Cornerstone

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With a wealth of knowledge & experience, Cornerstone challenges the one-size-fits-all approach with a diverse range of lime-based products.

While lime has been used for centuries, the Cornerstone team knows the future lies in innovation and meeting the industry's evolving needs. Working collaboratively with their team, clients, and suppliers, they aim to meet the industry's complex needs with lime-based products that are accessible, efficient, and consistent in performance, all while meeting the needs of those working with the materials on the ground. Supplying lime mortars, renders, and plasters worldwide, Cornerstone's products have made their way onto prestigious buildings and famous landmarks across the globe.
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Explore the range

Cornerstone Drymix Lime Mortar Range

Cornerstone Drymix Mortar

0 out of 5
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A breathable ready mixed multi-purpose lime mortar for pointing and general building work.
From £12.56 £15.07 Inc VAT
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Cornerstone Insulating Render and Plaster

Cornerstone Insulating Render

5.00 out of 5
1 Review
A lightweight render for improved insulation and thermal performance of solid wall masonry.
£15.55 £18.66 Inc VAT
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Cornerstone Promix Lime Render and Plaster Range

Cornerstone Promix Render & Plaster

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A lime render and plaster with workability, reduced chance of shrinkage and an improved cure.
From £14.58 £17.50 Inc VAT
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Cornerstone Burnt Sand Mastic

Burnt Sand Mastic

0 out of 5
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For forming joints between timber window & door frames, render or masonry.
From £35.99 £43.19 Inc VAT
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Cornerstone Harbour Mix Lime Mortar

Cornerstone Harbour Mix Mortar

0 out of 5
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A fast-setting, sulphate-resistant and durable waterproof mortar for marine environments.
£16.03 £19.24 Inc VAT
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Cornerstone Heritage Masonry Grout Range

Cornerstone Heritage Masonry Grout

0 out of 5
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A pumpable cement-free grout for void filling and consolidation of historic solid masonry.
From £25.3 £30.36 Inc VAT
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Cornerstone Heritage Range Lime Mortars and Renders

Cornerstone Heritage Mortar & Render

0 out of 5
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A multipurpose NHL-free mortar with a high free lime content to replicate historic mortars.

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Cornerstone Lime Paint

0 out of 5
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A collection of traditional lime paints with a natural matte finish. Available in 0.1L, 5L.
From £3.23 £3.88 Inc VAT
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Cornerstone Marine Mix Marine Range Mortar

Cornerstone Marine Mix Mortar

0 out of 5
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A fast-setting mortar for tidal zones, submerged areas or applications in contact with water.
From £14.6 £17.52 Inc VAT
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Cornerstone Newbuild Lime Mortars and Renders

Cornerstone Newbuild Mortar & Render

0 out of 5
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A flexible, low-carbon lime mortar, render and plaster for modern or new build construction.
From £13.35 £16.02 Inc VAT
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Cornerstone Roofline Medium Mortar

Cornerstone Roofline Medium Mortar

0 out of 5
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A fast-setting mortar for above the roofline, including hip tiles or the bedding ridge.
£15.55 £18.66 Inc VAT
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Cornerstone Performance Scantle Mix Mortar Bag

Cornerstone Scantle Mix Mortar

0 out of 5
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A fibered mortar with an early set and bond for bedding natural slate or roofing materials.
£16.33 £19.60 Inc VAT
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Cornerstone Performance Tanking Render

Cornerstone Tanking Render

0 out of 5
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A fast-setting, waterproof and sulphate-resistant render for internal areas exposed to water.
£19.81 £23.77 Inc VAT
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Cornerstone Performance Winter Mix Lime Mortar

Cornerstone Wintermix Mortar & Render

0 out of 5
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A multipurpose mortar for cold climates requiring rapid strength to resist frost damage.
£15.18 £18.22 Inc VAT
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Cornerstone Performance Woodlath Render

Cornerstone Wood Lath Render

0 out of 5
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A flexible fast-setting fibred mortar to help reduce slump and speed up application on lath.
£16.76 £20.11 Inc VAT
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