Your attic insulation is a grid asset
https://chrt.fm/track/G78F99/cdn.simplecast.com/audio/c58de853-46d2-46e4-85d2-3a6f3cc86b9f/episodes/c0707d89-4012-4ea6-aed4-e0bea42a4187/audio/490e0eab-276f-445b-8bb3-b7c26985d939/default_tc.mp3?aid=rss_feed&feed=_NR1_RZa
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