Is Duct Tape A Good Insulator

How to repair a flat roof leak Most EPDM rubber roofs start to leak at the seams especially where it meets a skylight or vent pipe.

Building Science Geeks love to hate on flex duct in HVAC systems They take pictures of terrible flex duct installations in crummy.

In this video I cover some of the biggest most common and potentially dangerous mistakes that people make when connecting.