Product was successfully added to your shopping cart.

Performance Range

Designed and engineered for specific applications, solutions and properties.

With the availability to customise and create a mortar for every requirement throughout the construction process. These performance mortars are created using various blends of St. Astier NHL’s, Vicat Prompt Natural Cement, selected sands and working aids.


  1. Cornerstone Scantle Mix

    A fibred mortar designed for bedding natural slate and other roofing materials.

    £9.77
    Incl. VAT: £11.72
  2. Cornerstone Marine Mix

    Designed for use in exposed locations in close proximity with water, especially tidal zones.

    £9.77
    Incl. VAT: £11.72
  3. Cornerstone Woodlath Render

    Designed as a base coat to key into wooden laths.

    £9.77
    Incl. VAT: £11.72
  4. Cornerstone Insulating Render

    One of very few viable solutions available for insulating older buildings.

    £10.63
    Incl. VAT: £12.76
  5. Cornerstone Harbour Mix

    Similar to the Marine Mix but completely waterproof and resistant to sulphates.

    £13.15
    Incl. VAT: £15.78
  6. Cornerstone Wintermix

    Natural Hydraulic Lime render, formulated to rapidly develop strength to resit frost damage within 10 days. Special Offer: 20% off until 31st January 2018!

    £10.38
    Incl. VAT: £12.46
  7. Cornerstone Tanking Render

    Designed for internal applications where the presence of liquid water is constant.

    £14.78
    Incl. VAT: £17.74
Set Ascending Direction

7 Item(s)

This site uses cookies. By continuing to browse this site you are agreeing to our use of cookies. Find out more here.
x