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What is the cement render mix ratio for external concrete block walls?
A good mix for rendering is 1 part lime 1 part cement and 6 parts sharp sand(1:1:6). To ensure a good even mix the materials should be measured in buckets rather than shovels, this will ensure consistency throughout the job. Water should be added in small quantities to the mix, the consistency should be just stiff enough to stand on the trowel. The area to be rendered should be brushed down with a stiff brush, then doused with a hose pipe to remove the rest of the dust and prevent the surface 'sucking' the moisture out of the render. Always start at the top and work your way down and protect the floor with with boards or sheets as it is quite a messy job. It is advisable to apply in two coats, the first coat should be 'combed' before it begins to set.This is done with a special rendering comb. The second coat can be a little weaker, i.e 1:1:8. Dont worry about any imperfections in the finish as these can be scratched off the following day with a trowel to achieve a lovely even finish ready for painting. Its my opinion to use a ratio of 4 sharp washed sand to 1 part cement, Bycol added to the water to aid in the flow of the cement but its not that important once your skill level is up there. Lime is not necessary and 1:6 is far too weak. 2 applications of render should be avoided at all costs. No you cant scratch it off the next day. Secrete/float the walls 1-2 hrs max after its applied. When floating the walls make sure the surface is sprayed with a fine mist to keep it moist. Small golf ball size blobs of render mix can be thrown on to fill any low spots whilst floating. And use a teflon float not a trowel. Be sure the wall prior to rendering is paint free & hosed down. the more water on the wall the better and if in direct sunlight work in small sections...2x1 mt
Is quarry dust being a artificial sand?
Quarry dust, also known as crushed sand, is often used as an alternative to natural sand in various construction applications, making it a type of artificial sand. Quarry dust is produced as a byproduct during the crushing process of rocks in quarries. It consists of fine particles that are similar in size and shape to natural sand particles. FTM Machinery artificial sand presents the particle size distribution of quarry dust can be controlled during the crushing process, allowing for the production of a consistent particle size range. This makes it suitable for concrete production.
Can you install ceramic tile over stained concrete and if so what is the preparation for the existing concrete?
Bead blast or score the concrete first anything from a wire brush to a floor sander might work...be VERY CAREFUL with the dust though
Is gravel a fine aggregate?
Gravel can be composed of varying sizes of stone, sand, and fine dust, with the coarse stone measuring up to about 2 inches. Large stone is often referred to as ballast or sometimes, pit run. Even larger stone (6" to 24") is called rip-rap. Rip-rap is used to armor the soil to prevent erosion from water runoff. If you are using boulders or rip-rap, then gravel would probably be considered a fine aggregate. But if you are using gravel under a new sidewalk, say, then gravel would be somewhat coarse compared to the sand and fine dust in it.
How do you repair a crack in slab?
To repair a crack in a concrete slab, first clean the crack thoroughly by removing any loose debris or dust. If the crack is wider than 1/4 inch, fill it with a concrete repair caulk or epoxy filler, ensuring it penetrates deep into the crack. For smaller cracks, a concrete resurfacer or patching compound can be applied. Finally, smooth the surface and allow it to cure according to the manufacturer's instructions.
What is marsite?
Marcite is a "plaster" made from marble dust and white cement. It's put on top of the gunite and gives the pool a smooth finish and bright luster.
What is the best type of plaster to refinish a Gunite pool?
there is a product called "pebble tec" that is great. better than both products you mentioned. it is a little more expensive, but looks and lasts much better. other wise i would stay with plaster. from what i understand it adhears better to the gunite.
What is the Weight of a ton of cement dust?
2000 pounds.
How can I make gesso using marble dust?
To make gesso using marble dust, mix the dust with water and a binding agent like glue or acrylic medium until you achieve a smooth paste. Apply the mixture to your surface and let it dry before painting.
What are the ingredients in Marble plaster?
Marble plaster typically consists of slaked lime, marble dust or powder, pigment, and water. These ingredients are mixed together to create a smooth, durable, and decorative plaster finish that resembles the look of real marble.
Is marble toxic?
Marble itself is not toxic. However, when cutting or grinding it, the dust can be damaging to the lungs. It should always be done using water and proper ventilation.
Is plaster or combination aggregate surface better for a gunite pool in the North East?
Combination aggregate finishes are stronger and just as smooth if applied correctly. 1 part white cement and 2 parts marble dust is generaly a good marcite finish.On exposed aggregate finishes such as "diamond brite" exposing it by acid washing takes 2 years off of the lifespan. Wait until it needs washing and then do it.
How are the raw materials used in processing cement procured?
Raw materials used in processing cement are,Calcareous materials (limestone)Argillaceous materials (clay)GypsumCoal dust.
How do you marble dust pool?
Marble dusting a pool, otherwise known as plastering your pool, should be done by a professional, so please call a proffesional to do it for you as you need it to be done right.
What method is use to marble a swimming pool?
I spent many years in the pool business doing repairs. The only reference I have heard concerning marble was the use of marble dust in the plaster mix, both a fine and large grit used. Hope this helps.
How do you remarsite a pool?
To re-marsite a pool, begin by draining the pool and thoroughly cleaning the surface to remove debris, algae, and old plaster. Next, repair any cracks or damage in the concrete structure. Once the surface is prepared, mix the marcite (a mixture of white cement and marble dust) according to the manufacturer's instructions, then apply it evenly with a trowel, ensuring smoothness and consistency. Finally, allow it to cure properly before refilling the pool with water.
Is concrete better than cement to drive on?
Cement is the texture of very fine sand or dust. It is one ingredient in concrete. The others are aggregate (sand and gravel) and water. Cement is the binder that holds the whole thing together. If you mixed cement and water you would get something like plaster, but it would be very weak. So to answer your question, cement is the only thing to drive on.
