PRIMER 4500

PRIMER 4500

PRIMER 4500 is a specific waterborne primer for substrate impregnation of gypsum boards.
Specifically designed to improve adhesion and stickability of CHAR 21 to enhance its fireproofing performance on drywall.
Saturation of the substrate also improves leveling and reduces brush marks and orange peel by reducing substrate absorption.
Thin as specified and apply the right amount to obtain substrate saturation while avoiding excess. No film should appear on the surface after drying.
Specifically tested in EN 1364-1 fire tests for perfect performance of CHAR 21.

Colour: transparent
Comes in 5 L plastic tanks

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