Fiberglass Insulation

By Robert Robillard on Energy Saving

Fiberglass Insulation Just Got Better!

Fiberglass insulation, the most common type, of insulation accounts for more than 75% of the insulation found in homes and buildings.

CertainTeed recently started manufacturing a fiberglass insulation batt called “DryRight” with a breathable film called MemBrain to help control moisture within wall cavities.

DryRight’s pores open under moist, humid conditions during the cooling season and close to block vapor transmission when humidity is low inside during the heating season. The result, the manufacturer says, is a product that controls moisture, mold, and mildew growth within wall cavities.

Knauf Insulation unveiled “Perimeter Plus,” a loose-fill fiberglass insulation product that is designed to be blown into closed cavities behind a net. The manufacturer says this system offers consistent coverage and fills gaps and voids in wall cavities better than traditional batts.

Johns Manville has manufactured an impressive spray-in fiberglass system called “Spider” which offers some properties and benefits similar to spray foam insulation.

Spider’s fibers are mixed with an adhesive and sprayed into wall cavities and allowed to cure. It completely fills voids and gaps, the manufacturer says, and eliminates areas where air infiltration and energy loss may occur.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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