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| Hold-downs for solar panels from the future |
While Hector the Framer and his crew were busy for a second day of constructing the door pans and frames for the big sliding doors at the back of the house, the guys from Dura-Foam spent the day doing their thing up on the roof.
I can't afford a solar panel system right now (plus, it would cost in the region of $11,000 after rebates, and I only expect to spend about $75.00 or less per month on gas and electric, so we're looking at a twelve or thirteen year return on investment) but I'd still like to be a good green citizen and go solar at some point, so I had the Dura-Foam guys install the hold-downs for some future photovoltaic panels before they sprayed the roof.
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| The Blue Man Group |
Once they were finished with the hold-downs, they donned their blue man group outfits and freaky-looking masks and sprayed foam around all of the roof penetrations.
After that was done they let loose, and within a couple of hours an inch and a half of polyurethane foam covered the entire roof.
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| Wasn't guy on the right in The Empire Strikes Back? |
I like the look of this. The foam provides a completely seamless roof, and has an R9 insulation value, so when we add batts in between the I-joists we should be able to easily meet and even surpass the required R30 for the roof.
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| A roof full of foam penises? |
In fact the insulation properties of the foam roof are better than advertised: the light color is reflective so the roof will never get too hot, and because it's seamless there's no way for cold air to penetrate the building.
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| The finished roof in all its foamy glory |
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The sliders are taking longer than expected to install but they should all go in tomorrow, when many exciting pictures of The (post-Jim Morrison) Doors will undoubtedly adorn my blog post.
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