Cement backer board is a DIYer's friendit will let you lay down tile without using a thick bed of mortar. But you'll need to cut it down to size, and here's how.

Most cement backer board manufacturers recommend you tape the joints between the pieces similar to how drywall joints are taped. This creates a continuous backing support for the tiles.

To install cement board over plywood, first ensure the plywood surface is clean, dry, and level. Measure and cut the cement board to fit the area, then spread a thin layer of thinset mortar onto ...

What was more surprising was that cement based backer boards were available when this home was built and this green board use reflects a cost-cutting measure that is usually a mistake.