notredameforlife Posted November 18, 2019 Share Posted November 18, 2019 I am building 4 leaping arches. I have 2 inch hdpe pipping. Usually I would bend the pipe manually and force it into shape until last year the pipe dented. Without having to make a jig what is some ways to bend the pipe without denting the pipe? I bought the lengths precut from mcmaster car 10 foot lengths. Link to comment Share on other sites More sharing options...
tlogan Posted November 18, 2019 Share Posted November 18, 2019 I found regular old PEX from the big box store worked fine for me. I was able to bend it without kinking. How short did you make the span? Link to comment Share on other sites More sharing options...
Dennis Laff Posted November 18, 2019 Share Posted November 18, 2019 I also used 10 ft sections from McMaster Carr I used a small racthing tiedown with hooks on the ends to pull the ends together to form the arch left in the sun for a day or two and it stayed close to the desired shape . n Link to comment Share on other sites More sharing options...
orchidman Posted November 19, 2019 Share Posted November 19, 2019 I know it will not help this year but for next year, might help someone. Several years ago, during the heat of the summer, I put the pipe on the roof (asphalt) when it was 100 deg outside. Used a rope threaded through the pipe and pulled the ends together. Each day, pulled it more and more until I had the shape I needed. Amazing how soft it would get. And they are still holding their shape. Link to comment Share on other sites More sharing options...
notredameforlife Posted November 20, 2019 Author Share Posted November 20, 2019 Thanks all, i will take some pics. I got 2- 3/8 fence brackets and 3/4 -5 foot conduit. I beat the conduit end flat on both ends, drilled a 1/4 hole and wrapped the fence bracket around my hdpe pipe. I then was able to bend the pipe and secure it together with bolts. I was worried it would kink but the last time It kinked I guess i was bending it to much. I love the way it looks as I can store it and reuse it every year. Link to comment Share on other sites More sharing options...
jtomason Posted December 12, 2019 Share Posted December 12, 2019 I mounted rebar caps to flat steel and hose-clamped the HDPE on to the rebar caps. Has worked well for 3 years now. Link to comment Share on other sites More sharing options...
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