Should you use spray foam insulation in your home?
You can save money if you insulate your home.The National Renewable Energy Laboratory has collaborated with the US Department of Energy to test various methods of energy efficiency for old and new manufactured homes.Adding insulation to the walls reduced heat loss.Adding insulation under the sub-floor but above the belly wrap was coming in a close second.The heat loss was reduced.Storm windows reduced heat-loss.
There is confusion surrounding the mobile home under the home.There are many names used to describe the same thing.A mobile home belly board is a piece of furniture used in a home.It needs to be well-insulated.
The best materials and method to insulate under a mobile home is covered in this article.One couple used foam board to repair and insulate their mobile home.
If you want to insulate under a mobile home, blowing insulation into the belly and the ceiling is the best method.
This method requires specialized equipment and knowledge of a mobile home's construction.Blowing insulation can be expensive.State and local government programs can help mobile home owners add insulation through energy grants and low-interest loans.
If your mobile home was built before 1976, you may be eligible for a program or financing help to insulate it.
It costs more to hire out blown insulation for a mobile home than it does to do it yourself.Using foam, fiberglass, or Rockwool panels gives the homeowner the chance to do it themselves, which is usually a cheaper option.
It's best to use spray foam in the walls or ceiling of a mobile home.It costs a lot because you have to have special equipment.
A variety of materials can be used to make spray insulation.The most common are foam and fiberglass.You can learn more about spray foam here.
Since foam board can act as both an insulation and a vapor barrier for your mobile home, it's ideal to install under your flooring.
The biggest disadvantage of foam board insulation is fire.When foam catches it emits a dense smoke and toxic gases.The foam is sprayed with fire retardant.You should research your local codes.
Polystyrene, polyisocyanurate, and polyurethane are the three most common types of foam board.All of the products are made from oil.
For retrofits or new construction, rigid foam can be used.The higher the R-value per inch, the better the foam.A green building advisor.
Coffee cups and shipping peanuts are made from the same closed cell foam beads.Large sheets of it can be used in roofing, flooring, siding, and other construction needs.
Depending on the density, a single sheet of foam can range from 3.6 to 4.2 per inch.
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Extruded polystyrene is very similar to expanded polystyrene, but it uses pellets instead of beads, making it denser.It has better water resistance.Depending on the manufacturer, this product comes in blue, pink, and green.
You will pay more but you will get better energy efficiency.The R-value is around 5 per inch.
If the added cost isn't an issue, Extruded Polystyrene is an ideal choice for insulation under a mobile home.
They are the most expensive of the three types of rigid foam.
The foil-faced polyisocyanurate is more resistant to fire.For this reason, some building inspectors allow foil-faced polyisocyanurate to be left exposed on crawlspace walls or in attics without requiring a layer of drywall as a thermal barrier.There is a source.
The foil that covers the sides is an advantage.Most of the time, the foil is used in roofing and foundations.
The first year in a new home is always a learning experience.That was true for Bryan Adams when he and his wife moved into a single wide mobile home.
The couple's new vintage mobile home served their aunt well until she passed away last year.The mobile home did not make it to the cover of Home and Garden, but auntie updated it over the years.She used a three-inch paintbrush to paint the walls in bright yellow and aqua.
During their first winter in the home, they learned how much their utilities cost and where all the cold spots were.Their 1972 mobile home had a few cold spots and their heating costs were too high for a small home.They started researching how to best insulate their home.
They decided to use foam board to solve their problem.The details of their project were shared with us, complete with hand-drawn images.How cool is that?
Since older mobile homes are notoriously under insulated, they experienced wild temperature fluctuations during their first winter.
When Spring arrived, the couple set out to find a way to increase the home's energy efficiency, especially in the 'death zone'.The death zone was 2 to 3 feet above the floor and it was very cold.
The Adam's were able to buy their insulation foam board directly from the manufacturers.They were almost half off the retail price.It makes sense to cut out the middleman whenever possible.
The wood floor joists are placed 16′′ apart from each other in the mobile home.The section between each joist was 14 inches wide.
Bryan used a table saw to cut the Styrofoam insulation board so that it was easy to push the foam between the joists and stay put.
Bryan concluded that the best way to create an 8′′ total thickness of foam was to layer 4 boards together.
Each stack was made of foam boards.The fourth foam board was attached to the bottom of the wood joists.A total of 8′′ of insulation is created under the entire mobile home by holding the 3 boards above it.
Bryan secured the full-size sheet to the bottom of the home with screws and a fender washer.He used the lip of the steel beams to act as a shelf for the foam board in the home.The method worked well because the wood joists are a bit shorter than the steel beams.
She drew a schematic of the screw placement.She said that if Bryan hadn't been able to screw into the wood, he could have used other options to secure the foam.A thin wooden lathe could have been used to hold the foam in place.
The results of the couple's project have been great.The dead zone is gone and the forced air heat is reaching the end rooms better because of the foam under the home.
The most common material for insulation is fiberglass.It is made of very fine strands of glass formed in rolls and loose fill batts that are installed between beams.
It is water resistant, non-flammable, and affordable because it is made of glass.It is dangerous to handle.You will definitely want to use protection when working with fiberglass.
This video shows you how to remove and install insulation under your mobile home.
One expert recommended Roxul Rockwool.The Rockwool website has some benefits.
Rockwool is a rigid mineral wool insulation board that is non-combustible, water-repellent, fire-resistant and sound absorbent.
After getting 3 cuts, some experts may frown on the 4.5′′ left over from each board.It seems silly to not like a project as the foam can be used on a lot of other things.You can get 2 or 3 different areas of your home insulated using the waste.
You have the wrong way in the construction world.Everyone has an opinion and everyone else is wrong.I guarantee you will get different answers if you ask 3 different constructions the same question.
All manufactured and mobile homes should have a ground moisture barrier.A barrier is a plastic sheet placed on the ground under the home to act as a shield between the earth and home.It should extend past the skirting.
The ground barrier and a vapor barrier can be used to protect your mobile home.It can help you locate leaks and water issues by making the water sit on top of the plastic instead of soaking into the ground.
In the construction world, inspections are a necessary evil, no matter what kind of project you are doing.Building codes that must be met for all update and remodeling projects can be found in every location.The codes that you will need to meet will be affected by the location of your home.It's a good idea to research your local codes for homes in Canada and Florida.
It isn't the most exciting remodeling project, but it can make a huge difference in your energy bills and your comfort.
Most mobile homeowners don't know how important the belly of their home is.
If your home is losing heat or seems harder to keep warm, you may want to consider installing insulation under your flooring.
It's proven thatnsulating your mobile home with foam is effective.The foam is inexpensive and easy to use.
The death zone is long gone and the home stayed warm despite the fact that the walls were not insulated.
A huge thank you to Bryan andLaurel Adams for teaching us how to insulate and repair a mobile home.Thank you toLaurel for the awesome drawings.