Your Concrete Block Business

                                                 








If you are looking for a good paying home business there is nothing better than making concrete blocks. They are a staple commodity of the building industry. Concrete blocks are used for building everything from tiny back yard projects such as barbecues right on up to multi-storey huge buildings.are used to build everything from small backyard compost boxes and barbeques to huge buildings.

There has always been a good demand for concrete blocks and this is expected to  increase continually in the future as more  building takes place every year on average. You are pretty well guaranteed a good market for your products if you make concrete blocks and other concrete  based items..

It is very simple to start a concrete block manufacturing business as a part time project in your garage or even outdoors on your driveway. You can go on  to build your part time project into a very  profitable  business. You can even work at your usual day job and make concrete blocks in  evenings and on weekends.

The simplest way to get a start is by using hand  molds. You build these very easily from plywood and sheet iron. One man using just hand molds can easily make up to 100 blocks daily.
When your business has grown you will feel the need for a concrete block machine. These machines are costly to buy but will easily pay for this with the increased production they make possible. The way to save a lot of money is to assemble a concrete block making machine using auto parts and a bit of sheet metal. This is not hard to do and any welding shop will do welding for you at a reasonable cost if you don't know how to weld.

To get free information about concrete block hand molds and on the building of a concrete block machine go to Concrete Block Making

Manufacturing concrete blocks is a great business to be in and has a solid future. To find out more about it check out make concrete blocks

                                                           

Start Your Own Concrete Block Business

You can start a part time concrete blockmaking business in your garage or backyard by using hand molds tomake your blocks. One person using molds can make 100 cement blocks daily quite eaily.Details on how to do this are available through our website concrete blocks.
This is the simple and inexpensive way to start your concrete block business and is how many people get a start in this profitable line of work.Your business will increase in time and when you need more production the best way to go is to get a concrete block making machine. Concrete block machinesare made by a number of manufacturers. They are unfortunately fairly expensive since most of them are made overseas.

The less expensive way is to build your own concrete block maxchine and plans with instructions are available for this project. The machine is built from new or used auto parts and will turn out 800 concrete blocks per day. This machine works every bit as well as commercialmachines costingthousands of dollars but you can build it for probably just a few hundred dollars or even less if you use used parts.Full information is available at our website make concrete blocks.

The demand for concrete blocks will never end since they area staple of the construction business. ?they are used to build everything from big multi storey buildings down to small backyard barbeques. Making concrete blocks is a great business to be in. startup costs are very little and the profit potential is huge. check out all the information at our website.http
;//www.concreteblockmaker.com

Mix Good Concrete Properly

When you are mixing concrete you need to make the right mixture for the job of making concrete blocks. You want to make really good concrete which will form a solid, cohesive concrete block which will not crumble. To accomplish this you need to use the correct mixture of Portland cement,sand,gravel and water.

An excellent method for doing this is to make a wooden box 27 by 24 inches and 10 inches in depth. Then to get the right mixture use one bag of Portland cement and mix with it one boxful of sand and two boxes of gravel.

You can use a cement mixer or mix this batch by hand. To do it manually spread a tarp or a plastic sheet on the floor or do it on a sheet of plywood. Pour all the dry ingredients into a heap and then with a shovel keep turning them over till they are well mixed. Be sure that they are mixed well or you will not make a good homogenous concrete mix.

Make a hole in the centre of the heap and shovel the mix up round the hole. Then take precisely 14 gallons of clean water and pour a little at a time into the center hole and scrape the surrounding mix into it gradually. Gradually pour water into the hole till the whole batch is well mixed. Your concrete will now be ready for use.

Using a cement mixer of course makes the job considerably easier. You can put the same amounts of dry ingredients into the cement mixer the and turn it on till the ingredients are completely mixed. Then gradually add the water to the mix and run the machine till you have a smooth mixture.

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Sizes And Shapes Of Concrete Blocks

Concrete blocks are made in sizes which are always in fractional form.The reason is that the standard mortar joint is 3/8 inch in size and when added to the block dimensions this will come out an even number. For instance a standard stretcher block is 15 5/ 8 inches long. with a 3/8 inch mortar joint this gives an even 16 inches.This makes it easier to calculate the quantity of blocks needed for a job and makes walls an even number in height and length.

