If ducts are made properly, they should be locked together by a folded seam by which the ends of the ducts slide together and an edge is then folded over to lock it all together. Look up "pittsburgh seam" or "pittsburgh seaming" and "ducting" on Google.
Metal duct is pretty rare in the south. They use fiberglass "duct board" that gets taped together with metal backed tape. When A/C is you main use, ducts are in the attic and humiidity is 90+ metal will sweat like a pig. Garden variety duct tape won't last a year.
I realize things now are made pretty thin and flimzy but the makers cannot be responsable when the product is dropped on a hard surface or it was treated with rough hands .
Agreed. I've said it before, and I'll say it again (regardless of the nut cases who insist that cheap garbage should be as good as the high-end gear): You get what you pay for.
Some time back, a colleague who worked at our local Nikon distributor here in Australia told of a story where someone in a hurry to get where they're going threw their "happy snappy" style Nikon onto the back seat and closed the door.
In reality, it slipped off the seat, the cord being snagged by the door, with the camera now resting on the ground.
They drove to wherever they were going, all the while thinking there was something seriously wrong with the engine with all that clicketing going on.
Anyway, get to their destination, thought to worry about the engine later, and come round to collect the stuff (camera included) from the back seat.
Horrified to find a now very battered camera.
Fast forward to how Maxwell's found out, they had brought it in to see what can be done about the metal "case" (still worked after all that). Maxwell's offered to take the camera off their hands, replace it with a new one, and keep the old battered one on a glass shelf in the reception area demonstrating what the things will endure and still work.
And these guys are whining about a measly door clip. Wimps.
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