Acoustic and impact underlay for gym floors

Why an underlay changes the outcome

In a gym above occupied rooms, impact noise, structural vibration and airborne noise need to be considered separately. An underlay alone does not establish the acoustic performance of the floor: the complete assembly and the building must be assessed.

Choosing a thickness

Thickness is selected with the loads, drop heights, substrate and finished surface in mind. A functional training area with light dumbbells and a weightlifting platform taking loaded Olympic bars have entirely different requirements, and a single specification across the whole room usually means overpaying in one zone and underperforming in another. The selected product documentation and the proposed floor assembly are checked when preparing the quotation.

Frequently asked questions

Is an underlay always necessary?

Not everywhere. The need for an underlay depends on the substrate, loads and acoustic constraints. Check that the chosen assembly preserves the stability of the finished floor and equipment.

Can it be laid over an existing floor?

The existing substrate and the compatibility of the underlay with the finished surface must be checked before selecting an installation method.

Does it solve noise complaints from neighbours?

No acoustic result can be guaranteed from the underlay alone. The complete floor assembly and building structure must be assessed case by case.

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