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fast drying primer, Quick Drying Primer

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MAPEI

MAPEPROOF SA PRIMER

One-component rapid-drying primer for treating surfaces prior to applying Mapeproof SA

TECHNICAL CHARACTERISTICS


TECHNICAL CHARACTERISTICS

Mapeproof SA Primer is a one-component, solvent-based polychloroprene primer for treating concrete substrates prior to applying self-adhesive waterproofing membranes such as those from the Mapeproof and Mapethene ranges, used to waterproof underground structures in total adhesion.


APPLICATION PROCEDURE Preparation of the substrate Concrete substrates must be sound, flat and clean. Remove cement laitance, loose and crumbling parts and traces of dust, grease and form release agents with a pressure washer and wait until all the water has dried off. If the reinforced concrete to be waterproofed has gravel clusters or other irregularities, remove them with hand or power tools or by hydro-demolition. Carefully clean any exposed pieces of rebar, treat them with a coat of Mapefer 1K Zero anti-corrosion cementitious mortar and reintegrate gaps and demolished areas with Planitop Smooth & Repair R4 Zero quick-setting, compensated-shrinkage, thixotropic cementitious structural mortar or with a suitable product from the Mapegrout range of mortars. Then blend in all the corners between the foundations and walls and between adjacent vertical walls with the same products used repair the surfaces and round off any sharp edges or corners. Application of the product Mapeproof SA Primer is supplied ready to use but it is recommended to mix the contents of the container to ensure the product is perfectly blended. After preparing the substrate as specified, apply a coat of Mapeproof SA Primer with a brush or roller. Wait until the primer is dry but still tacky and then apply the self-adhesive membrane. 


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