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The Cost To Replace The Roof Over A Mobile Home

Replacing the roof over a mobile home will cost between $1,000 and $8,000 depending upon your choice of roofing material and insulation and whether or not you are changing from a flat roof to a pitch roof. The price will also depend upon whether the roof is single wide or double wide. Here are some figures to give you guidance – these relate just to the cost of the materials and do not include labor.

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Table of costs for a mobile home roof

Replacing the roof on a mobile home has lots of cost advantages compared to renewing the roof on a regular house firstly because it is generally smaller, and you can just put the new roof over the old one, there are no removal costs or dump fees – this is called a ‘roof over’. There are also significant financial benefits for the mobile homeowner once the work is complete.

  Single Wide Roof Double Wide Roof
Rubber roofing material $1,175 - $2,295 $1,595 - $3,610
Metal roof $1,000 - $2,000 $1,800 - $3,000
Insulated metal roof $3,000 - $4,000 $7,000 - $8,000
Composition shingle roofing $650 - $2,175 $1,290 - $4,250
Liquid roofing $600 - $900 $1,400 - $1,800

Some roofing materials are not suitable for a roof over and in these situations, the old roof must be completely torn down.
Mobile home roofs are subject to all the different weather elements as a regular house – wind, rain, sun and snow and these all take their toll; flat or low-pitch style roofs are even more vulnerable as they are more likely to collect moisture and often lack the robustness of structure that you would find on a conventional property.

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Replacing a mobile home roof

How is a roof over created on a mobile home?

Rubber mobile home roofs are constructed by stretching a thick blanket-like membrane over the existing roof.

What are the key influencers on cost for a roof over a mobile home?
There are several factors which can influence the cost of a roof over a mobile home and these include:-

  • The size of the roof
  • Choice of materials and the manufacturer
  • Whether insulation is added
  • Shipping distance
  • Pitch of the roof
  • The number of vents

What is the best choice of roofing material for a roof over on a mobile home?

Metal roofs are designed to last a lifetime and can be easily installed over an existing roof with or without insulation and they usually come with a lifetime warranty. Aluminium is the most popular choice of metal and many companies supply a whole roof over kit for DIY use or ready for a professional contractor complete with insulation material. Most metal roofs come with a warranty of between 40-60 years and there is virtually no maintenance once it is installed.

Composition shingle roofing is commonly used on a pitched mobile home roof which repels water better than a flat design. The new roof may either be placed directly over the old roof to save costs, or the old roof can be removed in its entirety. Asphalt shingles sometimes get a bit of a bad press for mobile home roof overs as they overlap in design, so they are not always the most watertight. They are also pretty heavy so one roof over layer is possible on a mobile home, a third layer is not an option. Regular maintenance is essential with asphalt shingles and any product warranty from the manufacturer will be closely tied to this.

Liquid roofing is rolled onto the mobile home’s clean and prepared rooftop with a paint roller and is a very economical cost choice, however the lifespan is shorter compared to other alternatives at around ten years. The liquid rubber has to be installed on a mild day and will need several hours to dry. There are other liquid roofing products available for spot leaks. Rubber roofs cannot be installed over the top of another roof so the old rubber surface and underlayment must be removed first.

PVC is an alternative to rubber and is more expensive. It usually relies on being white so it is heat reflective but there are black and gray options as well. These membranes are tough and resistant to mold growth, dirt accumulation and rips, tears and punctures. They are also flexible to fit in with the contours of the mobile home. Installation is easy and these roofs are highly energy efficient.

What will a professional roofing contractor include in the cost for a mobile home roof?

A professional roofer should include the cost of materials, his labor and the site clean up after the work is finished.

Can you install your own roof over on a mobile home?

Unlike renewing the roof on a regular house, doing a roof over on a mobile home is a perfectly feasible project for an experienced handyman or DIY enthusiast. Don’t forget to factor in the cost of bespoke tools when you are pricing up the materials.

What is the process to install a roof over a mobile home?

Calculating the amount of materials required is the first key stage in installing a roof over a mobile home. The frame has to be installed and then the new roof laid over it. Don’t forget the overhang to protect the windows and walls from weathering. A roof over with a frame may take three to four days to complete and must be done in dry and sunny weather. It is essential that the old roof is checked for repairs and made good before the work begins.

What are the additional costs to install a roof over a mobile home?

