Maintaining Unilock Midnight Shadow limestone

Always follow instructions on the product labels, technical information and videos.

Always test products on a small area first.

Call us on 1-800-864-5625 if you have any queries.

Your Unilock Limestone will be much easier to maintain if you have correctly sealed it. For further information about sealing click here or see the article, below.

If you have specific cleaning issues with your Unilock Limestone such as oil stains, leaf stains, food stains or please click here or see the article, below.

Maintenance

Algae prevention. By far the most advantageous thing to do is to ensure you prevent algae and lichen from growing on your stone.  This is very easy and inexpensive to do by using Algerase. Full instructions are on the product page.

General dirt. You can use PowerClean, diluted about 1:15 with water, to remove general soiling and dirt. Full instructions are on the product page.

Food and Drink Marks following a BBQ, party or dining outside. Use PowerClean, diluted about 1:20. Full instructions are on the product page. For coloured, organic stains from wine etc. use BioClean if PowerClean is not successful.

Leaf and plant stains. Use BioClean. Full instructions are on the product page. 

For algae or black spot lichen please see our article by clicking here or see the article, below.

Pressure Washing.

Be careful..! We suggest you read our article on pressure washing by clicking here or see the article, below.