'The design of reinforced concrete elements for flexure and tension traditionally assumes that the concrete is cracked wherever tensile stresses occur in the concrete. A distinction can be made between cracks that occur before hardening of the concrete and those that occur during the service life of the structure.

Hilti has introduced two enhanced systems that ensure sound anchorage even in cracked concrete. Mike Flook, regional technical service manager, elaborates on these systems. Hilti, a world-wide market leader in fixing systems has launched two greatly enhanced products suitable for cracked concrete.

Fabricators using Corus UK's Colorcoat range of prefinished steel can now specify polymer-headed screw and rivet fasteners from the SEAC Polytop range in near-equivalent colours.

3M Gulf celebrates the company's 100th anniversary with the most significant volume growth of its Scotch brand VHB (very high bond) joining systems in the Middle East region.