Concrete blocks are made in both heavy and lightweight types and in full length and half length sizes.The half lengths are necessary so that the joints in a wall can be offset by a half block length to ensure stronger construction.

The most commonly used block is the stretcher block which is nominally 8 inches by 8 inches by 16 inches in size. It has three hollow cores to make it lighter and to save on materials. The heavyweight block weighs 43 to 50 lbs as a rule. The lightweight block which is used only for non load bearing construction is about 10 lbs lighter.
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Materials For Making Concrete Blocks

Concrete blocks are made from a mixture of Portland cement,gravel,sand and water.The product is a light grey colored block with a finely textured surface and high compressive strength. Weight of the block depends on its size of course but the commonest variety weighs in at around 38 to 43 lbs.

The concrete mix used to make concrete blocks has less water and sand than concrete used for general construction purposes. This makes for a dry quite stiff mixture which retains its shape when emptied from the mold.

Cinder blocks are made by using coal cinders or volcanic cinders instead of gravel and sand in the concrete mix. The product is a dark grey colored block with a coarse to medium surface texture. compressive strength is less than that of standard blocks. Insulation qualities of the block are higher and sound deadening properties are improved with this type of block. A common cinder block weighs aboput 26 to 33 lbs.

Lightweight concrete blocks are maded by using expanded clay,slate or shale instead of sand and gravel. Expanded clay,shale and slate are made by crushing the raw material to small size then heating to 2000 degrees Fahreheit(1093 degrees centigrade).The heat causes organic material in the basic materials to vaporise and puff up the clay. a lightweight block of this type is used only in non load bearing walls and partitions and commonly weighs 22 to 28 lbs.

The concrete mix may also have chemicals added to hasten drying time,improve compressive strength or workability of the materials. colored pigments are sometimes added to produce colored blocks.The surface of the block is sometimes glazed for decoration or to prevent chemical dissolution.

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Concrete Blocks

The primary use of concrete blocks is for constructing walls. These may be foundation walls for a home,sides of a barbeque, in the backyard, or complete walls for a building.

A variety of precast concrete products are used by the building trades with blocks being just one of them. Concrete blocks generally have hollow cavities on the inside to lessen weight and quantity of material used. There may be one or more such hollow cavities depending on the type of block.

The sides of the blocks may be smooth or they may have a cast design included. When in use, for building, the blocks are stacked on one another taking care to keep the rows absolutely straight and level. The joints are offset by half a block in the rows to increase strength of the wall. They are held together with concrete mortar which dries to form a hard bond.

You might think that concrete mortar is a relatively modern development but this is not the case. In ancient Roman times as early as 200 BC concrete mortar was used with shaped stones in building. In the era of 37-41 AD small precast concrete blocks were used in the Naples area of Italy for construction.

Unfortunately during the fall of the Roman empire in the 5th Century A.D.most of the concrete technology which had been developed ny the Romans became lost. Concrete technology was not seen again till the year 1824 when an English stone mason named Joseph Aspdin invented Portland cement.Thus began the modern age of concrete technology as we know it..

Concrete Block Varieties

The great usefulness and ever growing demand for concrete blocks of various sizes and colors has led to a special type of construction. Lightweight concrete blocks are used to design interior walls. Or the cement blocks can be arranged by various sizes to form block concrete walls or columns.

Standard 8x8x16 and 4x8x16 concrete block dimensions still dominate the construction field but many new shapes and sizes of specialty concrete blocks are in use.Some blocks are in color or have polished or cut faces to resemble stone.

Lightweight blocks add to the insulation of walls as well as being decorative. Building siuppiers do not carry all sizes and dimensions of cement blocks. They can take special orders for concrete materials and pass them on to you as a concrete block manufacturer. Standard concrete block dimensions will be your bread and butter but special orders for masonry blocks of non standard types can be very profitable.

Retaining wall blocks are another type of concrete block for which there is a good demand. Retaining walls are usually built with oversize very heavy blocks which you can make to special order.As a concrete specialist you will be in great demand. See our website for much more information:Make concrete blocks