



MJS Floorcoverings’ experience in the Australian flooring industry has resulted in the superior quality found in their engineered underlays. Knowledge of both commercial and domestic applications is evident in the finish this floating floor underlay range provides.
Engineered with quality products these underlays will enhance the performance of all laminate and timber flooring with sound block and moisture block goals covered.

MJS MOISTURE BLOCK BLUE
Code: MB250
Moisture Block Blue MB250 is a Double Sided Laminate PE Film available in 2mm thickness designed exclusively for use under all Laminate & Timber Floating Floors. It is an EPE foam with closed cell structure.
Gauge: 2mm
Density: 25kg/m3
Width: 1.1m
Length: 50 Lm

MJS MOISTURE GUARD
Code: MG320
Moisture Guard MG320 is a Double Sided Laminate PE Film 3mm thick underlay exclusively for use under all Laminate & Timber Floors. It is a closed cell polyolefin foam structure with a 200UM polyethylene plastic sheet as per the ATFA’s Engineered Flooring Industry Standard 2018.
Gauge: 3mm
Density: 250kg/m3
Width: 1.1m
Length: 20Lm

MJS SOUND BLOCK RUBBER 3MM
Code: SB310
Sound Block Rubber SB310 is available in 3mm thickness designed exclusively for use under all Laminate & Timber flooring. It is a natural rubber with closed cell structure giving excellent sound absorption qualities.
Gauge: 3mm
Density: 880kg/m3
Width: 1.0m
Length: 10m

MJS SOUND BLOCK RUBBER 4MM
Code: SB410
Sound Block Rubber SB410 is available in 4mm thickness designed exclusively for use under all Laminate & Timber flooring. It is a natural rubber with closed cell structure giving excellent sound absorption qualities.
Gauge: 4mm
Density: 880kg/m3
Width: 1.0m
Length: 10m

MJS SOUND BLOCK ORANGE
Code: SB250
Sound Block Orange SB250 is available in 2mm thickness designed exclusively for use under all Timber & Laminate flooring. It is a closed cell structure giving excellent sound absorption qualities.
Gauge: 2mm
Density: 95kg/m3
Width: 1.0m
Length: 50m

MJS DUAL BOND RUBBER 3MM
Code: DBR310
Dual Bond Rubber DBR310 is a Dual Bond Rubber underlay available in a 3mm thickness designed exclusively for use under Engineered Timber & Laminate flooring. It is a dense, high quality, recycled rubber.
Gauge: 3mm
Density: 600kg/m3
Width: 1.0m
Length: 10m

MJS DUAL BOND RUBBER 4MM
Code: DBR410
Dual Bond Rubber DBR410 is a Dual Bond Rubber available in 4mm thickness designed exclusively for use under Engineered Timber & Laminate flooring. It is a dense, high quality, recycled rubber.
Gauge: 4mm
Density: 600kg/m3
Width: 1.0m
Length: 10m

MJS DUAL BOND RUBBER 5MM
Code: DBR510
Dual Bond Rubber DBR510 is a Dual Bond Rubber underlay available in a 5mm thickness designed exclusively for use under Engineered Timber & Laminate flooring. It is a dense, high quality, recycled rubber.
Gauge: 5mm
Density: 600kg/m3
Width: 1.0m
Length: 10m

The patented InstaLay product range is unique, not only providing a rapid floorcovering installation system, it also simultaneously adds man benefits to the finished floor, including the following:
- Improved footstep comfort
- Superior acoustic performance (severely reducing impact and reflected noise)
- Unique thermal function (restricts rising cold but allows warm air transmission)
- Natural anti-microbial and anti-allergen status
- Green Label Plus – low VOC rating
The following two different InstaLay products are now available from MJS Floorcoverings:



InstaLay – High Grab Adhesive
Code: I25HG
The I25HG is 2.5mm thick and has a high grab adhesive membrane for permanent bonding of the floorcovering. It is the recommended product for the installation of the following floorcoverings:
- Dryback LVT’s (>2mm thickness)
- WPC/Rigid Core LVT’s
- Engineered wood floors with T&G joins
Gauge: 2.5mm
Density: 452kg/m3
Width: 1.0m
Length: 15m

InstaLay – Low Grab Adhesive
Code: I30LG
The I30LG is 3mm thick and has a low grab adhesive. It is less dense than the 2.5mm product and has more cushioning which improves the floor comfort and its acoustic performance. It is therefore the recommended product for the following floorcoverings:
- Carpet tiles (but not recommended for tiles with recycled PVC backing)
- Click-join engineered wood
- Click-join wood laminates
Gauge: 3mm
Density: 443kg/m3
Width: 1.0m
Length: 15m
RESIDENTIAL FLOORING
MJS Tru Timbers
MJS Tru Visual
MJS Residential Sheet Vinyl
Armstrong Timber Flooring
Armstrong Laminate Flooring
Armstrong Luxury Vinyl Plank
COMMERCIAL FLOORING
Armstrong Vinyl Sheet
Armstrong Vinyl Tiles & Plank
Philadelphia Commercial Carpet Tiles
UNDERLAYS
MJS Carpet Cushion
MJS Floating Floor Underlay
SYNTHETIC TURF
MJS Tru Turf
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