To darken slightly a stone oil can be used as a pre seal but must be finished with a final sealant to protect the tiles against spills etc.
Sealing terracotta roof tiles.
For this we have a product called mattstone that will completely protect the terracotta and leave a matt finish.
First treat the tile with several coats of boiled linseed oil.
There are many sealants that are either water based or wax based.
Test your terracotta tiles for porosity by placing water in the middle of a tile.
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Waterproof nature sealing terracotta tiles allows them to hold up.
Thompsons th 010100 18 clear multi surface aerosol waterproofer.
To darken more deeply an antique stone oil can be used and finished with mattstone as detailed above.
Longer lasting tiles moisture is the enemy of clay and if clay roof tiles accumulates moisture within its pours.
Two simple ways to seal terracotta flooring oil wax approach a natural version is to use a combination of boiled linseed oil and neutral beeswax.
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How to seal terracotta tiles.
To keep the terracotta in its original colour shade apply 2 3.
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Two ways to seal terracotta tiles are.
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The traditional way of pre sealing with boiled linseed oil and then finishing with neutral surface wax.
To seal your terracotta for outside use the following products can be used.
This will darken the tiles a little so to get an idea of the finished colour wet the tiles to assess the effect.
If after 15 minutes the water has soaked into the floor the tiles will need to be impregnated with boiled linseed oil.