Originally Posted by
Larry Frank
There is no reason that gates should leak at all. A 6" aluminum blast gate costs about $25 and leaks ??? My 6" blast gates slide and do not leak. They cost a couple of dollars to make.
What is relatively leak free ???? Try to do a better job??? If I had them and they leaked, I would rate the 1 star out of 5 and return them.
This is one of mine with a 6" to 4" reducer. It doesn't clog or jam, slides easy and no leaks.
o6b5nd9.jpg
I still cannot work out why leaks cause so much angst apart from the noise. They reduce or go to zero when a duct is opened so what is the problem? If the duct is 100mm/4" then the blast gate will still leak because the duct is operating at maximum flow so the leak is still not affecting the performance of the duct.
Chris
Everything I like is either illegal, immoral or fattening