We all know the terminology.

Insulated panels.

Thermal performance.

U-values.

Thermal breaks.

But how much do those numbers actually mean when you're standing in front of a customer's garage?

And how do you know whether you're comparing garage doors properly?

In this episode of the Garage Door Installers Podcast, James takes a proper look at the thermal performance of garage doors - from basic single-skin up-and-over doors through to insulated roller doors, sectional doors and side-hinged doors.

Because the customer doesn't necessarily care that a door has a particular U-value.

They care that their garage is freezing.

They care that the room above the garage is cold.

They care about making their garage more comfortable.

And that's where understanding the product properly allo ...