Acrylic Waterproofing

Monneli Acrilux

Protective Acrylic Coating

Sloped Concrete roofs, metal profile roofs, asbestos roofs, domes
Protective coating for Polyurethane sprayed foam against UV effect
Protective coatings on underpasses & concrete bridge decks
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Technical Information
Product Description

ACRILUX is a water based acrylic liquid membrane. It is easily applicable on horizontal and vertical surfaces. Once cured it forms a continuous waterproofing membrane resistant against the thermal changes and the ultraviolet rays.

  • Easy to apply , Single Component
  • Eco-friendly - water based
  • UV and Weathering Resistant
  • Good resistance to Chloride Ions and Carbon
  • Dioxide diffusion
Packaging, Coverage / Consumption

ACRILUX is supplied in 20 kg plastic containers.

Consumption: Approximately 2.3 kg / m² for 1 mm thickness.

Shelf Life & Storage

Keep the product at a temperature not less than +5ºC and not more than +30ºC in a tightly closed container. In these conditions ACRILUX maintains its characteristics unchanged for 12 months.

Technical Properties

Fluid paste

Standard color

white, grey
other colors on request

Density at 25⁰C

1.25 kg/L



Chemical resistance

Resistant to dilute alkalis, diesel, petrol

Solid content




Extension of Breakup

> 350%

UV Resistance

No effect after 1,000 hrs.

Adhesion to concrete

> 1.0 N/mm2

Crack bridging Ability

> 1.0 mm

Impermeability to water

1.5 bar (waterproof)

Superficial film formation

50 minutes

Complete hardening at +25ºC

7 days

Temperature of application

-5ºC to +35ºC

Harmfulness EEC 88/379


Application Information
Instructions for use

Crack treatment

Shrinkages and non-moving structural cracks less than 1.0mm shall be filled with a pre-treatment strip of ACRILUX of 1.0mm thick extended to 75 mm on both sides of the crack. Voids and honeycombs shall be patched with BETOFINISH C or EPOFINISH C allowing the area to cure before applying the membrane.

Right angle bends

All right angle bends must have a coving detail installed. In areas where parapet walls, columns, pipe penetrations are present, a 45° coving fillet shall be made at all corners using BETOCEM FIBER, a Fiber reinforced shrinkage controlled mortar for concrete repair to the water saturated cured surface. 

All other angles, joints, protrusions and stress joints should be pre-treated with a heavy application of ACRILUX extending 150mm on both sides of the coving.

Allow the patched area to cure before applying the membrane.

Movement Joints

Expansion and movement joints should be sealed with ELASTOSEAL PU, a Polyurethane sealant. 

Allow to cure before the application of ACRILUX.


ACRILUX diluted with 15% water shall be applied as a primer coat on the concrete surface to seal pores and stabilize the surface. The primer coat can be applied by brush roller or airless spray and should be allowed to dry before application of the coating.


ACRILUX should be stirred before use until a uniform color and consistency is achieved. Product is ready for use.


ACRILUX shall be applied by brush, roller, or airless spray in 2 coats to achieve a minimum dry film thickness of 0.5 mm for each coat. The two coats must be applied at right angles to one another once the first coat completely dries. 

Substrates that are exposed to movements and deformation or where cracks are expected, ARMOFLEX, a reinforcing glass fiber mesh shall be spread into the first coat of ACRILUX before applying the second coat.

A layer of fiber glass mesh should be embedded between the two ACRILUX coats over pipe culverts, floor drains, corner joints and floor / wall junctions.

It is recommended to spread sufficient clean silica and to the final wet coat of ACRILUX before applying adhesives. Tiling or finished floor installation ACRILUX should be carried out as soon as possible after full cure of membrane is established.


All tools employed for the application of ACRILUX can be cleaned with water before it hardens. Cured materials should be mechanically removed.


  • ACRILUX is not recommended for use in swimming pools
  • After curing, tiles and flags can be laid with an appropriately specified Colmef adhesive over
  • ACRILUX layer on vertical and horizontal areas
Surface Preparation

The surface of the concrete shall be sound, clean and uncontaminated.

This preparation shall be such as to leave a sound exposed concrete surface free from dust, loose particles and any deleterious matter. If the concrete surface is defective or has laitance, it must be cut back to a sound base. 

Moss and lichen must be removed physically followed by treatment with fungicidal wash. After treatment, it must be washed down thoroughly with clean water and allow to dry.

Additional Information
Health & Safety

During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.

In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.

If ingested, obtain medical attention immediately. Do not induce vomiting.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

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