Rock-Tite Exterior Porcelain & Stone System

The Rock-Tite system comprises a Primer, a Mortar and a Brush-In Grout. It is designed for use by landscapers and garden designers, as well as tile fixers. It is ideal for the key trend in the tiling market of extended an internal tiled space to terrace or patio areas outside a building. The three step process can be viewed here.

  • 3-part system
  • Suitable for porcelain and natural stone
  • System guarantee
  • High strength
  • Just add water
  • Air-drying brush-in grout

Norcros Rock-Tite Porcelain Primer is fibre-reinforced, polymer modified cement-based primer designed to improve adhesion and bond strength when applied to the underside of porcelain and other low-absorption types of paving. It is easy to use and suitable for use both internally and externally in both domestic and heavily trafficked installations.

Norcros Rock-Tite Mortar is a fibre reinforced sand:cement mortar specifically designed for bonding concrete, natural stone and porcelain paving slabs to both hardcore and solid bases. The mortar only requires the addition of water and contains the specially designed Rock-Tite additives to improve performance, workability and freeze/thaw resistance of the mortar mix.

Norcros Rock-Tite Grout is a cement-free brush in permeable jointing compound designed for filling joints from 3mm wide between concrete, natural stone and porcelain paving slabs which have been laid onto a solid permeable base using Norcros Rock-Tite Mortar. It has been specifically developed to match the Norcros 4 into 1 and Flexible Wide Joint Grout colours to complement tiles used indoors and to create a continuous living space.

Rock-Tite Exterior Porcelain & Stone System is available in the following colours:

Blanched Almond
Steel Grey
Tropical Ebony
Coloured silicones are available in:
Blanched Almond, Steel Grey & Tropical Ebony. Coloured silicone.

Technical Documents

Grout swatch

Grout colours

We’ve a great range of grout colours and matching silicones to suit.

Grout stick

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How To Guides

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Resilient Flooring To Concrete / Sand : Cement Screeds Over 75% RH

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Case Studies

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Case Study

Sugar Quay

Sugar Quay is a new residential site, currently under development. It is situated in one of the most prestigious riverside locations still to be developed in London on the north bank of the River Thames near to the Tower of London. The core of the project is the replacement of a 1970s office block with […]

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Case Study

Fisherman’s Church

Channel 4’s programme; The Restoration Man, saw Jackie Robinson and Neil Worrell renovate the old abandoned St Peter’s church.

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Case Study

Barratt/David Wilson Homes

Norcros Adhesives are proud to be the sole national specifier and supplier of adhesive and grouts for all Barratt and David Wilson Home builds.

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Technical Support

Technical Support

For technical information about Norcros Adhesive products please call: 01782 524140

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How to videos

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