ProLong – ProKey

ProKey is a water based bonding aid used in the building industry to bond sand, cement plaster and gypsum plaster to smooth surfaces.

ProKey is intended for use as a key coat to promote adhesion between concrete substrates and overlaid plaster based on cement, gypsum plaster and self levelling underlay’s.

ProKey is especially suitable for use under alkali condition. The product exhibits very good water resistance and good stability when used with cement based products.

Size: 5lt, 10lt and 25lt