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Search AdmixturesQ/A ArchivesJuly 2008
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Bruce Strickland Bruce has over 30 years experience in the admixture industry. In his career, he has held positions in product development, marketing, sales and sales management. Bruce has also spent time in...more»»
crack on rcc roof My foor is six month old and some cracks are visible along the electric pipelines layed at the time of making roof. what should i do before the coming monsoon rains? Generally the electric pipelines are placed on or above the steel reinforcement of the slab. So there shouldn’t be any cracks formed along the electric pipelines as it has sufficient cover.
wayerproofing a basement I have a cinderblock basement that that is need of some waterproofing . The basement is bare cinder block. I would like to coat the inside with a layer of a water proof cement, then paint it. I would like to do this myself. What would you suggest I should use. I am having the foundation dug out and the drainage fixed. The outside of the basement will be coated and a plastic or rubber mebrane put on. You can apply a polymer modified cementitious coating on the interior as well as the exterior of the wall.
Admix for countertop concrete Hello Bruce, Use a low water to cementitious ratio to increase the density and strength of the concrete mix. Use chemical admixtures (Type F admixture, as per ASTM C 494) to enable you to use concrete at low water to cementitious ratio. You can also use mineral admixtures like silica fume to reduce porosity, increase strength and density.
pervious concrete Will pervious concrete work in northern climates where temperatures stay below freezing for several months? Yes, if it is designed properly for permeability and base thickness. The success of the system depends on how well the base drains before and during a freezing cycle.
Three year old driveway crumbling away I’m not sure this pertains to your field of expertise….my driveway is three years old and starting to break up. In some spots it is worse than others. The top eighth inch is flaking off in one area and in another area you can push a screwdriver in a quarter inch or so. In the latter area it retains a “wet” look like after it rains and it stays damp for days or even weeks after. I have pictures I could email if that would help solve my problem. I would like to find out what caused it and how to repair it. Thank you. It is difficult to comment on such problems without visiting the actual site. But reading your question it seems the problem in your case seems to be due to one or more of the following reasons: |
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