CTEF Blog - About Tile Education and Installer Certification

I hope you don't use spot bonding or "five spotting" when installing ceramic tile. It's a problem that's high on the list of failure questions received by the CTEF offices when things go wrong. 

It’s also one we featured at Coverings 2018 in the Installation Experience Hall of Failures.

In case you didn't read How to Correctly Trowel Mortar When Installing Tile? or you still think it's okay, let's review in detail why you need to eliminate even the thought of using spot bonding for your ceramic tile installation projects.

Do you spend time ensuring that your tile layout is centered and balanced, with no small cuts? I hope so since this is the most effective way to ensure that a tile installation has a professionally installed appearance.

If you're wondering whether it's better to install tile under cabinets or not, the answer is... it depends. It depends on the structure of your home as well as your kitchen and its subfloor, the materials selected, and your own preference.

What challenges have you encountered getting the coverage you need under large wall tile? There are two aspects to this question. 

The first has to do with size. Many projects today call for ever-increasing tile sizes, many of which are rectangular shapes such as 12” x 24”, 18” x 36”, 24” x 48”, and larger creating difficulties for the installer when bonding the tile to the substrate. 

>> See Do You Have Enough Mortar to Accommodate Most Tile Warpage?

The second has to do with walls.

If you're having porcelain tile installed and you're looking for confirmation or validation that the project will be completed correctly, where do you go?

We recommend two paths:

1. Know where to find porcelain tile installation standards
2. Know where to find tile installation experts for the project

Let's explore.

For a beautiful and long-lasting tile installation, you need to ensure that every facet of the job is completed properly according to tile industry standards and best practices. The key element here is the foundation of the installation and that's where underlayment for tile solves a multitude of problems.

Flooded tile installations have been top-of-mind lately given two extreme hurricanes within two weeks. In anticipation of questions, we're pooling together advice about how commonly dry area tile installations act as a submerged swimming pool-like installation for a period of time.

Since we don't have all the answers, we anticipate this article being a work in progress. As we come upon new information, Robb Roderick CTI #727 and Mark Heinlein CTI #1112 - both National Tile Contractors Association trainers - and I will add to this discussion. 

How often are you including tile edge protection in your tile assembly specifications? Although not required for all installations, edge protection absolutely provides better results.

Ultimately, if you're serious about delivering only high-quality installations of ceramic, porcelain, and stone tile, you must have the hand-skills to put the entire tile assembly into place along with the knowledge of what products are available to finish the project successfully.

Thinking about protecting tile edges is a perfect example. 

What goes into evaluating a finished tile installation?

At times, this can be the most frustrating part of the project - for both the installer and the homeowner or project owner. Why? Because of finished tile expectations, naturally-occurring variations and other unexpected situations that fall within industry standards.

Were you aware that expert tile installers and contractors play a critical role in tile installation best practices and standards?

An example of this is the National Tile Contractors Association (NTCA) Technical Committee where qualified tile contractors actively participate.