Of all the tips i can give you this one helped me the most.
Cutting plywood floor with circular saw.
If you already own a circular saw this simple to make zero clearance circular saw guide will help you make accurate rip and cross cuts in full 4 x 8 sheets of plywood.
Other considerations are the ability to cut straight lines.
I do about 1 4 so for ripping 3 4 thick plywood i set my blade to about 1 depth.
Most tear out will occur on the top of the cut when using a circular saw so whatever tear out you encounter should be on the bad side if you flip it upside down.
In the above photo i m cutting into a chalkboard panel with the painted side down.
Specially designed to cut through masonry materials for prolonged periods the masonry wall saw typically resembles a standard circular saw.
Adjust your saw blade depth.
How to cut plywood with circular saw.
When cutting plywood with a circular saw you have to know a few things also.
Since this circular saw cutting jig gets placed up against the cut line it makes it much faster than other cutting guides that require you to offset the guide some distance.
When cross cutting plywood with a circular saw flip the good side over so that it s on the bottom.
Spike carlsen an editor for the family handyman will show you how to cut construction grade plywood and finish grade plywood with a circular saw in our video tutorial.
To make a zeroclearance base cut a scrap piece of 1 4 hardboard to match the size of the saw s base plate.
Make certain the edge of the insert on either side is flush with the base plate edge.
Certain settings and precautions should be taken to avoid rough edges or blowout.
As with the table saw the blade must be appropriate for cutting plywood.
Circular saws can be tricky to handle on plywood.
Then retract the saw blade above the base and attach the zeroclearance plate using double face tape or screws if the base has mounting holes.
Start by marking the outline of the square or rectangular hole onto the plywood sheet.
When you cut plywood with a circular saw then.
However this is a potentially dangerous technique if not done properly.
We recommend using at least 80 tooth blade and for best performance we recommend this 140 tooth dewalt blade.
A circular saw is ideal for plunge cutting a hole into the middle of a plywood sheet.
Adjust your circular saw cutting depth to be just below the material.