Noble Insulation takes pride in serving the residents of St. Helena, CA and the surrounding areas with foam insulation services. Our team of insulation professionals in St. Helena, CA can install foam insulation in both new constructions and existing homes.
Foam insulation is highly recommended by any insulation contractor in St. Helena, CA, and is definitely worth the cost because it helps to cut down on energy bills, adds to structural integrity, prevents moisture in a building, and creates a complete air seal. When installed in the attic, you will notice that your energy bills are decreasing significantly.
Spray foam insulation may also be sprayed in the crawl space to prevent cold drafts, pests and rodents from entering. Let’s take a look at the types of foam insulation, the cost of spray foam, and whether it is necessary to use a vapor barrier.

EXCELLENT Based on 23 reviews Posted on Google Valerie NdokamaTrustindex verifies that the original source of the review is Google. Noble Insulation’s website is clear and professional, showcasing their expertise in spray foam insulation for residential and commercial clients across the Bay Area.Posted on Google Octavia McGeeTrustindex verifies that the original source of the review is Google. Noble Insulation Inc did a great job with the spray foam insulation for my attic. Not to mention, the website was easy to navigate and the information was easy to understand as well. Definitely will recommend to anyone.Posted on Google Zachary SchafrathTrustindex verifies that the original source of the review is Google. Rami and his team are professionals. I trust them with all commercial and residential insulation projects. I worked with Noble on multiple occasions and highly recommend them especially for spray foam insulation.Posted on Google Yashua BarrettTrustindex verifies that the original source of the review is Google. Rami really knows his stuff and his crew is very professional. I am impressed by the teams response time and attention to detail when it comes to the install. I like the fact that he sources Knauf insulation, it’s a little more natural and really helps the air quality in the home!! I was also very impressed by the foamers quality of work and mindfulness when it came to safety. Great team and I highly recommend!!Posted on Google maurissa heffranTrustindex verifies that the original source of the review is Google. Best insulation company we have used...and we've used several on different job site's. Professional, knowledgeable, reasonable, clean and a real pleasure to do business with. He delivered on every promise. I asked advice on heat and soundproofing he went over and above to get it done at our building. We are very pleased and will use them again. Thanks guys for the great job!Posted on Google Mickey SouzaTrustindex verifies that the original source of the review is Google. As a HERS verifier, I come across a lot of insulators, and would avoid some with a 10 foot pole. Insulation is an art, and the crews at Nobel Insulation know their art. R-Values, proper coverage, heating of the spray foam chemicals, safety, materials... all of it. Not only that, they are honest and care about their work and what it does for the planet -- which is what works to make a building energy efficient.Posted on Google Roland De WolkTrustindex verifies that the original source of the review is Google. An exceptional experience. Not only the lowest of five bids from highly recommended energy audit professionals, but an unusual pleasure to deal with. Always responsive, flexible, forthright. They did an extensive job in two days, no change orders (the low big I received 6 months before is what they charged me when the outstanding work was done.) Rami, Hector & Co. were truly outstanding.Posted on Google Brett WeiselTrustindex verifies that the original source of the review is Google. Noble did a fantastic job for us. Did a quality job at a very reasonable price would highly recommend them.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
There are two types of spray foam. These are open-cell and closed-cell. Most insulation contractors in St. Helena, CA are well equipped with installing both types of spray insulation. Even though they are similar, they come with some distinctions that set them apart.
Both types of spray foam are good, and it does not mean that one is better than the other. If you are confused about which one to choose, speak to your insulation contractor in St. Helena, CA, to help you make the best choice. You may even choose a combination of both types. For instance, you can use closed-cell spray foam in your crawl space, but open-cell spray foam in the walls.


One of the most important questions that you may want to ask your insulation contractor in St. Helena, CA is how much your insulation project will cost.
There are different factors that you must take into consideration when it comes to the cost. Installation costs range from $1.5 to $4.5 for labor for both open and closed-cell spray foams.
Open-cell costs between $0.45 and $0.65 per board foot, whereas closed-cell costs between $1.5 and $4.9 per board foot.
Labor costs may differ based on individual insulation contractors in St. Helena, CA and it may include service for the entire project but keep in mind that additional costs include removal of the old insulation materials, preparation, and set up and the final cleanup after installing foam insulation.
Mold remediation (in case you have mold in your home or commercial building) is an additional $1000-$3500, this is because you will have to remove the mold before applying spray foam on it for insulation cannot be applied directly on the mold.
An insulation contractor in St. Helena, CA will also advise you that another factor that affects the cost is whether foam insulation is being installed in a new home or an existing old home. In a new home, the walls, crawlspace, attic, and other areas are very easily accessible but in an older home, the siding may need to be removed and some part of the drywall may need to be torn down. This may cost additional money. Finally, the thickness of the foam insulation also affects the cost. When more spray foam is required, it will naturally cost more.


Traditionally, when cellulose or fiberglass insulation was used, usually a moisture barrier was needed to prevent any moisture from entering the home. Vapor barriers were generally installed to cut down on costs by preventing moisture from entering. But it was later discovered that vapor barriers often cause more harm than good. It may cause damage to the walls in a home and can make the house “sweat”. As a result, moisture gets trapped on the walls and this may lead to issues like mold. Vapor barriers may not be required in all conditions, but they are advised by some insulation contractors in Saint Helena, CA.
Vapor barriers may be recommended especially in extremely cold or hot areas when a vapor barrier is needed to prevent any moisture from entering the home. But if spray foam insulation is being installed, a separate vapor barrier will not be necessary because the spray foam insulation acts as a vapor barrier by itself.
Only spray foam insulation creates a complete seal and serves the purpose of a vapor barrier, thermal, insulator, and air barrier all at once. But keep in mind that when open cell foam is installed, it may need a vapor barrier. Therefore, speak to your insulation contractor in St. Helena, CA, for more advice regarding whether you should install a vapor barrier with spray foam insulation, to keep up with local building codes.


We assure you that at Noble Insulation we use premium spray insulation products for all our insulation projects. Our team of insulation contractors in St. Helena, CA is well-equipped to complete all insulation projects efficiently and quickly. Contact us for a quick quote and assessment and we will get back to you as soon as possible.
