Troweling? Form matters. Holding a thin-set trowel at a 90° angle vs. a 45° angle increases the height of the trowel ridges by almost 30%! This translates to better adhesion and greater contact area between the tile and the substrate.
![tips for applying substrate with trowel](https://www.shagtools.com/wp-content/uploads/2021/09/trowel-tip.jpeg)
Troweling? Form matters. Holding a thin-set trowel at a 90° angle vs. a 45° angle increases the height of the trowel ridges by almost 30%! This translates to better adhesion and greater contact area between the tile and the substrate.