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Removal Efflorescence and salts from Masonry in preparation of Cementitious Waterproofing

Waterproofing Using  Maxseal and Maxseal Flex to a masonry substrate

Products required • Efflorescence-RidSEALTIGHTMAXSEAL FLEX • MAXSEALPOWER CLEAN

Removal of Efflorescence and salts from masonry is usually carried out  by pressure wash then followed by 10% hydrochloric acid in water applied by brush or low pressure spray and then washed off by hose. The problem with this approach is that sometimes the acid treatment creates further efflorescence and salt formation on certain surfaces. Often where there is hydrostatic pressure or ground water present salts & efflorescence can be present on the wall preventing adhesion of Drizoro Maxseal product.  MaxsealMaxseal Foundation can be used where this is not a problem

Method Prepare area to be treated by removing any surface efflorescence and loose materials. If required use –POWER CLEAN

1. Apply Efflorescence-Rid per instructions.

2. Apply SEALTIGHT to the dry to damp substrate.

3. Allow the SEALTIGHT to saturate.

4. Apply MAXSEAL FLEX to the wet surface as per Technical Bulletin.

Preparation of the surface:

Remove excessive build-up of efflorescence Remove all loose material.

Efflorescence-Rid APPLICATION:

APPLY using low pressure spray ensuring a uniform and homogeneous coverage.

Foam appears when efflorescence is present. Apply until “FOAM” begins to appear.

Wait 5-8 minutes, mechanically agitate and re-apply as required, use zero pressure washer/rinse to remove efflorescence.

Continue to apply –Efflorescence-Rid  to areas where foam appears and until foam no longer forms.

Rinse area thoroughly with water.

APPLY –SEALTIGHT to prevent further salt formation

 

 

Efforescence_rid -removes Efforescence_from concrete-brick-masonry

A liquid applied cleaner to remove efflorescence from masonry surfaces, brick block, pavers

 

 

Sealtight clear concrete sealer

SEALTIGHT- is not a surface coating, but a penetrating Clear Concrete Sealer, It permanently waterproofs, insulates, hardens and preserves concrete, plaster, mortar and most natural stone.

A flexible waterproof coating for concrete, masonry, blocks, pre-fab panels and brick. It is a two component product, one part a cement powder, the other a latex liquid. Used for swimming pools, decks, planter boxes and areas subject to movement.

A flexible waterproof coating for concrete, masonry, blocks, pre-fab panels and brick. Used for swimming pools, decks, planter boxes and areas subject to movement.

 

 

 

 

 

 

 

Note – This information is based on information from the manufacturer and from our own experience. The information contained in this specification should be used in conjunction with the appropriate technical data bulletins and material safety data sheets available from our office or website. © Scientific Waterproofing Products Pty Ltd. ABN: 155 659 948 All rights reserved. Address: 3 Watson Road, Padstow, NSW 2211, AUSTRALIA Tel: +61 2 9771 0011 Fax: +61 2 9771 0111 Email: info@scientificwaterproofingproducts.com.au National Hotline: 1300 303 301 National Faxline: 1300 369 932 www.scientificwaterproofingproducts.com.au

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