I still need advice on which to use; PVC or what kind of metal ducting?

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Forum topic by HarleySoftailDeuce posted 06-02-2009 08:49 PM 1002 views 0 times favorited 3 replies Add to Favorites Watch
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320 posts in 3595 days

06-02-2009 08:49 PM

I’m still torn between PVC and metal pipe;spiral,laser welded,snap lock ?? Any suggestions?


-- Paul, Bristol,Rhode Island

3 replies so far

View MedicKen's profile


1615 posts in 3637 days

#1 posted 06-02-2009 09:10 PM

Paul…..I would use whatever is the cheapest cost. You also need to think about the flexability of the system.Is this in a permanant location? Are you in a rental that will have to be torn down in a few years? If that is the case I would look at the snap lock. If not, I would think that PVC would be the best option.

You are probably going to get a lot of different responses to this question. Some are going to say that the PVC is a fire hazard due to static electricity. PVC does create a lot of static when you begin moving a large quantity of air through it. But, if it is grounded well it isnt an issue. I would think that most are going to recommend spiral pipe as it has been the most commonly used product for years. My experience with it is limited as its all expensive.

If I were putting in a dust collection system I would go with PVC. A local pumbing supply house would have all the necessary pipe and fittings. I would not use SCH40 but drain and waste pipe, SCH 40 is overkill and the fitting selection is limited.

-- My job is to give my kids things to discuss with their

View pitchnsplinters's profile


262 posts in 3613 days

#2 posted 06-03-2009 05:03 AM

I agree, go cheap.

-- Just 'cause a cat has kittens in the oven, it don't make 'em biscuits.

View a1Jim's profile


117276 posts in 3752 days

#3 posted 06-03-2009 05:38 AM

If you want top quality go spiral , long lasting and flexible if you get snap lock system.
If you want the least expensive go pvc , Just don’t use standard elbows because it’s corners make to sharp of turns. You can ground it if you like but in twenty years I haven’t had any problems(but it doesn’t mean you wont)

-- wood crafting & woodworking classes

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