Slate Tile Flooring Dos and Don'ts

A Selected List to Guide the Success of Your Slate Tile Floor Installation

Rob Jones

The popular use of slate tile flooring in many areas of residential and commercial interiors and exteriors is a tribute to its versatility and aesthetic value. With its distinctive surface, ease of installation and workability, decorative color variation, and its natural slip-resistance that makes it a great choice for practicality and look. With slate, you always have firm footing!

Do:

• Consider the area in which you wish to install your slate tile flooring and be sure that the type of slate you choose to buy is appropriate with regard to climate, foot traffic and any other pertinent factors.

• Consider the substrate over which you will install your slate tile, and make sure that it is suitable for your specific choice. Always ask your sales rep about the suitability of your substrate in relation to the slate tile product you buy.

• Expect color variations and use them to your advantage when approaching the layout of your slate tile.

• Read all warranty information provided, and any other instructions or information pertinent to your slate tile flooring purchase.

• Layout your slate tile flooring in a dry run, and test the color patterns, thickness variation, and overall spacing of your particular batch of slate.

• Use a type of mortar for slate tile that is conducive to your interior or exterior installation. Seek advice from sales reps as to specific brands and varieties of mortar and always read the instructions on any products you buy.

• Choose a appropriate slate tile flooring sealant. Some varieties you might consider are high-gloss (which gives your slate tile a lustrous "wet look"), low sheen (which is reflective, but not as shiny as high-gloss), or no sheen, sometimes known as natural finish. The look that these finishes provide are down to taste, but (once again) it's a good idea to make sure that your sealant is suitable for slate tile.

• Hire an experienced flooring professional if you don't have experience in laying slate tile yourself. This can help you to avoid costly mistakes.

Don't:

• Forget to allow for breakage and waste when you place your order. Accidents can happen, both in transit and on the job site.

• Fail to inspect your substrate for loose materials or dirt. It is important to have a clear, clean and level substrate for a slate tile flooring installation.

• Install slate tile flooring on a wet surface. Despite the resilient nature of slate, trapped moisture remains to be something to be avoided in any installation.

• Apply a sealer to a slate tile floor that has been waxed or oiled but has not yet cured. The resulting marks left by walking on a slate tile floor that hasn't cured can be difficult to remove later.

• Begin grouting too soon. It's a good idea to wait at least a day before grouting your slate tile in order to allow the mortar to properly set.

For a more complete set of guidelines for slate tile flooring, it's best to consult with the experts directly!

Published by Rob Jones

Rob Jones is Communications Coordinator with BuildDirect (http://www.builddirect.com/), a leading online wholesaler of building products.  View profile

  • Slate is a natural material, and variations in color should be expected.
  • Ask questions of the professionals, and make sure you are familiar with warranty information
  • Slate can be installed indoors and out, but in either case your slate tile must be sealed
Slate is a natural stone that was formed when ancient oceans receded. It is therefore most common in coastal regions.

18 Comments

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  • lcb 9/6/20109/5/2010

    we recently had installed slate tile in the kitchen, after it was grouted it seems to have a dull look, is there anything i can do to restore the beauty of the stone

  • Mark Kubler8/13/2009

    When applying penetrating sealer to natural slate tile (prior to grouting), should I allow the sealer to seal the tile edges as well as the top surface? One store says absolutely not...it will interfere with the grout bond. Of course another store says, definately yes...it will prevent the grout color or future liquids from bleeding and staining the slate tiles.

  • Mike Doria8/10/2009

    Can I put slate tile over an existing outside concrete patio?

  • J.T.2/22/2009

    Hi, We just installed 16x16 black Brazilian POLISHED 16x16 slate. We were sold SPARKS oil based for the matte/natural finish. Our installer per can directions applied it.It took over 8 hrs to dry. Also it is more of REFLECTIVE/HIGH GLOSS shine. Can we get it back to a natural finish? Using what? Thxs.

  • Your name12/29/2008

    I want to reface my fireplace from brick to slate tile. Can I mortor the slate over the existing brick or should I build a new wall around the brick?.

  • Ron12/22/2008

    How well can slate tile be cut? What type of bit is best for making holes (a 3" round shower valve hole)?

    Thanks

  • Steve11/15/2008

    Yes you do need to remove all tile that does not have a subfloor underneath. Unless you ar eon concrete, if you dont the wood floor with shift with time and the tile and grout with crack

  • Sandy10/23/2008

    My husband and I are buying a home and we noticed the kitchen floor was done in slate and our question is how do you make the high spots in the slate disappear. When we walk on the floor sometimes we will trip and also the kitchen table rocks? Is there any way to correct this problem?

  • Tania Hryciuk10/20/2008

    Hi, I put in slate flooring throughout my home, but didn't have time to finish it. I called to have someone come in and finish it for me and was advised that I have to remove all that I put down because I didn't lay a sub flooring under it. DO I have to remove, or can I just let it be?:(

  • Matt8/31/2008

    Hey I removed a stationary island with rounded corners from the middle of the kitchen of the house I just bought. I have replacement slate tile, but I need to know if there is any way I can simply notch corners into the existing slate or would I have to pull up a few lites or what

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