Den Braven Stonemason's putty, 280ml, black

All about the product

For sealing cracks and joints in fireplace and fireplace mantels, stoves, furnaces, chimney flanges, flues, open fireplace joints, chimney systems. Complete curing time approx. 24 hours depending on temperature and joint thickness. Hard after curing. One-component caulking joint sealant based on sodium silicate.