Can be constructed into a semi-permanent, high-visibility barrier, indoors and out.Pliable open-cell foam barrier which springs back into shape after you walk or roll on it with light wheeled equipment.Secure to a smooth, sealed surface for best sealing results.A corner will help create liquidproof junction at a 90° angle.A vented corner will prevent seam rupture by letting air escape when a trolley rolls over.A wall end will seal flush against the floor and the wall.427297 is a kit which includes: 2 barriers, 4 corners and 6 sealant tubes.Barrier height: 50mm.