Mobile home wall opened for insulation (C) Daniel Friedman Mobile Home Insulation Guide
Mobile home, trailer, doublewide insulation types, R-values, installation, improvements, troubleshooting

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Mobile home & trailer insulation guide to selection, installation, inspection, troubleshooting, & improvement:

this article series discusses how to inspect, diagnose and correct problems in mobile home, doublewide, or trailer & camper insulation or ventilation systems.

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Mobile Home & Trailer Home Insulation & Ventilation Defects, Diagnosis, Repair, Improvement

Photograph of chopped fiberglass insulation

At above left we see insulation in the floor of a conventional gable roof built over a mobile home to add insulation. This job is a mess with damaged, wet insulation and scraps from roofing reapir work.

[Click to enlarge any image]

To understand the condition of mobile home insulation and thus to decide what steps are worth taking to reduce home heating or cooling costs for mobile homes, doublewides, and trailers, we need to inspect the structure focusing on leaks, water damage, and especially air leaks around windows and doors.

If we don't fix those problems first, efforts to add insulation in the ceiling, walls, or floor may be wasted.

Our page top photo, courtesy of Jeremias, one of our mobile home inspection and repair advice readers, shows a mobile home whose walls have been completely opened to permit:

Energy improvement choices for manufactured homes (mobile homes, doublewides, trailers)

Mobile home with bad roof (C) Daniel Friedman

The first citation below offers these suggestions for improving the energy efficiency of mobile homes. For older mobile homes (built before 1976) the following list sets priorities for reducing heating & cooling costs for these older structures.

We have added comments, interpretation and suggestions to bring a dose of (in our opinion) reality to the government's advice and I've re-ordered the suggestions into a priority based on most return for least cost and effort. According to US HUD (

Experiments conducted on pre-1976 manufactured homes by the National Renewable Energy Laboratory (NREL) from 1988 to 1991 found that these retrofit measures resulted in a 31% reduction in heating fuel usage. [1]

References for manufactured home (mobile home) insulation & energy conservation

Ver.3.5 - 04/25/07, updated through 2014 - Steve Vermilye, New Paltz NY and Daniel Friedman, Poughkeepsie NY, Hudson Valley ASHI Chapter Seminar, Newburgh NY, January 4, 2000, NY Metro ASHI Fall 99 Seminar, Holiday Inn Crowne Plaza, White Plains NY, October 2, 1999.


Continue reading at INSULATION AIR & HEAT LEAKS or select a topic from the More Reading links or topic ARTICLE INDEX shown below.


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MOBILE HOME INSULATION at - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

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