Question: How To Use A Walk Behind Concrete Saw?

How fast does a walk behind concrete saw cut?

Cutting is done dry with the green concrete saws. Like regular concrete saws, these saws range in size and in- tended use. Blade speed is fast, usually between 5,400 and 5,800 rpm.

How do you cut concrete with a concrete saw?

10 Tips for Cutting Concrete with a Concrete Saw

  1. Time it right. Wet concrete is very difficult to cut, and fully cured concrete can fracture as it’s being cut.
  2. Use the best saw for the job.
  3. Select the right blade.
  4. Deal appropriately with the dust.
  5. Use a GFCI extension cord.
  6. Mark your cuts.
  7. Tape the saw to prevent scratches.
  8. Use a guide board.

Do you push or pull a concrete saw?

Always let the saw do the work; simply guide its direction, but don’t push it down into the concrete. You only need a quarter-inch cut at this point, but if the saw bites in a bit deeper, that’s fine too. This first guided cut will ensure you keep your cuts straight during the rest of the project.

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How do you keep dust down when cutting concrete?

A small amount of water can go a long way toward reducing dust if you have to cut concrete with a circular saw and a diamond blade. For dust control in these situations, I rely on a 5-gal. drywall-compound bucket with a hole in the side.

How deep should saw cuts be in concrete?

A good rule of thumb is to cut the joints one-quarter to one-third the slab thickness. 1 For a 6-inch-thick slab, that means cutting 1.5 to 2 inches deep. Ensure that the saw cut depth meets the structural engineering specifications.

How deep will a 12 inch concrete saw cut?

Cured Concrete/Asphalt Blades
Diameter Cutting Depth*
12 (305mm) 4″
14″ (356mm) 5″
18″ (457mm) 7″

What is the best blade for cutting concrete?

Diamond saw blades are typically the best choice when it comes to making clean, professional cuts in concrete.

How do you cut a 4 inch concrete slab?

Use a standard circular saw, equipped with a corundum or diamond blade, for small tasks. For slabs, it’s best to cut through the top inch, then use a sledgehammer to break off the rest. The jagged edge left below the cutting line provides a good rough edge for the new concrete to bond to.

Can I use an angle grinder to cut concrete?

Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work. A concretecutting blade for an angle grinder has a diamond-studded rim with ventilation grooves — a tile-cutting blade uses diamond studs but does not have the grooves.

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Can a Sawzall cut concrete?

Milwaukee designs and manufactures Sawzall blades for the toughest professional applications. Diamond Grit blades are optimized for cutting abrasives, brick, block, concrete and stone. TORCH geometry allows for reduced blade twisting, resulting in more accurate cuts.

How do you break up concrete?

When thinking about breaking up concrete, most of our minds jump straight to jackhammer. But you can probably do the work with a metal sledgehammer and a little elbow grease. Sledgehammer is the best tool to use if the slab of concrete is three inches thick or less. Dig at the base of the slab to find the bottom.

How long will a diamond blade last cutting concrete?

According to experts, a low-quality diamond blade can only last around 12 hours of non-stop cutting, while high-quality blades can cut materials up to 120 hours.

What tool do you use to cut concrete?

Cut-off machines — the industry standard. The go-to choice for most concrete cutting jobs, cut-off machines are hand-held saws used to cut concrete, asphalt and metal. They use either a composite resin abrasive wheel or diamond blade to cut in various construction applications.

How do you break up concrete in a pipe?

First cut the pipe flush with the floor (to give you room to work) and stuff a rag into the pipe. Then drill a series of holes straight down, about 2″- 3″ deep, all the way around the pipe about 1/2″ apart from each other and 1/2″- 3/4″ away from the pipe. Then drill diagonally from hole to hole all the way around.

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