Lightweight aggregate used in concrete mixes for chimney lining working temperature resistance between -200˚C to 1200˚C
- Excellent thermal insulating properties and does not propagate fire.
- Can be loose poured around flue liners.
- Allows your existing chimney to be lined without any construction work.
- Fills all voids, cracks and damaged joints to restore your chimney-stack to a perfect condition
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