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Sealing PVC Dust Collection ducts - Anyone used 3" Stretch wrap?

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Forum topic by blaughn posted 10-22-2016 04:24 PM 1820 views 0 times favorited 9 replies Add to Favorites Watch
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blaughn

16 posts in 509 days


10-22-2016 04:24 PM

I am finishing up the instillation of my Grizzly G0443 Dust collector (6” PVC with 4” PVC drops). I am considering using 3” stretch wrap to seal the connections but wonder if that is a good solution long term.

Has anyone used stretch wrap over PVC given it the ”test of time”?

Bruce

-- Don't ever run out of airspeed, altitude and ideas at the same time.


9 replies so far

View Craftsman on the lake's profile

Craftsman on the lake

2708 posts in 3274 days


#1 posted 10-22-2016 04:55 PM

No I haven’t…. If you’re using pvc pipe, put a bead of silicon around the inside of joints before connecting.

-- The smell of wood, coffee in the cup, the wife let's me do my thing, the lake is peaceful.

View jmos's profile

jmos

797 posts in 2206 days


#2 posted 10-22-2016 05:19 PM

Or don’t seal them at all. I’ve got a thin walled PVC system attached to my ClearVue cyclone and none of my joints are sealed. If you insert the pipe deep into the fitting it’s pretty tight as it is. Leakage is minimal, if any.

I did shoot self-threading sheet metal screws through the fitting and pipe and many joints just to prevent them from rotating or pulling apart.

This also makes the system much easier to modify in the future as it all pulls apart.

-- John

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pmayer

987 posts in 2902 days


#3 posted 10-22-2016 11:17 PM

i actually just unwrapped the stretch wrap on my clear vue after five years of use. It was still sealed well after all that time. I haven’t tried to re-use the wrap yet, but I’m not optimistic. We’ll see. I’m installing a new Laguna this weekend and I’ll find out.

-- PaulMayer, http://www.vernswoodgoods.com

View Redoak49's profile

Redoak49

2894 posts in 1825 days


#4 posted 10-23-2016 01:53 AM

I have used both 4” and 6” PVC and do not seal it. I have never found any leaks.

I have taped some with Gorilla Tape just to hold things together better and make it stronger.

View pmayer's profile

pmayer

987 posts in 2902 days


#5 posted 10-23-2016 09:53 AM

I should clarify; I only used this stuff on the connection of the PVC duct to the cyclone itself. Like Redoak, I do not seal each connection in the PVC ducting. The leaking in the ducting is negligible, and doesn’t add up to a measurable difference in CFM.

-- PaulMayer, http://www.vernswoodgoods.com

View Dabcan's profile

Dabcan

255 posts in 2508 days


#6 posted 10-23-2016 10:40 AM

I didn’t seal my pvc pipes mainly due to laziness, however the first time I had a clog in the pipes, I was very happy they weren’t sealed and could easily come apart. I find they are a nice tit fit without leaks on their own, and being able to disassemble is very useful

-- @craftcollectif , http://www.craftcollective.ca, https://www.etsy.com/shop/craftcollective?

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blaughn

16 posts in 509 days


#7 posted 10-24-2016 07:02 PM

Had a brain storm. I lit a raid mosquito coil and walked the length of my duct work allowing the smoke to travel upward. I found two spots where the smoke made a sharp turn into the joint on either end of a 45 degree 6” elbow. I sealed these two joints with silicone rescue tape and that did it. The smoke shows no other leaks. Even the blast gates are sealing well.

I think I am finally done!!! Now it is time to return all the extra PVC pipes and fittings to Menards. What a excruciating exercise this has been to put it all together.

-- Don't ever run out of airspeed, altitude and ideas at the same time.

View woodbutcherbynight's profile

woodbutcherbynight

3644 posts in 2245 days


#8 posted 10-25-2016 02:04 AM



Had a brain storm. I lit a raid mosquito coil and walked the length of my duct work allowing the smoke to travel upward. I found two spots where the smoke made a sharp turn into the joint on either end of a 45 degree 6” elbow. I sealed these two joints with silicone rescue tape and that did it. The smoke shows no other leaks. Even the blast gates are sealing well.

I think I am finally done!!! Now it is time to return all the extra PVC pipes and fittings to Menards. What a excruciating exercise this has been to put it all together.

- blaughn

I used a fog machine, found it on craigslist for free. Worked great, best part had a blast screwing with the neighbors!!!!

-- Live to tell the stories, they sound better that way.

View Notw's profile

Notw

597 posts in 1590 days


#9 posted 10-25-2016 07:22 PM

I used white duct tape, probably didn’t need it but i did it anyway

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