Cetol BL Primer is a premium quality timber primer with excellent adhesion properties. It is particularly recommended as a stain-blocking primer for use on exterior hardwoods or knotty softwoods, where it reduces extractive discolouration of water-borne finishes.

N.B. Cetol BL Primer will not prevent exudation of liquid resin

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A premium quality paint-like finish offering significant durability and Best Value benefits compared with traditional paints. Its superb covering power means that only two coats are normally required whether the timber surface is bare, new, previously painted or stained. It is suitable for most exterior timber including windows, doors, conservatories, cladding, fascias and fencing.

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