It’s always the way that additional costs will find their path into the final bill and here are some common examples of extras:-

Polystyrene insulation can be used under a rubber membrane and this will add between $500 - $700 to the bill for a single wide mobile home and $1,400 - $1,800 for a double wide unit

If you are doing the work yourself then you may need to invest in some specialist tools unless you can borrow them for a buddy or work colleagues. A rubber roofing hammer will set you back between $20 and $30 and for metal roofs, you will need an electric screwdriver which many DIYers have and also a metal cutter which is more costly at between $90 and $200. A hammer and shingle cutter - $120 - $180 – are needed for composition roofing installations whilst liquid rubber roofers will need paint rollers and covers, paint trays and an extension pole which can all add up

What are the advantages of a roof over on a mobile home compared to completely replacing the roof?

A roof over can be undertaken as a DIY project whereas a full roof replacement will usually require the services of a professional roofer. A roof over is also more affordable and is definitely cheaper than a full replacement, mainly because the latter requires more substantial works which increases the labor costs and you have to tear down and dispose of the original roof too – it all takes much longer and using a professional roofer is probably unavoidable.

What are the disadvantages of a roof over on a mobile home compared to a complete roof replacement?
Whilst cost savings make a roof over the most attractive option, there can be some drawbacks:-

  • Any underlying leaks or damage which are not dealt with prior to installation will become impossible to manage or repair once the roof over is complete
  • The extra roof layer will add extra weight to the structure of your home
  • It is not common practice to roof over asphalt shingles on a mobile home so if you have this as your current roofing material then you may have to look at a straight re-roof

What are the advantages of changing the roof on a mobile home?

For a relatively modest outlay, you get to change the complete look of the mobile home especially if you are turning a flat roof into a pitched roof. Other advantages include:-

Stopping leaks or water damage

Improving energy efficiency in winter and summer which can impact on living enjoyment when it is either very hot or very cold. The roof on a mobile home is the primary point of energy loss due to lack of insulation and this bumps up energy costs in the winter particularly if you live in the colder northern states. A roof over adds an extra layer of insulation to reduce heat loss and will lower your heating bills. Most roof over materials are designed to reflect sunlight so this will keep the temperature down if your home is in a hotter climate

To provide extra stability and strength to your roof and add an extra layer of protection.

Reducing noise by choosing a different roofing material which can cut out external and environmental sound and is also kinder to the occupants during harsh weather events. Compare different roof materials and learn more about roof leak repair costs.

What steps should be taken before a roof over project is started?

If you intend to cover the existing roof then first check it for damage and make good any repairs before you start otherwise you will not be able to access them later on and may end up being forced to do a full roof replacement which is the worst of all worlds and twice the cost.

Is the roof on a mobile home vulnerable?

The roof on a mobile home is very vulnerable to all the same weather elements that affect a regular constructed fixed building without any of the advantages of strength and durability that a standard house roof can have. Oftentimes, they don’t have the strongest frame or the heaviest of roof materials and if the mobile home has an old-style flat roof then this will be prone to pooling and ponding water. A pitched roof is less vulnerable but needs a decent slope.

How to find the right roofer for your mobile home?

Ask around with friends, family or work colleagues or approach other mobile homeowners on the site and find out who did their roofing work particularly if it was recent. You can also find a roofer through the National Roofing Contractors Association.

Frequently Asked Questions

Can you walk on the roof to inspect it?

Most roofing manufacturers confidently say that you can walk on the roof, but you should always double check first that it can bear your weight – it just makes sense. Inspect the roof and its trusses first and then put your weight just on the edge of the roof to begin with.
How much weight can a mobile home roof support?

On average, the rate of load is 30 psf or pounds per square foot.

How long does it take to do a roof over a mobile home?

It usually takes on average just one day to renew a roof on a mobile home but a new pitch roof over a flat roof may take two or three days factoring in the frame installation.

Are there advantages to changing a flat roof on my mobile home to a pitched roof?

Yes, definitely. Pitched roofs drain better and generally require less maintenance as they are not prone to the classic flat roof problems of ponding or pooling water. A pitched option is the perfect roof over choice for a mobile home and it also improves aesthetics as it breaks up the square look of a mobile and upgrades it into something that looks site built – it will increase its curb appeal when it is time to sell.

Is a roof over a good investment?

Almost any roof over will soon pay for itself in terms of reduced energy costs and an increased value in the mobile home. Adding guttering and gutter spouts will help rainwater away even more and decrease your maintenance costs over the longer term.

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