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What is Burnt Sand Mastic?

What is Burnt Sand Mastic?

Posted by Ian, Celtic Sustainables on 10th Aug 2018

Burnt sand mastic is a traditional and arguably superior method of sealing the joints between wooden door and window frames and the surrounding masonry. The mastic fillet should be applied betwee … read more
The Lime Demo Boards at Celtic Sustainables

The Lime Demo Boards at Celtic Sustainables

Posted by Ian, Building Materials Manager on 3rd Aug 2018

Things continue to move forward in our specialist Lime products display area, the latest development being the completion of our lime plaster display boards.  In an effort to help our lo … read more
CASE STUDY : Touchwood Carpentry with Guy Rave

CASE STUDY : Touchwood Carpentry with Guy Rave

Posted by Sarah, Celtic Sustainables on 17th Jul 2018

When we heard that Guy Rave from Touchwood Carpentry had just completed two solid oak benches in Osmo for an exhibition at the Horniman Museum, East Dulwich, London, we just had to get in … read more
Why do I need to use Earthborn Silicate Primer?

Why do I need to use Earthborn Silicate Primer?

Posted by Celtic Sustainables on 29th Jun 2018

Earthborn Silicate Primer is a base coat to paint on before using Earthborn Silicate Masonry Paint. It’s a good idea to use it on the surface of any wall that is very absorbent or … read more