2012年5月2日 · Step-by-step instructions on how to insulate and air-seal an attic hatch using rigid foam, weatherstripping, and secure latches.

2021年5月28日 · The problem is attic ductwork The main reason that anyone talks about conditioned attics is that some builders want to install ducts in the attic. Installing ducts in an attic is a bad idea, but many builders don’t know that. While locating ducts in an attic reduces installation costs for the builder, it increases energy costs for the homeowner.

2021年9月9日 · If you don’t have air conditioning or natural-draft combustion appliances, a powered attic ventilator can keep your attic cooler. I had someone once tell me that the rubber handles on a wheelchair he stored in the attic stopped melting after he installed one. But for keeping the house cool, a powered attic ventilator isn’t a good idea.

Blown-in fiberglass consists of milled glass fibers like those used to make fiber-glass batts. When it is blown onto an attic floor, it is referred to as loose-fill fiberglass. This material has a lower R-value per inch (2 to 2.7) than any other common insulation product, so it’s best applied in an attic that has enough room at the eaves to accommodate insulation installed 16 in. to 26 in. deep.

2010年12月31日 · There are five main questions to answer before insulating a sloped roof to avoid increased energy consumption and costs.

2014年7月3日 · It’s important to keep attic air out of the house and house air out of the attic. That's why the home performance industry and every above-code building program make it a top priority to fully separate attics from the rest of the building. When the attic isn’t fully air sealed from the living space and the combustion appliance zone, three undesirable scenarios can occur:

2015年8月26日 · A dark roof gets hot, and that heat conducts downward into the attic. The best way to keep that heat out of the attic is to prevent it from being absorbed by the roof. Image Credit: Cameron Taylor View Gallery

2013年12月6日 · A rundown of reasons why venting an attic makes sense and how it can prevent issues that negatively impact a house's performance.

2012年10月10日 · Pull-down attic stairs are super-sized attic hatches that just beg homeowners to store more stuff in their attic. Besides the air-leakage and insulation problems stemming from having a particularly large hole in your ceiling, pull-down stairs creates a potential storage headache. For homeowners, a storage problem usually means “not enough space.” For energy auditors, a storage problem ...

2023年6月29日 · The condensation-related problems associated with unconditioned attics have less to do with ventilation than air-sealing and insulation.