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Poway Custom Home & ADU | Insulation

Click here to view the full blog post by Freemans Construction Inc. about Poway Custom Home and ADU Insulation.

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  1. I have this kind of spray insulation in my home in Fallbrook. I had it sprayed in at construction on the floor of the attic. I love the full insulation for the comfort of my house – I am not loosing or gaining my cool air in the summer and I am not having an issue staying warm in the winter. I had the spray insulation put into the walls of the interior for sound muffling also. My exterior walls are straw bales and are 2 feet thick of natural insulation.

    After 12+ years in the house there is need for maintenance and some upgrades. My contractor now is hating the spray insulation as it has encased the electrical wiring he is needing to access. He has said it will be awful if my plumbing leaks as it runs in the attic and is encased, too.

    A better way would have been to foam the underside of the roof and then fill the floor of the attic with the insulating beads that can be simply pushed out of the area needing to be worked upon and then spread out again when finished.

    Any future construction projects I do I will apply this “hindsight” information.

    1. Yes, you are right. Applying the spray foam insulation to the underside of the roof sheathing keeps the spray foam from encapsulating the electrical, plumbing, and HVAC components and allows the entire attic space to stay cooler. It also allows you to eliminate the attic ventilation requirement which is good for keeping embers from wildfires from going into the attic.

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