... 2.well-sealed one-component ; 3.polyurethane building seala construction adhesive CS-a4 is a kind of high-powered,elastic ... to all kinds ofexpansion joint of buildingk,deformation joint,construction joint sealing.Suitable for various types of stone flooring, ... decration,the same for other building walls,access panle.Construction attentions:1.Carefully check relative identifier of sealants products. ...