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B&Q£189.60Visit shop - 20mm High Tensile Steel Reinforcement Bar (Rebar) For Concrete 3000mm (X10 Bars)
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The B&Q 20mm High Tensile Reinforcement Bar is engineered for structural engineers and professional contractors who require maximum structural integrity in heavy-duty concrete projects. These bars provide exceptional mechanical bonding to prevent foundation shifting and structural cracking; however, due to their 3000mm length and weight, they require heavy-duty cutting equipment and appropriate mechanical lifting or handling protocols on-site.
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Yes, they are suitable, though their 20mm gauge is typically reserved for heavier structural loads or larger-scale foundation work.
High-tensile rebar should not be welded unless the steel grade is specifically certified for welding, as it can drastically weaken the tensile properties.
Use standard tie wire and a pair of rebar pliers to secure the bars at every intersection point within your layout.
Consult local building regulations, but generally, there should be at least 50mm of concrete cover to protect the steel from corrosion.
No, they arrive ready for installation; simply ensure they are free of mud, grease, or heavy oil before pouring.
Light surface oxidation is normal; if the rust is flaky or scaling, clean it with a steel wire brush before pouring concrete.
Use an abrasive angle grinder or a dedicated hydraulic rebar cutter to trim to the exact required length.
Utilize plastic or concrete 'chairs' or spacers to keep the rebar at the correct elevation from the sub-base.
To ensure proper structural performance, always store the reinforcement bars in a dry area off the ground to prevent premature surface oxidation. While a light layer of rust is often acceptable and can even improve bonding, excessive scaling should be wire-brushed off before installation. When cutting these 20mm bars to size, use an angle grinder with a metal-cutting disc or a portable rebar cutter. Always wear appropriate PPE, including safety glasses and heavy-duty gloves, when handling. If bending is required, use a mechanical rebar bender rather than heating the metal with a torch, as heat can compromise the high-tensile properties of the steel.
