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S-F · 12-09-11, 08:01 PM

Just get anything like that with some PVC, some silicone and some PVC cement. You'll also need a hole saw the size of the pipe and some way to drill the slab. I don't know how the pro's do it but they cut a perfectly sized hole in the concrete.

Why do you think 3" pipe is easier to work with? Personally I see little difference aside from the 4" being (probably) more effective.

12-09-11, 08:01 PM	#27
S-F You Ain't Me Join Date: Nov 2009 Location: Northampton MA Posts: 662 Thanks: 6 Thanked 71 Times in 58 Posts	Just get anything like that with some PVC, some silicone and some PVC cement. You'll also need a hole saw the size of the pipe and some way to drill the slab. I don't know how the pro's do it but they cut a perfectly sized hole in the concrete. Why do you think 3" pipe is easier to work with? Personally I see little difference aside from the 4" being (probably) more effective. Last edited by S-F; 12-09-11 at 08:05 PM..