Frequently Asked Questions
You’re asking all the right questions. These important FAQs will help you make an informed decision regarding spray polyurethane foam application for your home.
No — We spray 1 ½ inch of closed cell foam, which is watertight and won’t leak.
SPF is safe! SPF contains no harmful emissions like VOC’s, CFC’s, HFC’s, or formaldehyde. Which makes it perfect for homes that are environmentally friendly.
On a normal, no tear off, residential home, we usually complete a roof in 3-4 days. Give or take a day for scheduling. This includes removing gravel and that it is weather permitting, no rain, fog, or wind.
Typically, it takes 24 hours but can vary on temperature and moisture. The foam can be walked on immediately after being sprayed.
The best time of year to spray foam is when it is sunny and dry and there is NO moisture in the air. The temperature generally has to be above 40 degrees Fahrenheit. In Northern California, this means between spring and fall is the best time to spray foam.
It is a durable and lightweight roofing material. It is sprayed in place as a liquid, which expands to fill cracks and crevices, and then forms a hard durable monolithic roof surface that won’t leak and is lightweight.
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SPF roof systems have proven to insulate and perform for over 30 years and are still the “green” roof of the future.