You can also add Super plasticizer to the water 10-15 minutes prior to casting, then mix with dry ingredients. Mix concrete with pigment and additives for a few minutes, then add water (mix at least 3-5 minutes). We are using 1%)įor best result always add dry pigments to your mix prior to adding the water. Silica sand or "all-purpose" sand works great)ġ1.68 oz (0.32 L) Water (We recommend water to be 20%-30% of cement weight.) (If your mix is too liquid, use less water.)Ġ.47 oz (13.26 g) Super-plasticizer (Superplasticizer's dosage rate is 0.5% -1% of cement weight. We use this 1:2 cement to filler ratio mix : (you can also mix 1-part Portland cement to 3 parts sand, but plasticizer and water has to be re-calculated by cement weight)Ģ.92 lbs (1.33 kg) Portland cement (white for light stone colors, gray for dark stone colors)ĥ.84 lbs (2.65 kg) Sand (20-30 mesh recommended.
#Molds for concrete screen bricks how to#
How to cast GlobMarble brick stone mold instructionĬoncrete Stone Veneer Mold for Stone Bricks and PaversĪlways apply release agent to your mold prior to casting concrete.īS 711/1 mold casting weight is about 8.76 lbs. To have a wider stone pattern variety we recommend buying the following molds together: Mold size - 3 SQ.FT.(0.28m2) approximate.
The color is simply etched into the upper 1/8" of the concrete surface. One other tip, if your cleaning a stamped or other colored surface, never use any major cleaning products on this. Otherwise you may destroy what your trying to clean and it can happen fast with acid cleaners.
#Molds for concrete screen bricks professional#
leave this to a professional concrete finish personnel that's experienced in cleaning concrete. I wouldn't recommend any of the stronger acid type cleaners for the average "do it yourself homeowners". Now if there's some hard stains/oil stains a simple over the counter concrete cleaner can be added to the equation, or applied directly to the effected area, (always read the directions as some need to be deleted before application). Take your time as you go for best results, be thorough and if it's a large project break it up into segments or you may experience some back issues. Try not to hold the tip to close with a 3000 psi machine, 12" away should be fine. Also remember to be consistent in slightly overlapping as you go back and forth otherwise you may experience some streaks where you missed.
Is it just normal weathered concrete were talking about which most of the time can be corrected with a simple pressure washer and a 15-30 degree tip. Also it's helpful to know what type of stain or discoloration your trying to remove. There's various finishes done today ie: broomed, exposed, acid etched, sand blasted, colored and stamped are some of the common ones today. Akers Landscapes When cleaning concrete, you should really know what type of concrete surface your trying to clean.
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