Sikkens Cetol BL21+ is a highly translucent water-borne base stain for use under Cetol BL31. Formulated using the latest alkyd and acrylic resin technology, Cetol BL21 plus has excellent adhesion and flexibility for optimum coating performance. Cetol BL21 plus can be used alone as a one-part system for large areas such as cladding, fencing and exterior timbers, or as a base stain providing optimum adhesion for subsequent finishing with Cetol BL31. Avaialble in 1L, 2,5L & 5L in the Natural Balance collection of 36 colour tones and 132 Cetol 'Design' colours.
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