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Penetrating sealer for a natural finish for most stone and concrete surfaces. Provides stain protection with water repellent features whilst remaining a breathable coating.

Concrete, bricks and natural stone are versatile cost effective construction materials with a serious defect, they are porous. Water and water soluble contaminants can be readily absorbed initiating a process of deterioration, starting with efflorescence, salt damage, mould and mildew, corrosion of steel reinforcing and eventually erosion of the surface.

This is all preventable with the use of Impregnating Sealers, Penetrating Sealers and Surface Sealers, all of which are designed to protect, beautify and enhance the structure whether it is a residence, monument, block of units or a bridge. Sealers will extend the life of these structures and add value as they age beautifully instead of crumbling with erosion.

Photograph showing the effect of water droplets on a paver. Only the bottom half was treated with Pen-E-Guard, the top left natural. The paver was then placed in a tray of water, and water was dropped onto the treated and untreated surfaces. The water is prevented from penetrating the surface and from absorbing into the paver by Pen-E-Guard.

The top half is darkened by water absorption and the droplets adsorbed immediately.


on concrete, unglazed tiles, pavers, natural stone, granite, brick, terracotta, marble and slate.


Pen-E-Guard will maintain the un-sealed look, whilst protecting the surface from water and staining.  Pen-E-Guard is fast curing water based sealer and can be used indoor or outdoors, with no unpleasant odours or flammability problems.

Features of Pen-E-Guard:

Guards Concrete, Terracotta, Unglazed Tiles, Pavers, Sandstone and other natural rock against water damage and staining.
Enables easier removal of dirt, grease, graffiti and posters from walls.
Eliminates the occurrence of Efflorescence.
Reduces Moss, mould and algae growth.
Reduces corrosion attack on steel reinforcing.
Retains a natural look.
Breathable, allows water vapour to escape.
Deep penetrating.
Alkali resistant
Salt barrier, ideal around saltwater pools or marinas
Pen-E-Guard will last up to 10 years or longer pependant on application and weather conditions and quality and abuse of surface.
Water based, non flammable.
No odour.
Non filming forming, will not flake or peel.


How Pen-E-Guard Works:

Pen-E-Guard works by chemically reacting with the concrete or rock using nano-technology developed to create a protective barrier to water and oils. The active component is a molecule consisting of silicon, carbon, hydrogen and oxygen atoms. The molecule has two ends, one hydrophilic the other hydrophobic. When applied, the hydrophilic end reacts with moisture retained in the substrate and breaks away to form another compound that reacts within the masonry lattice. This reaction forms a bond that is stronger than any mechanical or hydrogen bonding of conventional film forming sealers, the exposed hydrophobic end of the molecule changes the surface energy with the result that water and oils are now repelled, but the micro pores are still open enough to allow moisture vapour to escape making the treated surface breathable.




Mixa Pty Ltd
Unit 10 11-13 Foundry Road
Seven Hills, NSW 2147
Phone: 02 9624 8222
Fax:     02 9838 7862

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