cutting asphalt for an grate drain

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geofd

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lots of water comes down my driveway, and off one of my downspouts i want to catch that water and re direct into the back yard
would appreciate any ideas, i know i can rent a saw, but won't it get caked up with asphalt, how hard is it to clean before i would return. is there one drain better than another.....?????thanks again
 
Go to the tool rental store, tell them what you're cutting and have them reccomend the best blade for your project.
 
I once rented a gas powered diamond blade saw to cut asphalt.

The saw blade got only slightly tarry, and I cleaned it up easily with mineral spirits and a plastic scrubbie.
 
You can rent a demolition saw with a 10" diamond blade. Around here, they will measure the blade before and after rental and charge you for the wear.
Or you can get a diamond blade and use your circular saw. They are tougher than you might expect. And then you have the blade for future projects.
 
slownsteady said:
You can rent a demolition saw with a 10" diamond blade. Around here, they will measure the blade before and after rental and charge you for the wear.
Or you can get a diamond blade and use your circular saw. They are tougher than you might expect. And then you have the blade for future projects.
Click to expand...
thats true i have an old worm drive thats a work horse heavy thou
 
A circular saw might not cut deep enough.
The one time I did this job with a rented gas saw, some asphalt sections were over five inches thick.

Fyi, the saw was pretty easy to use.
The spinning blade gives some stability like a gyroscope.

You might want to lay down some weighted boards as a straight edge.
At least for the first pass to create a good clean line.
I used cheapo topsoil bags as weights.

I found that I had to walk backwards with the saw, and that the chalk lines I put down were instantly gone from dust.
 
Last edited:
True, chalk lines are almost useless. I did the same thing with a board and weights for hold-downs. I wouldn't walk backwards tho. the saw is designed to cut going forward.
And true, the asphalt could be deeper than than circ saw can cut, but as long as you have a clean cut at the surface......

A demo saw also has the advantage of being designed to cut wet, which keeps the dust down.
 
Maybe I did walk forward, it has been about ten years since.

But in my recollection I was backing up.

Probably early dementia kicking in.
 
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