| There are many different varieties of concrete | | | | length and also the height. |
| blocks. But, the majority of building blocks are | | | | As I'm sure you are aware most concrete blocks |
| simple rectangular blocks of cement, which are | | | | are weatherproof. However it must also be noted |
| gray or white concrete. The average concrete | | | | that foundation blocks should also be frost |
| block measures 1ft 6in x 9in and can range in | | | | resistant and moisture proof and the reasons for |
| thickness from 3 inches to 9 inches. There are | | | | this should be obvious. |
| special instances where this thickness may differ | | | | It's always recommended that you deal with a |
| a classic example of this would be a foundation | | | | merchant that has been highly recommended this |
| block which although maybe thicker if required will | | | | to you. You should always make sure when any |
| still measure about the same. | | | | blocks are delivered to your site that they are |
| There is another terms you may come across | | | | unloaded as near as possible to the location the |
| called Brick-size concrete blocks or otherwise | | | | last thing you need to be doing is having to worry |
| known as coursing bricks these are mainly used | | | | about moving these a second time. It's also |
| for infilling you'll find above doors and window | | | | recommended that they are stacked on a flat |
| lintels. As with everything in construction in the | | | | dry base and make sure that you cover to use it |
| dimensions above can actually differ as some | | | | a polythene sheet so they are protected from |
| manufacturers may specify normal sizes, which | | | | rain and frost. |
| include a 3/8 inch allowance for mortar on the | | | | |