by srmi | Dec 14, 2022 | Energy News
Insulation’s ability to resist heat flow is measured by its R-value. “R” stands for “resistance.” Like many numerical values, there are two R-values and we refer to both as “R-value.” The metric R-value is also known as RSI or R for resistance in the “Systeme...
by srmi | Nov 25, 2022 | Energy News
Airtightness and Resistance Effects Most of the hazardous particulates enter the home from outdoors. The airtightness of a home is the most important factor to minimize airborne particles, known as PM2.5, in indoor air. PM2.5 means particles of less than 2.5 microns...
by srmi | Nov 7, 2022 | Energy News
Masonry air leaks Masonry materials must be airtight and have airtight joints between the building assemblies to function as air barriers. Masonry roofs, walls, and floors may or may not be airtight. For example, concrete block isn’t itself airtight. Joints between...
by srmi | Oct 20, 2022 | Energy News
Selecting caulk Caulk fills and seals narrow and consistent joints between building materials. Selecting the best caulk requires recognition of the substrate materials (the materials bordering the joint), the gap size, weather exposure, and joint movement from...
by srmi | Oct 4, 2022 | Energy News
Lead is a dangerous poison. Widely used in the paint and plumbing pipes of residential homes until 1978, lead poisoning remains one of the most serious residential health risks. Lead was also used in gasoline until 1996. Depending on how near your home is located...
