How to cut a concrete floor for new plumbing before cutting.
Cutting lines in concrete.
When dry cutting back the blade off and allow it to run free every 30 to 45 seconds to prevent overheating.
Let the weight of the saw and the blade do the cutting.
If of your slab s thickness doesn t reach 1 make sure you still cut at least a 1 depth.
Most residential concrete floors are about 4 inches thick and contain steel reinforcement in the.
Using a cut off saw 1.
While this goes along with the.
Apply the line as thick as possible.
Makes it easier to make.
You can use a dry cutting blade with or.
Saw cuts are a used to create control joints in concrete which help control where cracking occurs due to shrinkage.
Why do they cut lines in concrete contraction can happen.
Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk.
What kind of saw to use one thing to be aware of before we go further.
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.
Recap on cutting concrete control joints control joints are not intended to stop cracking but rather control cracking it is best to cut joints as early as possible either while finishing with a concrete groover or within 6 18 hours after.
Place joints under walls or under carpet areas under walls they won t be seen.
A good rule of thumb is to make your cut the thickness of your concrete.
The concrete you will find is going to expand over time as well.
Before cutting into the concrete floor obtain a set of the home s mechanical prints to determine the.
You ll ideally run a trickle of water.
Therefore the timing of saw cuts is critical.
Plan out your control joint spacing 24 36 times the depth.
Groover tools cut joints in fresh concrete.
Adjust the blade depth of your.
The cuts should be made at a predetermined spacing and only after the concrete has obtained sufficient strength but before internal cracking begins.
Mark the cutlines on your concrete using chalk lines or a piece of chalk.
Cutting hollow concrete block first score the line don t force a blade into a cut.
For perfectly straight lines use a chalk.
