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Foam Roofs and Hailstorms

I love foam roofs! It was the second thing that I did when I moved into the casa. Two reasons is insulation and sound proofing. Having a flat roof limits the amount of insulation that you can install between the joists. Closed cell foam has an R value of 6.25 per inch and the typical roof is 2” thick. This translates into reduced energy costs for heating and cooling. Living underneath one of the airport landing patterns for Sky Harbor makes its sound deadening qualities a winner.   However….


Hail takes a toll. Were it just surface problems, usually re-coating would solve things. With the hail storm we had my roof looks more like the surface of the moon and will need to be replaced. Because of the depth of the impacts and the subsequent rain, it is not repairable.

The shingle roofs got hammered as well.

The plastic gutters I put up got smashed. They were more of an experiment in plastic laughing at the Arizona sun. The sun won and the hailstorm drove in the final strokes. Note to self: No plastic rain gutters down here.

If that wasn’t quite enough, my A/C unit got clocked.

The fins should be a dark grey showing you the edges, rather than smashed flat. My A/C guy will have to figure out if this can be fixed.

I waited to call the adjuster as my damage though bad was minor compared some folks, friends and clients. Trashed roofs, broken windows, soaked furniture, glass embedded carpets. Not to mention the cars that look like moonscapes with the dents from the hail.

This will be an interesting time as this is repaired. Photos and commentary to come.

2 comments to Foam Roofs and Hailstorms

  • Thats true. Foam roofs can’t provide protection in hail storms. I think they should be replaced with steel or concrete roofs. They are more robust.

  • Hi There Lemurzone,
    Neat Post, I have been looking at various websites for companies that install sprayfoam insulation to roofs as an alternative to roof replacement. Does anyone have any experience of such installations (looking for pros and cons)
    I look forward to your next post