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TREMproof Eco Nem:

TREMproof Eco Nem


Key Benefits Summary

Solvent free and suitable for confined areas

Meets the benchmark for VOC's in the Green Building Council of Australia Ratings

Class III Elastomeric liquid applied membrane


Product Information



TREMproof Eco Nem is a low VOC single component elastomeric

Class III liquid applied waterproofing membrane with fibre reinforcement for use in internal wet areas.



TREMproof Eco Nem is suitable for use for internal wet area waterproofing.

It is water based and safe to use with minimum odour. For Green Building requirement- TREMproof Eco Nem is solvent free suitable for confined areas. It also meets the benchmark for VOC's in the Green Building Councill of Australia Ratings. TREMproof Eco Nem complies with AS4858:2004 (internal membranes) as a class III Elastomeric liquid applied membrane. TREMproof Eco Nem does not require the use of reinforcing fabric. It can be used over concrete, F/C sheet, plasterboard, timber and most building materials. It can also be used above or below floor screeds.




Shower recesses


Other internal wet areas



Not suitable for external use

Not suitable for backfilled soil applications

Not suitable for planter or landscape applications.





Pack size

15 Litre pail


Technical Information




Grey viscous liquid

Bulk density


Re-coat time

4-6 hours @25 C

Drying time

12-16 hours @25 C

Full cure

3 days @ 25 C

Application Temperature

5 C to 35 C

VOC Content

<2 grams

Elongation at break


Tensile strength


Min. Dry film thickness

1.00mm (undertile)


Usage Guidelines


All concrete should have a wood float finish and be cured for at least 28 days.

Rendered surfaces should be allowed to cure for at least 7 days prior to waterproofing.

Ensure all surfaces are sound, dry and free from movement, oil, dust, grease, wax, curing compounds, release agents and any other loose contaminating materials.

All fibre cement sheets, compressed fibre cement, plasterboard structural particle board and plywood must comply with the relevant building code and be fixed in accordance with the manufacturers instructions.

The surface must be smooth with no protrusions or major irregularities.

All screws and nail heads must be sealed with Dymonic 100 (do not use acid cured silicones or waterbased products).

Cracks up to 2mm and control joints should be filled with Dymonic 100 and then be taped using Tremco Polyflash Tape. Internal sheet joints should also be treated in the same way.

Prime substrate using Tremproof 200EC or Tremproof WB primer.

If the concrete contains moisture consult a tremco representative.

At wall floor junctions, apply Dymonic 100 sealant (do not use acid cured silicone or water based sealants) to form a radiused fillet of at least 25mm diameter creating a bondbreaker of at least 15mm.

Allow the sealant to cure before applying membrane.




TREMproof Eco Nem should be applied in accordance with AS3740:2010 for internal applications.

After preparing the substrate as above, use a paint brush or roller to apply 2 coats allowing the product to completely dry between coats.

The coating should form a seamless film that comes down the wall, across the floor and into the waste. Inspect each coat for pinholes, bubbles or defects and repair on next coat.


Dry film thickness for under tile applications should be minimum 1mm after 2 coats, DFT.

Protect the membrane from water, bad weather and damage until it is fully cured. Do not tile or lay screed over membrane until it is fully cured.

If water seal testing is required for more than 1 hour, allow membrane to re-dry for an extra day after draining.



1 and a half litres per square metre to achieve minimum 1mm DFT.



Use clean water to clean tools and other areas whilst membrane is still wet.



TREMproof Eco Nem is available in 15L.


When stored unopened in a cool dry place TREMproof Eco Nem will have a shelf life of 12 months.



Hazardous - contains cement silica.

Wear gloves and mask when handling.

Wash hands thoroughly after use. 


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