How to cut a concrete floor for new plumbing before cutting.
Cutting lines in concrete.
The concrete you will find is going to expand over time as well.
Apply the line as thick as possible.
Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk.
Mark the cutlines on your concrete using chalk lines or a piece of chalk.
Place joints under walls or under carpet areas under walls they won t be seen.
Using a cut off saw 1.
What kind of saw to use one thing to be aware of before we go further.
For perfectly straight lines use a chalk.
Fix a pair of vice grips to the side of the old.
Cutting hollow concrete block first score the line don t force a blade into a cut.
Saw cuts are a used to create control joints in concrete which help control where cracking occurs due to shrinkage.
The cuts should be made at a predetermined spacing and only after the concrete has obtained sufficient strength but before internal cracking begins.
Makes it easier to make.
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.
Before cutting into the concrete floor obtain a set of the home s mechanical prints to determine the.
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.
Therefore the timing of saw cuts is critical.
Groover tools cut joints in fresh concrete.
You ll ideally run a trickle of water.
You can use a dry cutting blade with or.
Adjust the blade depth of your.
Attach a 14 inch 36 cm wet cutting diamond blade to a cut off saw.
Let the weight of the saw and the blade do the cutting.
Why do they cut lines in concrete contraction can happen.
Contraction of the concrete is a major issue and it will cause quite a few cracks in the.
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.
Plan out your control joint spacing 24 36 times the depth.
