CATEGORIES: ANODIZED ALUMINUM - GLASS - SIDEWALKS - CONCRETE - COATED PANELS - PAINT - EIFS

CONCRETE

New clean-up
Tilt-up concrete can be cleaned easily with NMD80 using high dilution levels. The range will vary according to the finish of the surface, but should be between 15:1 to 30:1. A projection downstream nozzle may be appropriate for application. Apply a light coat of water just to the point of run from top to bottom. Follow with an even application of NMD80. Very tall structures should be cleaned one whole section at a time. Rinse from top down.

Stain removal

GS Restoration will melt rust and oil stains quickly. The product cleans concrete with minimal etch, therefore reducing the risk of future staining. The best application range is from straight to 40:1 on a prewet surface. GSR can be applied with either a brush or pressure applicator. The best use of the product is two applications

several minutes apart without allowing the product to dry or rinsing between.

Degreasing

Apply HD Degreaser straight with a brush or low pressure sprayer. Oil stains on concrete benefit from a brushing after application. The theory is that this helps drive the degreaser into the pores and lift the shadows. It may also mean that it just increases the dwell time which will benefit any product that does not dry out. If used in a dip tank application this product may be diluted up to 50-1. Allow products to soak until soil is softened. Care should be taken when immersing soft metals such as aluminum in to a hot solution that the metal is not left in the soak for too long. When cleaning badly soiled equipment for repainting it may be best to apply the product with a sprayer one time and then repeat the application in areas

that look dry. This usually means that all the product has been absorbed by the soil and another application will race in through the openings created by the first coat and allow complete release in one rinse. Pressure washer rinsing is best because it will allow complete removal of the stains in the paint.

Coating Removal The picture shown on the right is one of a project being done in Washington DC area inside a multilevel garage. The garage had 10 layers of poly urethane coating that needed to be removed before the concrete was cleaned. The coating was removed with the application of Stripsol that was allowed to dwell and removed with a high pressure brush.

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