Exterior paint blisters: what causes it and how to fix it. There are two culprits and two solutions. When paint dries too fast (especially latex paint on a hot sunny wall) it can form a skin over the liquid paint. As the liquid paint dries, there is nowhere for the Read more »
Insulation levels in a home heated by natural gas. From the top down: R38 in the peak attic, R13 in the 2x4 kneewalls, R38 in the kneewall flats, R-13 in the the 2x4 walls, R30 in the 2x10 floor. Sketched by Kyle, a great employee and artist. The ideal amount Read more »
Every building material resists heat flow in some manner. Glass does it poorly, fluffed insulation does it really well. The ability of a material to resist heat flow is called its R-value. When I recommend ugrades, such as adding insulation to the attic, I use software that generates a Read more »