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Johnstone's Primers Alkali Resisting Primer White
Johnstone's Alkali Resisting Primer is a solvent-based primer and sealer formulated for interior and exterior use on new or bare plaster, concrete, cement and rendered surfaces. Used as a primer on unpainted surfaces and as a sealer on powdery substrates it provides exceptional resistance to alkali attack.

Johnstones Alkali Resistant Primer 5 Ltr

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