WHAT is this? ... and WHY you may want it on your roof!

I used 2" polyiso roof insulation from Atlas. It was $22/sheet at a local roofing supply store. Much cheaper than a big box store. I used 3" exterior rated screws with a galvanized washer from the same store.

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✅In this video I'm wearing Truewerk - a great performance workwear brand I swear by. Check it out at http://truewerk.com and use my discount code, HM15, for 15% off your first purchase.

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🎵 Music I Use In My Videos from Epidemic Sound
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