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Posted by =?ISO-8859-1?Q?Tekkie=AE?= on June 18, 2007, 8:10 pm
Zephyr wrote:
> Use duct mastic "DP1010". But it is approved for use on metal only, not
> flexible ducting. Around the plenum areas' you'll find start collars that
> leak tremendously more than some minor joint connections. Try locating this
> area, and sealing with duct mastic. Comes in a one gallon container and you
> can paint it on using a paint brush. Keep in mind the material is thick
> from the factory. Do not thin with water.
>
> Aluminum tape is approved for use on duct board and such. UL181 approved
> tape is a better choice for flexible ducting. Come 120 yards to a roll. Do
> not use rubber backed duct tape without using mechanical bands. Home depot
> I believe does not sell UL181 tape. They sell a product they "call duct
> tape."
>
Yeah, but he's looking for duck tape! I guess he wants a bill...
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Posted by Noon-Air on June 18, 2007, 8:26 pm
> Zephyr wrote:
>> Use duct mastic "DP1010". But it is approved for use on metal only, not
>> flexible ducting. Around the plenum areas' you'll find start collars
>> that
>> leak tremendously more than some minor joint connections. Try locating
>> this
>> area, and sealing with duct mastic. Comes in a one gallon container and
>> you
>> can paint it on using a paint brush. Keep in mind the material is thick
>> from the factory. Do not thin with water.
>> Aluminum tape is approved for use on duct board and such. UL181 approved
>> tape is a better choice for flexible ducting. Come 120 yards to a roll.
>> Do
>> not use rubber backed duct tape without using mechanical bands. Home
>> depot
>> I believe does not sell UL181 tape. They sell a product they "call duct
>> tape."
> Yeah, but he's looking for duck tape! I guess he wants a bill...
Duck tape is not all its quacked up to be
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Posted by CJT on June 18, 2007, 8:35 pm
Zephyr wrote:
<snip> Home depot
> I believe does not sell UL181 tape. They sell a product they "call duct
> tape."
>
So try Lowes:
http://www.lowes.com/lowes/lkn?action=productDetail&productId=95192-133-95192&lpage=none
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The e-mail address in our reply-to line is reversed in an attempt to
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Posted by on June 19, 2007, 1:14 pm
> Use duct mastic "DP1010". But it is approved for use on metal only, not
> flexible ducting. Around the plenum areas' you'll find start collars that
> leak tremendously more than some minor joint connections. Try locating this
> area, and sealing with duct mastic. Comes in a one gallon container and you
> can paint it on using a paint brush. Keep in mind the material is thick
> from the factory. Do not thin with water.
I just bought a half gallon of DP1030, UL 181 listed, Water Based Duct
Sealant
Says its for metal air duct, flexible duct, and fiberglass duct board
It is a thick, gray material. I bought it to seal up some duct, which
I assume are fiberglass duct board (They are boxy shaped tubes).
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Posted by on June 18, 2007, 4:26 pm
> Hi,
> Is there something like temperature stable putty I can use instead of
> duct tape to seal small air leaks on the duct? (screw holds, joints, etc.)
Mastic Sealant
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> flexible ducting. Around the plenum areas' you'll find start collars that
> leak tremendously more than some minor joint connections. Try locating this
> area, and sealing with duct mastic. Comes in a one gallon container and you
> can paint it on using a paint brush. Keep in mind the material is thick
> from the factory. Do not thin with water.
>
> Aluminum tape is approved for use on duct board and such. UL181 approved
> tape is a better choice for flexible ducting. Come 120 yards to a roll. Do
> not use rubber backed duct tape without using mechanical bands. Home depot
> I believe does not sell UL181 tape. They sell a product they "call duct
> tape."
>