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Underlay & Floor Protection

Underlay goes under a floating floor to make it softer and quieter. Our laminate needs it, and our hybrid floors already have it attached. Laying laminate on concrete? Put moisture barrier film down first. All sold by the roll, from $40, delivered Australia-wide.

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3 products

3 products

Products

Which underlay do you need?

Your floorFoam underlayMoisture barrier film
Laminate on concreteYesYes, under the underlay
Laminate on a timber floorYesYes, if there's a crawl space under the floor
Our hybrid floorsNo, it's already attachedNot usually: some installers add it on a damp slab
Glue-down vinylNo, it's glued to the floorNo

Floor protection suits any finished floor. Lay it down while painters, plasterers or cabinet makers work, then lift it. Another floor? Its installation guide, on its product page, says what goes under it.

How many rolls of underlay do you need?

Foam underlay comes in 20 m² rolls and film in 100 m² rolls. Measure your floor (multiply length by width), then round up to whole rolls. For laminate on concrete, at today's prices:

Floor areaFoam underlayMoisture barrier filmTotal
10 m²1 roll ($40)1 roll ($100)$140
20 m²1 roll ($40)1 roll ($100)$140
40 m²2 rolls ($80)1 roll ($100)$180
60 m²3 rolls ($120)1 roll ($100)$220
80 m²4 rolls ($160)1 roll ($100)$260

Underlay joins butt together with no overlap. Film joins overlap and the film runs up the walls, so allow a little extra. Each product page works out the rolls for your floor.

Underlay and floor protection questions

Straight answers to what people search for most.

Do I need underlay for hybrid flooring?

Not with our hybrid floors. Every board comes with underlay already attached: 1.5mm on 6.5mm and 2mm on 9.5mm. Don't add foam underlay under it. Too soft a base can make a click floor bouncy and strain its joins.

More in our guide: Underlay for hybrid flooring: do you need it?

Does laminate flooring need underlay?

Yes. Our laminate's installation guide asks for foam underlay under every laminate floor. Roll it out the same way as the boards, butt the joins together with no overlap, then tape them.

Our foam underlay is 2mm with a silver foil top, $40 for a 20 m² roll.

Do I need a moisture barrier on concrete?

For laminate, yes. Lay plastic film over the concrete first, then the underlay. Overlap the joins and tape them. Run the film 10cm up the walls, and trim it once the floor is down.

For our hybrid floors, the attached underlay does the job on a dry slab. Some installers add film on a damp slab: have the slab tested first.

Our moisture barrier film is 200 micron, $100 for a 100 m² roll.

How many rolls of underlay do I need?

Measure the floor in square metres: multiply length by width. Divide by 20, the m² in one roll, and round up. A 45 m² floor needs 3 rolls.

Moisture barrier film comes in 100 m² rolls. Allow a little extra, as its joins overlap and it runs up the walls. Each product page works out the rolls for you.

What is floor protection for?

It's a 2mm mat you lay over a finished floor while other work goes on, like painting, plastering or fitting a kitchen. It helps keep paint, dust and dropped tools off your new floor. When the work is done, you lift it up.

Our floor protection is 2mm, $66 for a 20 m² roll.

Can underlay fix an uneven floor?

No. Underlay is for comfort and sound, not for levelling. Fix dips and bumps in the subfloor first: sand down high spots and fill low ones. Our subfloor guide shows how.

Is underlay delivered?

Yes, Australia-wide, on its own or with your floor. Delivery is worked out at checkout.

Underlay and installing guides

Straight answers before you lay your floor:

Choosing the floor too? See our laminate flooring and hybrid flooring.