The Surface Primer is ideal for sealing porous, cracked or painted floors prior to tape laying and will improve the adhesion of applied item. Ideal for all tapes and floor markers. Use Edge Sealer to protect edges against moisture, chemicals, oil and dirt – stopping tape and markers from lifting at the edges. Each 3.785lt tin of primer will cover approx. 6.75m, a 148ml tube of Edge Sealer will seal approx. 30m of edge.