Advised that sandblasting too harsh to remove paint off sandstone around church windows, can you suggest another way?
9th February 2010 I would suggest a chemical paint remover. Unfortunately, this is outside our product range • Can you advise how to repair a section of an insitu reinforced concrete bay window lintel which has spalled of concrete to the exterior vertical face and soffit exposing the reinforcement bar for approx 1.2m along its length. The height of spall is approximately 150mm and 60mm deep. Note the reinforcement is badly corroded so a treatment to prevent a re-occurrance would be required. 25th March 2009 Mechanically remove all loose and friable concrete and wire brush or similar the rebar to remove corrosion. Ensure the surface is free from dust and other forms of contamination. Ensure the rebar and concrete is of sufficient structural integrity to fulfil duty. Mix and apply Larcem RP to the exposed rebar and allow to harden. Mix and apply Larcem PA to the entire exposed surface and while still tacky (within approx 15min) apply Larcem 1450 Lightweight Repair Mortar. When the 1450 h
