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Cornerstone Marine P50 Mortar

Cornerstone Marine P50 Mortar

Cornish Lime

£21

Price read from Cornish Lime on 2026-10-15. Check before buying.

A ready mixed natural cement waterproof mortar suitable for aggressive marine environments that require a fast set and high strength. Available in a 25kg bag. Cornerstone Marine P50 is a dry ready mixed natural cement mortar for marine building and pointing work of water-bearing masonry above and below the water level in aggressive marine environments. The first fully waterproof mortar in the Marine range, providing rapid strength development and an accelerated fast set. Available with two finishes, a coarse tan finish as standard or medium by request. Manufactured by Cornerstone using Prompt

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