Setting up dust collector

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Forum topic by MikeGraw posted 05-31-2010 07:19 AM 1188 views 0 times favorited 5 replies Add to Favorites Watch
View MikeGraw's profile


21 posts in 2340 days

05-31-2010 07:19 AM

Topic tags/keywords: dust collector blast gates question

I am in the process of setting up my dust collector in the shop of the basement of the house we moved into recently. Today, I spent the day disassembling all the pipes, fittings and blast gates from the way I had them in a previous shop.

There are aluminum blast gates, metal and plastic pipes (ridgid and flexible) and plastic fittings. I the last shop in which I was able to pipe the dust collector, I did two things that didn’t work too well. Maybe someone has a better idea for me.

First, I connected all of the joints and used screws and furnace tape to seal the joints. This worked fine. Unfortunately, on some I used construction adhesive to better seal the joint and now am having a bear of a time getting the fittings and pipes apart. Any ideas on how to loosen the glue to pull the items apart so I can use them in the new shop? Thought maybe a heat gun but haven’t tried it yet.

Second, never got the pipes or fittings to attach well to the aluminum blast gates. Had tried screwing them together, but the self tapping screws wouldn’t go into the blast gate. Finally just wrapped them good with the metal furnace ducting tape and they stayed put, but I wouldn’t say they were very secure. I want to make them solid, and I hope this is our last move but who knows, so I want them to be able to be taken apart for reconfiguration or moving if need be. Open to ideas.

-- Mike's having fun in Central Wisconsin

5 replies so far

View a1Jim's profile


115171 posts in 2995 days

#1 posted 05-31-2010 07:28 AM

Hey Mike
I use the aluminum tape and cut a small section of of pvc to slide into the inside connection on the blast gate and use aluminum tape there too.

-- Custom furniture

View thatwoodworkingguy's profile


375 posts in 2348 days

#2 posted 05-31-2010 09:32 AM

I switched over from PVC and I got everything at woodcraft so I have never ran into these problems.
sorry =(

-- ~Eagle America~ ~Woodcraft~

View TheChucker's profile


38 posts in 2531 days

#3 posted 05-31-2010 02:59 PM

I have the aluminum blast gates attached at five different points in my dust collection system. I used some kitchen and bath clear silicone at all the joints that provides a good air tight seal, but still lets me pull it apart if I need to. I did have to move one blast gate after I got everything installed, and a quick strike with a rubber mallet loosened the joint and I was able to repositioned the gate.

-- Wherever you go, there you are.

View MikeGraw's profile


21 posts in 2340 days

#4 posted 06-02-2010 05:23 PM

Well I figured out how to get the fittings apart that I had used construction adhesive on. I heated the outside joint up with a paint heat gun until it was good and hot. Then I put the pipe or cool fitting into my vise. The hot outside pipe loosened up the glue and I could twist it off. Worked great and saved me having to buy new parts.

-- Mike's having fun in Central Wisconsin

View robertp's profile


18 posts in 2329 days

#5 posted 06-06-2010 11:07 PM

I’d guess you’ve already thought of this but in case you haven’t and it applies to your situation I’ll mention it. I have my shop in the basement and I have my DC outside now. There is less dust and when I burn some wood on the table saw,(it happens,) I don’t freak out that I’ve created a power draft sawdust combustor underneath my house. The thing is if you have your DC outside you have to have outside air coming into your shop to make up for the air it sucks out. I was wondering why my smoke detector was going off and what the peculiar waft of hot air was as I walked down the basement steps one day, but before panic could take hold I slapped my forehead and opened a basement window. Nice breeze. I had been back drafting my HW heater. By the way it collects better with the window open too. Anybody know anything about fire sprinklers?

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