High performance fibre reinforced medium weight concrete reinstatement mortar. For the reinstatement of reinforced concrete where low permeability characteristics are required and where higher compressive strength is a consideration. Renderoc HB45 has been specifically developed for the repair of columns and beams, but because of its medium fresh wet density, is also suitable for soffit repairs. Size: 25kg bag Coverage: 1.4m 2 @ 10mm thickness