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How to install or replace insulation under your mobile home

It is not uncommon for people to skimp on insulation under their mobile homes, thinking that having it in their ceiling and wall is enough to make their living quarters energy efficient. But the truth is, ignoring the subfloor or crawl space leads to high energy bills since you need to crank up your furnace just to enjoy a comfortable temperature.

Since the underbelly of a mobile home is exposed to elements, it needs insulation material that reduces heat loss. While manufactured homes typically come with insulation, their insulation may need replacement after 15-20 years to ensure their energy efficiency.

When manufactured homes with non-insulated underbelly are delivered to their location, they come with fabric road barriers or fiberboards to protect their underbelly while in transit; these barriers are removed before insulating and then reinstalled once the project is completed.

If the fabric road barriers are damaged, you need to replace them to protect the newly installed insulation from critters, moisture, and other elements.

 

Here is a step-by-step guide on installing or replacing insulation under a mobile home.

Step 1. Before you begin your project, lay a moisture barrier on the ground beneath your mobile home. Choose high-quality polyethylene plastic sheeting to prevent water from infiltrating the insulation material. Additionally, adding this barrier makes it more comfortable to crawl than on dirt ground.

Step 2. Remove staples using a flat-head screwdriver, nails with a pry bar, and screws with a Philips screwdriver to take off the road barrier beneath the mobile home. Next, leave one side of the barrier attached to the rim joist of the belly board.

Step 3. If you’re living in a region that experiences a bitterly cold winter, it’s a sacrosanct rule to cover all the pipes in the underbelly with insulating materials to prevent them from freezing and bursting. Fortunately, this is an easy DIY project that uses foam pipe insulation, which you can easily find in your local hardware or home improvement store.

Step 4. Inspect the floor and joist, paying close attention to the seams and gaps where pipes and wires pass through the floor. Next, seal any cracks and crevices using caulk.

Step 5. If there’s old and damaged insulation, you need to remove it before filling the cavities between joists with a new paper-backed fiberglass batt insulation. Make sure that you face the paper side toward the ground. Next, attach the paper to the joists using a staple gun.

Step 6. When dealing with small and difficult-to-reach spaces, use polyurethane foam insulation. The idea is to eliminate all air pockets where heat can escape from the living quarters, and the cold draft can creep into your mobile home.

Step 7. Once you have insulated all the cavities, reattach the fabric road barriers with the fasteners that come with them. Make sure that the barrier is properly secured to prevent it from sagging.

 

Conclusion

Once you know how to install/replace insulation under a mobile home, the next step is to visit Sierra Portal Mobile Estates, a beautiful 155-space community in Merced, California that sits close to Highway 99. Aside from its convenient location and stunning rural landscape, the family-friendly community offers a wide range of amenities, including spa, pool, clubhouse, men and women’s sauna, grand kitchen, book and video library, dog park, dog waste station, and visitor’s parking.

Let us help you find the best mobile home community for you and your family; visit Storz Management Company¬†and let’s get started.

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Sierra Portal Mobile Estates | 2240 Golden Oak Lane | Merced, CA 95341
MANAGED BY: Storz Management Co.