Table of Contents
How to Cut Drain Grooves in Concrete Snap a chalk line over the concrete where you want the center of the drainage groove. Remove the concrete with a sledgehammer and a shovel. Mix new mortar in a wheelbarrow and pour concrete into the trench you cut. Create a groove in the new mortar with a round-nosed trowel.
How do you make a drainage channel in concrete?
An easy way to create a drainage channel along its edge is by moulding a concrete strip using a length of plastic guttering. Top tip – Drainage in the middle of a patio. Put a length of timber the required distance from the paved surface (in this case, slightly wider than the guttering used to mould the channel).
Can you cut drainage channel?
Please note the drainage channel can be cut up to a maximum of half a metre (only the galvanised grid could be cut to half a metre). TIP: Tape the grids up with masking tape to prevent the grids and drainage channels from soiling. Now place the final cover (grass, bricks, etc.).
What are the lines cut in concrete called?
These joints are called EXPANSION or CONTROL joints and are designed to make sure as the soil shifts or moved under varying seasons the slab will not crack along the large flat portions. Many don’t know that these expansion joints vary in design.
What is a concrete chisel?
Concrete chisels are commonly used to make precision cuts through concrete. These chisels typically feature a handle and a strong bevelled edge blade which will cut through concrete with the application of force from a hammer or mallet.
Can you cut concrete with a chainsaw?
The hydraulic-powered Lynx LCC31 concrete cutting chainsaw from Stanley Hydraulic Tools will cut concrete (wire or rebar reinforced), brick, block, masonry and stone. It can cut square corners for openings and wall cut-outs, as well as plunge cut into walls and make full-depth cuts at one pass.
How do you cut a shallow trench in concrete?
Cut the concrete as based on your guide cut, rotate the depth handle to lessen the blade sharpness if needed. Slowly push the saw forward until the first edge of the trench is cut. Raise the blade then pull the saw back to the end of the trench and cut the second edge similar to what you did with the first edge.
How deep should a concrete groove be?
Joints should be spaced about 10 feet and a maximum of 15 feet. When using joint groove for contraction joints, the joint should be a minimum depth of 1/4 thickness of the slab. Saw-cut joints should be done within four to 12 hours after the concrete has been finished.
How do you keep water from pooling on concrete?
Where the water tends to collect, cut out a sloping channel in the concrete to direct the water away, filling it with decorative stone or gravel. Instead of gravel, you can also have a trench or channel drain made of metal installed.
How do you cut an Everhard easy drain?
How do you cut and re-join EasyDRAIN lengths? Remove the grate from the channel and flip the channel over to reveal the underside. Using a saw, cut between the ribs that are 200mm from the female end. Trim with a utility knife so they are neat.
Can you cut NDS channel drain?
The NDS Spee-D Channel is available in four foot and ten foot sections. The channel can be easily cut to any length. A 2 foot section with bottom spigot is also available for users looking to divert water below.
How deep should relief cuts be in concrete?
A good rule of thumb is to cut the joints one-quarter to one-third the slab thickness. For a 6-inch-thick slab, that means cutting 1 1/2 to 2 inches deep. Ensure that the saw cut depth meets the structural engineering specifications.
How many times do you float concrete?
For a really smooth finish, repeat the troweling step two or three times, letting the concrete harden a bit between each pass. At first, hold the trowel almost flat, elevating the leading edge just enough to avoid gouging the surface.
Why do they cut lines in concrete?
To prevent sidewalks from cracking in random spots and breaking apart, builders make lines in sidewalks. The technical term for sidewalk lines is contraction joints. Contraction joints are placed in fresh concrete before the concrete dries and has a chance to create its own joints, which we call cracks.
Can you chisel through concrete?
A cold chisel is the right hand tool for breaking up small areas of concrete. Demolishing concrete is a heavy-duty task that calls for heavy-duty tools. These situations call for the use of a cold chisel. This small, pointed piece of metal can make precision cuts in concrete when used properly.
What can I use as a chisel?
Turn any flathead screwdriver into a chisel with a bench grinder. Screwdrivers make great chisels. They are tough and can take the abuse of being used as a pry bar, a knife or getting beat on by a hammer. The only place where a screwdriver is not as good as a chisel is when you need to carve or shave wood with it.
How deep will a 14 concrete saw cut?
A 14-inch circular blade on a cut-off saw is designed for a maximum depth of slightly less than five inches.
What is a concrete ring saw?
Rings saws are an effective cutting tool used for concrete cutting and creating entrances into brick walls, and are especially useful in confined spaces or hard to reach locations. This article will outline how ring saws work and the ways they can assist you on your project.
How do you cut concrete?
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.
