[Source:www.tdvent.com] [Mending & Repairing of duct]
Always have clean and dry fabric to work on,if you sew,use double thread and choose distance between eachthread depended on damage.For better results,sew"up and down".This method is for quick repairing and should not be permanent because leakage.For better durability and density use glue after sewing.
It is also usually only use glue,when using glue,always have something at the inside to press against until the glue got dry,at the same time you avoid that duct paste together at the inside.
There is still another way to repair the duct---hot air gun.Repairing with the hot air gun is the most professional way to repair the duct.The results areoptional durability of a repaired damage and no leakage.when using hot air gun,always have something direct under the area your are repairing!Since it's very hot,so you must be careful when using it and protect yourself.
The repair sleeve is also a fast and secure method for repairing the damaged duct.with the repair sleeve,the repair will be professionally done and the air leakage rate will be maximum reduced from the hole.Wrap the repair sleeveover the duct,make sure the hole is well covered by the sleeve and the zipper is at least 500mm away from the hole.
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