Quote:
Originally Posted by JD4x4
For what it's worth, I had a heck of a time here in Maryland when I was asking for "Schedule 26" pipe. Most didn't know what I meant. I found out that "thinwall" is a better term around here, and it seems to be used widely by landscapers/irrigation companies. Once I found thinwall, "Schedule 21" was all I could find and the markings are "SDR21" and "ASTM D 2241". I think it's a wee bit thicker than 26 since the 2 liter caps only go about halfway in but it seems to work with a generous amount of glue to seal the cap "ridges". I'm using 1 inch pipe, btw.
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My thinwall that I got at menards is a bit tight but after a soak in boiling water the caps would go in and be very tight. Hope this helps anyone else.
Don
PS I found out after buy a 10 ft section of the thin wall from Home Depot that their thin wall is the correct size. The bottle cap is a nice press fit.