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3 Main Types of Concrete Saws

Floor Saw
Concrete is one of the most widely used of all construction materials, and its popularity shows no signs of slowing. In order to achieve its intended purpose, hardened concrete often has to be altered using heavy-duty types of saws. Known as concrete saws, these tools make it possible to give the concrete a form that would have been impossible to create with wet concrete.

Concrete saws have a wide range of applications. In order to meet such varying needs, a variety of different saw types have come onto the market. If you would like to learn more about the types of concrete saws used today, read on. This article will outline three of the most commonly encountered varieties.

1. Floor Saws

Floor saws - also known as walk-behind saws and flat saws - offer exceptional results when it comes to cutting lines on horizontal surfaces. Many different uses exist for a floor saw. They may be used to create expansion joints in newly poured concrete. They may also be used to isolate and remove damaged portions of concrete as part of repair jobs.

Floor saws allow contractors to create grooves in which to locate utility and electrical lines. They also see frequent use as a means of applying decorative cuts to indoor concrete surfaces. Floor saws consist of large wheel-mounted machines, which are pushed along by a worker - hence their alternate name of walk-behind saws.

Inside of a floor saw is a circular blade with a diameter of at least 20 inches. The high speed rotation of this blade acts to cut through even fully hardened concrete. Deeper cuts will require workers to make multiple passes, gradually removing more concrete. Attempting too aggressive of a cut will place excessive stress on the blade, often causing it to fail.

2. Wall Saws

When it comes to making cuts in concrete floor slabs, a walk-behind saw simply can't be beat. Yet contractors often have to make cuts in vertical surfaces as well. This may be the case when cutting holes for doors or windows in a wall of cinderblock - a relatively common task when it comes to constructing or renovating buildings.

Wall saws are a contractor's number one option when it comes to cutting through vertical surfaces. A wall saw setup consists of two principal components. First comes the saw itself. The saw moves in a straight line on metal tracks that are mounted to the wall. These tracks ensure safe, straight, and easy cuts.

3. Wire Saws

Wire saws offer an innovative method of cutting through virtually any concrete structure. As their name implies, these saws eschew blades in favor of special wires - heavy-duty steel cables about one-fourth inch in thickness. The cutting power of these cables is enhanced by beads of diamond grit.

Workers set up the saw so that the wire cuts across the desired cutting plane. Pulleys help to position the wire accurately in a high-tension state. Once the system has been fully installed, the wire forms a loop that passes through the saw's motor. This motor acts to rotate the wire through its loop, achieving speeds of up to 60 miles per hour.

The friction generated in this manner quickly abrades the concrete. This method can easily cut through even reinforced concrete. In some cases, contractors will first need to bore holes through which the wire can be fed.

Concrete saws come in a staggering array of shapes and sizes. Each of these must be designed to withstand the heaviest forms of wear and tear. For more information about what it takes to cut concrete the right way, please contact the experts at Capital Concrete Cutting Inc.