John Miller

John Miller is a principal at Northstar Associates, a construction training consultancy. He has many decades in the trenches of siding installation and replacement.

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Insulation & Air Sealing

Adding Continuous Insulation to Exterior Walls (PTC Live!)

A layer of Styrofoam outside your walls will improve the performance of the walls, slashing air leaks and moisture problems and boosting the cavity insulation's performance

July 8, 2024