Basic information on concrete by Les Kenny What is concrete? Concrete is a mixture of cement, sand, gravel and water. More info » What is cement? Cement is a powdery type substance made from a mixture of earths materials such as limestone and shale, which is sintered (cause to become solid mass by heating without … Read more

Inch centimeter conversion calculator

Simply enter a centimeter, inch, or foot amount into the appropriate box below, click on the submit button and presto, all the conversions done. cm feet inch A very simple to use inch centimeter conversion calculator. Enter either a centimeter, inch, or foot amount into the appropriate field box above, click on the button and … Read more

Steel reinforcing in concrete

Steel reinforcing in concrete     Related topics: [What is cement] [What is concrete] [Making a concrete slab] About steel reinforcing in concrete Sometimes steel reinforcing in concrete is put there to strengthen it, help hold the concrete together and limit cracking. In many cases, bigger concrete jobs that require reinforcing steel usually also require a building permit of some kind, in … Read more

How to make a concrete slab floor

A step-by-step example of how to make a concrete slab floor This article explains how to prepare the ground, pour and finish the concrete. Example: A small shed floor: A step-by-step example of how to make a concrete slab floor for a 1800mm x 1800mm (6ft x 6ft) garden shed. The steps for this task … Read more

How to mix concrete

Safety Tip: Be careful when you mix concrete as prolonged contact with fresh concrete will burn your skin. Wear safety goggles, gloves, rubber boots and long sleeves when working with concrete. Ways to mix concrete Small amounts of concrete can be easily mixed in a wheelbarrow with a spade but larger amounts might require a … Read more

What is concrete

Concrete is a mixture of cement, water, sand and gravel (stones, crushed rock). The mixture eventually hardens into a stone-like material. Cement and water are the two ingredients that do all the chemical reaction stuff. The gravel and sand give strength. Related topics: [What is cement] [Reinforcing in concrete] [Making a concrete slab] If you mix gravel, sand and water together, nothing … Read more

What is cement

What is cement and how is it made? Cement is a fine, soft, powdery-type substance. It is made from a mixture of elements that are found in natural materials such as limestone, clay, sand and/or shale. When cement is mixed with water, it can bind sand and gravel into a hard, solid mass called concrete. … Read more

Glossary of terms

Words beginning with A – A – ABOVE-GRADE: The portion of a building that is above ground level. A term applied to any part of a structure or site feature that is above the adjacent finished, or intact, ground level. ACTUAL SIZE: The finished (dressed) size as opposed to the nominal size of a piece … Read more