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I put aluminum foil balls in my window wells for the first time in 8 years. This is what happened
One of the most surprising outcomes of the aluminum foil balls was their effect on the local pest population. Previously, my window wells were a haven for spiders and small insects. However, within a week of installing the foil balls, I noticed a significant decrease in the number of critters.
It appears the shiny, reflective surface of the foil balls is unappealing to insects. The crinkly texture may have also played a part in deterring them, as I saw fewer webs and nests. While not 100% effective, the reduction in pests made a noticeable difference and reduced the frequency with which I had to clean out the window wells.
5. The Surprising Impact on Moisture, Odor, and Mold
I was skeptical that simple foil balls could affect moisture levels, but I was proven wrong. The reflective properties of aluminum foil seemed to help reduce condensation on the basement windows, likely by keeping the window wells drier and better ventilated. Over the course of a month, I noticed a decrease in the musty odor that often lingered in the basement.
Furthermore, the reduction in moisture appeared to deter mold growth. I had previously dealt with minor mold issues, especially during the rainy season, but these seemed to diminish after the installation of the foil balls. While not a substitute for proper ventilation and dehumidification, the foil balls provided an unexpected layer of protection against excess moisture.
6. Did the Foil Really Help With Basement Temperature and Drafts?
While I did not expect a significant change in temperature, the foil balls did provide a modest improvement in the overall warmth of the basement. On particularly sunny days, the reflected light seemed to increase the ambient temperature by a few degrees, from an average of 62°F to around 65°F.
Notably, the foil balls helped reduce drafts near the windows. By reflecting light and heat, the aluminum foil appeared to create a small insulating barrier, which helped retain warmth during colder days. Though not a complete solution to draftiness, the foil balls contributed to a more stable and comfortable basement climate.
7. Noise, Privacy, and Other Unexpected Side Effects
One concern I had was whether the foil balls would amplify noise, given their reflective surface. However, I found that the crumpled texture of the balls actually helped diffuse sound, resulting in a quieter basement environment. This was a welcome surprise, as it made the basement more conducive to activities like reading or working.
In terms of privacy, the foil balls did not significantly affect visibility from outside. The reflective surface did create a slight glare, which obscured direct views into the basement from certain angles. This added a layer of privacy without compromising the amount of light entering through the windows.
