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Polyurethane polymer liquid membrane :



An advanced, high performance, one-part, fast curing, high solids, polyurethane rubber polymer version of Aquagard membrane. Aquagard M is specially designed for the installation of, high build, waterproof membrane barriers.




Aquagard M is used for bathrooms, shower trays, laundries, balconies, roof decks, sill or window flashings, retaining walls, planters, ponds, water features and landscaped areas. It can be applied to most surfaces.




- Simple application and fast cure

- Quick access for tilers

- Waterproof - resists ponded water

- No hazardous level of toxic substances

- Permanently flexible - total adhesion

- Immediate Resistance to rain damage

- Single pack - no mixing

- Multi-purpose - high-build

- Low odour and non-stain

- Forms a one-piece membrane barrier

- Will not become brittle with age

- Complies with AS374 approval No.162

- Systems for Total Project Specification

- Fully compatible with Grace Bituthene


Aquagard M is a true elastomer, does not contain Portland cement, tar or bitumen. Aquagard M is engineered to allow application by "flood coating", without multi- layering and fibreglass mat. Aquagard M is guaranteed when used in with Chemind Chem-Fix polymer modified cement based tile adhesive, designed for application to non-porous surfaces.


Typical Properties



Polyurethane Elastomer

Solids Content


Service Temperature

-10 oC to 80 oC

Cure Time - ready for

Flood Test, tiling, topping

8 hours

Tensile Strength (AS1145)  

2 MPa

Elongation (AS1145)


Moving Joint Test

Passed (CSIRO)

Immersion (AS1145)

Passed (Water, bleach, detergent)

Peel Test (AS1526)

Concrete = 167N , Glass = 53N

Accelerated Weathering





Surfaces to be waterproofed must be sound, smooth and free from dust, loose matter, oil, grease or other contaminants. Concrete should be cured 28 days and render 7 days. All surface defects shall be repaired using Chemind Chembond modified mortar. Use Chemind Chemflex LM PU sealant to fill joints, cracks, gaps and form angle fillets to internal corners or penetrations.






To inhibit out-gassing (pin-holes) and seal dusty or porous surfaces, apply 1 coat of Aquagard M diluted with one or two parts Chemind GP Solvent at 8-10m2/litre and allow to dry for one hour. Use Chemind

Epocote F100W or Chemcote W to seal any damp or "green" concrete. Roughen surface of PVC or stainless steel.




Detail all joints, cracks, outlets, penetrations and internal corners with a 150mm strip of Chemind Reinforcing Fabric embedded between two heavy coats of Aquagard M and centred over the joint.


Application of Continuous Membrane


Apply Aquagard M membrane liberally by brush, squeegee, roller or spray in two or more coats to desired uniform membrane thickness.   Allow to dry fully between coats. Application of Aquagard M membrane "flood-coat" layer does not require use of any fabric or glass fibre mat.


- Surfacing


The finished Aquagard M membrane may be subjected to foot traffic 8 hours after installation. Following surfacing systems may be used for specific situations listed. Such covering materials shall be installed only after the Aquagard M membrane system has fully cured.  


- Tiles


Ceramic tiles may be laid on a mortar bed or otherwise fixed directly with fully guaranteed Chemind Chem-Fix adhesives.


- Tanking


Cover with Chemind Protectoboard, Protectodrain or Rapid Drain, followed by backfill or landscaping.


Other Rigid Surfaces


Use a 0.2 mm PE slip-sheet under all concrete toppings.

Paving slabs on Chemind Multi-Pads or mortar bed.

Chemind Chembond polymer modified render or textures.


- Decorative Finishes Use Chemind Epocote F100W to seal surface of Aquagard M, then apply:

  Chemind Blockflex high build coating

  Premium quality exterior acrylic paints, roll-on textures

  Synthetic PP grass, glued or sand filled.


- Insulated Thermally: Use Chemind Dow Roofmate closed cell Insulation board to provide fully guaranteed thermal insulation.


- Insulated Acoustically: Use Chemind Sound-Shield sound deadening system under tiles etc. to give the required acoustic value.






Balconies, roof decks, retaining walls

and planters - 1.25 litres/m2.


Wet Areas

Floors - 1.5 litres/m2 @ 1 mm dry film thickness.

Walls - 0.5 litres/m2 @ 0.3 mm dry film thickness.         




Aquagard M is packed in 15 litre pails.


Clean Up


Use Chemind GP Solvent or methylated spirits before curing. Exercise care when using solvents. Please review all MSDS before use.


Shelf Life


Sealed pails of Aquagard M have a shelf life of approx. 6 months, but once opened will become solid within a few days.




Waterproofing FAQ

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Waterproofing Primer

Repair and Maintenance