Rustins advanced wood preserver 5l rustins awcl5000 a 5l can of advanced wood preserver from rustins is a low odour non flammable product based on micro emulsion nanotechnology the ultra fine particle size allows deep penetration of the preserver to take place so the performance of the product is much greater than standard wood preservation products for use against wood boring insects and wood rotting fungi within domestic commercial institutional and industrial premises rustins awcl50