Read Time:3 Minute, 25 Second
My Favorite Concrete Saws. There’s a lot of different types of concrete saws out there. The two saws I use the most are early entry concrete saws and demo saws. Owning a concrete floor business means I have to saw a lot of contraction joints in my floors. These joints give the concrete a place to crack when the concrete shrinks during curing.
· The type of equipment – the type of concrete saw will also help determine the timing of cutting concrete. You may need to cut the concrete earlier while it has not set depending on the capacity of the saw. Equipment Used. The generic term for a concrete saw is consaw or road saw. The saw blade is mostly diamond-tipped so it can withstand the …
· Cutting green concrete with a walk-behind flat saw. This kind of concrete should be cut exactly one day after being poured. If you want to avoid cracks in a large slab after it has been cured, green concrete is commonly cut from ¼ to 1/3 of the total thickness. We would recommend you use a blade from 12” to 14”.
· To cut concrete with a 15-amp circular saw, start by using chalk to mark cut lines on the surface of the slab. Next, set the saw’s blade depth to 2 inches and attach a 7 inch diamond blade using vice grips so that the teeth point in the opposite direction of movement.Views: 268KConcrete Cutting – A-Core Concretehttps://www.a-core.com/insights/concrete-cuttingConcrete cutting is a process of controlled sawing, drilling and removing concrete.Skilled operators use special saws to cut concrete and asphalt with precision, accuracy and very few mistakes. In the past, concrete cutting companies would use jack hammers to break up the concrete, but that method left everything dusty and messy.
· Concrete saws are used to cut channels or openings through concrete blocks, slabs, and walls. Both types of saws can be hand-held, mounted on a stand, or wheeled by hand or motor and may be powered by electricity, compressed air, or fuel. Working with saws can expose workers to hazards such as cutting blades, kick-back, push-back, pull-ins, and …
· A good rule of thumb is to make your cut ¼ the thickness of your concrete. If ¼ of your slab’s thickness, doesn’t reach 1” make sure you still cut at least a 1” depth. WHAT KIND OF SAW TO USE. One thing to be aware of before we go further. When you are looking for saws to do relief cuts, make sure that it is a down cut.
Begin the saw at full strength to engage the concrete and make a safe and sharp cut. You will want to be sure the finished product comes out as smooth and straight as possible. Keep a steady hand and break if you ever have a doubt of how the saw or you are performing.
· Cut joints deep enough Cut joints 25% of the depth of the slab. A 4″ thick slab should have joints 1″ deep. How to cut joints Groover tools cut joints in fresh concrete. Saw cutting cuts joints as soon as the concrete is hard enough that the edges abutting the cut don’t chip from the saw blade. Place joints under walls or under carpet areas
Cutting into a floor system too much is a lot like turning the floor into Swiss cheese; plan carefully and be strategic to avoid mistakes. ROUND CUTS . Round or grommet cutouts can be made with a hole saw up to 6″ in diameter. A drill press is recommended for this operation. Use a very slow speed heavy duty drill with a bi-metal cutting hole …