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Double Surface Treatment Constuction
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2.1
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The methods for Prime Coat constuction and sprinking pebbles do the same way as Single Surface Treatment construction,you can see the procedure no.1.1-1.8 above.However,you must use CRS-2
about 1.2-3.3 litre/metresquare.
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2.2
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After finish constructing Prime Coat,paving and levelling down pebbles on the first level surface,blow off all the dust.Then paved the surface with CRS-2,50-85 c , about 0.5-1.5
litre/metresquare.
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2.3
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Clean the first-level surface by sweeping pebbles or pebbles which get loose or remain on the surface.After that blow off the dust and pave with CRS-2,50-85 c , about 0.5-1.5
litre/metresquare.
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2.4
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Scatter pebbles,size 3/8 niche (9.5 mm.),about 7-11 kg/metresquare to cover the surface immediately. The next steps,follow the same instruction for Single Surface Treatment construction.
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3.
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Tack Coat
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3.1
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Clean the surface by sweeping all dust and materials that got loose.
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3.2
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