The essential steps to improving your home's thermal efficiency
In short: Learn the proper technique for insulating an attic from professional contractors. This guide breaks down a manageable DIY project that can significantly impact your home's comfort and energy use.
General contractor Tom Silva and host Kevin O'Connor demonstrate how to install R-38 batts of unfaced fiberglass insulation. The process involves laying the batts across ceiling joists to cover existing material, ensuring they are pressed tightly at all joints to eliminate gaps.
The project typically takes between 2 and 4 hours depending on the attic size. Key safety and placement rules include wearing a dust mask and gloves, and keeping insulation away from plywood roof sheathing while extending it up to the rafters.
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Sources
- Summary by Intellect · source: How to Insulate an Attic | This Old House
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