The Connector In Attic Is Leaking

The cure for these duct leaks is simple.

The connector in attic is leaking.

Then either glue in a proper 3 in to 4 in. Of pipe two cuts. Most people assume this is caused by a leaking roof but that might not be the source. Reconnect leaky duct sections photo at left.

Many builders fail to properly seal these areas or if they do the fiberglass batts fall out of place. Kneewalls can help create a finished attic space but they often create insulation and air leak vulnerabilities. Water found in these places is commonly caused by condensation in the attic. In addition to making a mechanically sound connection between duct sections sheet metal screws mechanical fasteners nylon tie strips we use metal foil tape to complete the seal on connected metal duct sections.

As you might expect when the caulk eventually fails a trickle of water will leak through and drip down through the ceiling below. Attic condensation is due to humid air leaking or vented into the attic. Pvc coupling or insert a 3 in to 4 in. Areas where leaks have.

Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible. If you have a finished attic you probably have kneewalls those short walls underneath sloped ceilings.