Marine

For water bearing masonry

Our ready-mixed natural hydraulic lime or natural cement mortars are expertly engineered for building and pointing water-bearing masonry above or below the water line.

With various strengths, setting times, and degrees of water resistance or waterproofing, this range allows for the right balance of durability, workability, and washout resistance.

Cornerstone Marine L4 Mortar

Marine L4 Mortar

A lime mortar for exposed applications above water level, with an extended open time, flexibility and natural buff finish.

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Cornerstone Marine LP6 Mortar

Marine LP6 Mortar

A natural cement and lime mortar well-suited for well-suited for weaker substrates requiring a lower strength and fast set.

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Cornerstone Marine LP8 Mortar

Marine LP8 Mortar

A natural cement and lime mortar well-suited for masonry requiring an NHL-strength mortar but with an accelerated fast set.

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Cornerstone Marine P10 Mortar

Marine P10 Mortar

Our lowest strength natural cement mortar but with a speedy set time for masonry above and below the water level.

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Cornerstone Marine P15 Mortar

Marine P15 Mortar

Our most popular water-resistant natural cement mortar with a speedy set time for masonry above and below the water level.

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Cornerstone Marine P30 Mortar

Marine P30 Mortar

A water-resistant natural cement mortar for aggressive marine areas requiring a high strength without being waterproof.

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Cornerstone Marine P50 Mortar

Marine P50 Mortar

A fully waterproof natural cement mortar for aggressive marine areas requiring a high strength and speedy set.

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Cornerstone Marine P60 Mortar

Marine P60 Mortar

Our most robust waterproof and chemically resistant mortar for heavily polluted environments where a mortar is at risk of degradation.

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Expert support on hand

Not sure which to choose? Get straightforward and practical support when you need it.

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