coefficient at least 0.9; service temperature −50…+70 °C
Layer thickness20–60 mm (optimum layer thickness)
Consumption19–20 kg per 1 m² at a thickness of 10 mm; 18–20 kg/m² per 10 mm; 50 kg yields at least 26 l of mortar
StandardsSTO 05668056-004-2012; class R4; QMS GOST ISO 9001-2015

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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