EWI-269 Lightweight Basecoat - 25kg bag

EWI-269 Lightweight Basecoat is a breathable and flexible levelling adhesive that can be used internally or externally on lightweight masonry structures and stonework. It consists of grey Portland cement, hydrated lime and perlite, and has a declared thermal efficiency of 0.47W/mK. This basecoat can be hand or machine applied to the substrate and can be applied up to 20mm in one pass.

• Ease of Application, 
• Can be used on lightweight masonry structures and stonework,
• Quick drying,
• Highly breathable,
• Water-resistant
• Frost-resistant,
• Excellent adhesion to substrates and EPS panels
  

• Remove all loose or peeling plaster coats.
• Level out the cleaned substrate with levelling mortar EWI-260.
• Wall surface, plastered or not, should be wire brushed and rinsed with hydrant water and allowed to dry. Highly absorptive and dusty substrates should be primed with EWI-301.
• Add EWI-220 dry mixture slowly to a container with 6.3 litres of clean cool water. Mix with a slow-speed mechanical mixer to achieve a uniform, lump-free consistency. Allow to cure for about 5 minutes and then mix again thoroughly.
• Hardened mortar should not be mixed with fresh material.
• Apply a portion of the adhesive to the EPS panel and spread it with an appropriate trowel.
• On flat substrates, apply the adhesive to the entirety of the insulation board using a notched trowel. 
• Put the panel on the substrate surface and press to make it flush.
• When adding the reinforced mesh, before drying, the mesh needs to be embedded within the basecoat adhesive.
• Work must not be carried during rain or snow, strong winds and in direct sunlight, without special shields to limit exposure to weather conditions.
• The average drying time is 12-48 hours depending on weather conditions.

• European Technical Approval No. ETA-07/0192