The Attic Hatch: Seal the 'Great Escape'
Impact
High
Difficulty
Easy
Speed
Instant
You might have 15 inches of insulation in your attic, but if your attic hatch is just a piece of uninsulated plywood, it's like having a high-end winter coat with a giant hole in the chest.
Because hot air rises, your attic hatch is the most common place for expensive heat to escape. In the winter, you can actually feel the warmth rushing up there. The fix is a simple weekend project: glue a piece of rigid foam insulation to the top of the hatch and add some self-adhesive weatherstripping around the edges where it rests on the frame. This creates a tight, insulated seal that keeps your treated air in your living space.
It's an incredibly high-ROI task. For about $20 in materials and 30 minutes of your time, you're plugging one of the largest leaks in your home's envelope. It makes those upstairs rooms feel much more comfortable and takes a significant load off your furnace. Don't let your money float away through the ceiling—seal the hatch!