Hardwood Flooring on Joist


Thousands of homeowners all over Australia put their trust on solid hardwood floors when updating their home’s flooring. This is because hardwood floors have a timeless appeal that remains unaffected even though the design trends keep changing. Most importantly, hardwood flooring installation can be a hassle-free process provided the installer is patient, knowledgeable, and equipped with the right kind of tools.

In today’s post, we will discuss the installation for solid hardwood floors on joist

Before sharing this  information, here is something important about solid hardwood for you to take into account. A Few weeks before installing your flooring, it is necessary to leave the wood inside your home. This will ensure that the flooring acclimatises to its environment and will prevent  shrinkage and cupping after installation.

Hardwood flooring on Joist

The subfloor needs to be even. An uneven subfloor will lead to a squeaky floor. There are different options to achieve this but it will depend on the level of correction needed.

If the  subfloor is on concrete, you will need to check the level of humidity present in the concrete slab, it may be necessary to lay a moisture barrier. If you are living in an apartment and you have chosen to go with this type of installation, you may be required by strata to lay acoustic mat before installing your joist or for a better acoustic, it is recommend to fill the gap between the joists by a fibrous insulation material (deverre wool, rock or wood fibers)

A little tip, choose a joist equivalent to the hardness of the hardwood floor that you are going to lay. The nailing will be more resistant. Lay the joist perpendicular to the direction of the hardwood boards.

The axis between the joists will be 0.45m for boards minimum 20mm thick.

Today however most hardwood floors such ad Oak, Walnut, Ash, are suitable for a glued installation.