If you have a really big pipe, you use a ball of lightweight foam or a
bread bag blown up to loosely fit the pipe and tied off.
On 10/24/2011 5:10 PM, Wilson Lamb wrote:
> Professionals use cheap plastic pull twine and blow it through with
> compressd air. No doubt a cap with a hole for the twine and a hole for air
> is used by some, but I've seen them just use their hand and an airgun. I
> think a wad of paper is the usual puller.
> Those who know can chime in now.
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