MOUNTAIN STONEWORKS
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Stone Repair

Lithomex-what it is, and why we use it

​Lithomex stone repair mortar is the  product we use to repair damaged stone. It is completely lime based.
The common practice of using cement based renders for repairing delaminated and eroded weathered stone, creates an inflexible and non-breathable finish, trapping water and salts within the stone, and eventually leading to cracking and separation from the wall, and thus causes great damage to the underlying stonework. Lithomex contains no cement.
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We use only the latest natural, breathable, lime based materials, such as Lithomex and Façade 400, for stone repairs. They can be specifically colour matched to the clients stone in several shades, so as to blend in with the existing surface.
We remove any loose surface material and dress the stone back to a sound base. The stone is then dampened and wet Lithomex is applied. 
We then shape and sculpt the Lithomex as it slowly cures, to give an extremely authentic restoration. 
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The three stages of a Lithomex repair

A badly weathered stone
The weathered stone
After the application of Lithomex
The application of wet lithomex
The beautiful tooled finish of a Lithomex stone repair
The finished, shaped repair

Why nobody notices our repairs

We believe that stone repair should be as near invisible as possible, and we make sure the repairs match the existing colour and texture of the weathered stone and not as the stone would have looked if new.

We can, if required, add weathering, veining, clay-pockets, saw-marks, and small imperfections to our repairs, to give a more authentic look. We can repair any stonework, be it ashlar, rubble,  sandstone, granite, and replicate any finish, be it mouldings, French drag, or smooth. We can do whatever the client requires.
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Lithomex is a wonderful product but requires many years of experience and training to produce a high quality finish. 

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A repair of  an ornate stair pillar that had lost a lot of its surface detail

Three examples of the many Lithomex finishes we can achieve

A remarkably realistic brick panel carved from Lithomex
A brick simulation panel formed in Lithomex
A realistic weathered Lithomex stone finish
A close-up of 'weathered' Lithomex finish
Different Lithomex techniques forming an experimental stone panel
A sample Lithomex panel, including veining

‘I approached Mountain Stoneworks for a quote, beside two non-specialist builders, for replacement of the unsightly and damaging cement repair mortar on my sandstone-built house with lime mortar pointing. I expected their quote to be the highest and was amazed when it beat the others, but quality was not to be sacrificed.' 
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​Mrs C. Eccleston

Services

Lithomex stone repair
Lime pointing
​Stone replication

About us

Home
About us
​Current projects
Portfolio

Galleries

Lithomex stone repair gallery
Lime pointing gallery

Contacts

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  • Home
  • About us
  • Services
    • STONE REPAIR
    • LIME POINTING
    • STONE REPLICATION
  • Current projects
  • Portfolio
  • Galleries
    • LITHOMEX STONE REPAIR GALLERY
    • POINTING GALLERY
  • Contact us
  • Stone creation
  • Case Study