Author: yellowblue

Yellowblue engineer Dennis Grubb takes a look at some common, but often forgotten, sources of excess heat in homes: incandescent light bulbs. Later, installer Eric Mortenson goes over the different...

After working their way through the attic sealing can lights and ducts, Eric and the team systematically go through the plumbing stacks to check for air sealing errors. We've been systematically...

Yellowblue installer Eric Mortenson goes over the thorough process of installing house wrap onto a home. Eric details the tools you need, the application process, and how to make sure...

To properly seal a home's building envelope, you need the right tools. We break down the materials and products we used in this home to seal open chaseways and prevent...

If you add up all the gaps between a home's outlets, gaskets, and lighting fixtures, you'd have a basketball-sized hole in the building envelope. Here are some of our common...