Whether or not you have under floor heating.
5ply vs 3 ply engineered wood flooring.
As far as 3 ply to 5 ply all i can tell you is i have installed both and they were easy to work with and fit well.
Ultimately we believe multi ply engineered flooring is the best option.
The three ply might be fine until it gets wet.
They have slight differences.
The plywood is normally cross structure with 1 5mm thick of each ply in odd number 5 layer 7 layer or 9 layers and with the back layer same grain direction to the hardwood veneer lamellas.
When you are deciding between three ply and multi ply engineered wood flooring it s important to consider the conditions in your room as well as the moisture content of the sub floor.
When deciding between 3 ply and multi ply engineered wood flooring remember to think about the conditions in the interior where the floor is to be fitted including the moisture content of the sub floor.
Multi ply engineered wood flooring is made up with 3 6mm hardwood veneer quality plywood structure.
A three ply board is more likely to risk damage through moisture and temperature fluctuations than a multi ply board.
A multi ply board is less likely to risk damage due to moisture and temperature fluctuations as compared to a 3 ply board.
And it s not all hardwood in most cases softwood cores are the norm now.
It is a stronger flooring option will last longer is more resilient and resistant to warping and is overall more durable than 3 ply.
I looked in my area for the old 5 ply laminated wood and could find none readily.
It has the same wear layer a a reall hardwood solid floor.