... .non-burn or hard-burn materials x green waterproof tile backer foamPolystyrene xps board is a kind of new ... modified layer enhancing the adhesive tensile strength of the tile adhesive.Widely used as a structural, in underfloor heating ... Perimeter insulation, thermal insulation of flat roofs, floor insulation, exterior wall insulation, ceiling heat insulation, steep roof insulation, interior fitting, ...