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How To Cool Seal A Mobile Home Roof

Sealing And Coating Is The Best Way To Fix Roof Rumble

Mobile Home Trailer (Roof Coating) Kool seal

The best way to handle roof rumble is to stop the wind from getting under that metal. One way to do that is to seal the seams and edges and then coat the entire roof with an elastomeric roof coating. The white acrylic liquid is a popular solution. Pay particular attention to the edge of the roof.

It is recommended that you coat your mobile homes flat roof every other year anyway.

Estimated Prices By Brand

Common brands found in the U.S. at hardware and home improvement retail stores present a cheap solution for the competent DIYer. Your contractor is likely purchasing straight from a manufacturer from the Roof Coatings Manufacturers Associated. Here are a few of the common retail brands.

  • Gaco: $0.70-$1 per square foot. They make a wide range of 100% silicone, acrylic, polyurethane, epoxy, and spray foam products for waterproofing and insulation your home.
  • Henry: $0.15-$0.40 per square foot. Makes acrylic and asphalt emulsion coatings and sealants. Manufacture full roofing systems, adhesives and spray foam insulation.
  • Black Jack: $0.25-$0.40 per square foot. Makes elastomeric siliconized coatings at a bargain price for a quick DIY job. Make asphalt sealant for sealing cracks, valleys, flashing and chimneys for about $15 per gallon.
  • Liquid Rubber: $1.50-$1.75 per square foot. Makes 100% liquid EPDM products for thick applications. Make caulks and fabrics used in EPDM applications.
  • Lanco: $0.50 per square foot. Makes a fully siliconized acrylic based roof coating for waterproofing and heat reduction. It has one of the longer acrylic warranties available at 15 years.
  • Ames: $0.65-$0.75 per square foot. Makes commercial grade acrylic and liquid rubber products for waterproofing roofing and decking.

Contact a professional roofer for a quote on these less common brands.

Hire a pro to polish and seal your roof

Summary For Tips To Maintain A Flat Roof On A Mobile Home

Although mobile home roof care and maintenance can be scary and admittedly financially overwhelming, regular awareness and attention can prove invaluable.

You will never regret the time and investment you spend on maintaining a home, especially an older mobile home. Read more helpful advice and 50 tips about mobile homes here.

Do you have a product you recommend or any tips about how to maintain a flat roof on a mobile home? Wed love to hear it in the comments below. You can also join our . Its a great group of supportive homeowners that help each other and share projects.

Thanks for reading Mobile Home Living.

This article was originally published on Nov 10, 2011, and updated on May 8, 2019.

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Coating An Entire Travel Trailer Roof With Kool Seal

Observe all the instructions on the packaging regarding preparation, application, cleanup and curing times. Kool Seal coatings are usually better painted on in several thin coats than one thick coat apply each coating parallel to the previous one, meaning that if the first coat is rolled from front to back, the second should be rolled from side to side. Do not thin the product, and use a soft brush or roller. Apply the coating evenly.


Aluminized Asphalt Roof Coating

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One of the most cost-effective coatings to make your roof last is a mobile home aluminum roof coating. Aluminized asphalt roof coating is asphalt-based and contains glass fibers and aluminum particles. The most common type of roof coating, sticking to almost every surface and installing over asphalt and metal roofs. Because it has a tacky surface, it attracts dust, which reduces its reflectivity somewhat. However, asphalt roof coatings will secure your home within 24 hours after application and reduce the roofs temperature up to 60 degrees, typically falling under the cool roof category.

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Insurance May Require Regular Sealing

Coating and sealing your flat roof may be required to maintain your home insurance policy. Some policies require that your mobile homes flat roof be sealed every 2 years or so. Read your policy and make sure you follow the clauses.

If you have to file a claim for anything involving the roof and they find that you havent had it sealed within the stated time frame, they will not approve the claim. Some agents wont volunteer the information so be sure you understand the policy completely.

Before And After: Single Wides With Bowstring Metal Roof Gets New Metal

This next single wide mobile home with a bowstring roof has a skylight. Those always complicate things.

Installers are laying foam insulation boards over the old single wide mobile home roof.

The main benefit of installing a metal roof on your mobile home is the insulation that goes beneath it. A thick layer of foam insulation helps deaden sounds on your roof, greatly reducing the noise thats common to a mobile home. At the same time, the insulation also helps improve your energy bills, lowering heating bills in the winter and cooling bills in the summer.

Geneva, at My Hearts Song Blog, had a roof over with the popular PermaRoof System:

Metal roof overs can be installed over most mobile home roofs . Keep in mind, however, that the insulating layer of a metal roof does increase the thickness of the roof by several inches, which in turn, will increase the height of your mobile home.

Always check your local code requirements and association guidelines if your home is in a park or other area where things like height or uniformity of the properties may be in question.

Metal roofs may also be more costly than other options, however, they do tend to last the longest and require the least amount of maintenance in the long run.

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Why Mobile Home Roofs Are Unique

There are several differences with mobile home roofs that require homeowners to take extra precautions and maintenance. Therefore mobile homes need certain types of roof coating to deal with these issues. While some products might be the same as or similar to traditional roofs, there are some key differences between mobile home roofs and traditional homes.

Mobile homes tend to have a lower-pitched roof if any at all. Flatter roofs are not as good in extreme weather conditions or even heavy rainfalls. When a roof is flat, there is no way for rain to run off, creating water pooling or leaking issues.

Mobile home roofs are also constructed from different materials than traditional homes. For example, many homes tend to have single fiberglass constructions rather than a system of joists with layers.

Due to the structure and materials used on mobile home roofs, there are issues, such as increased leaks as they age. Therefore, replacing a mobile home roof can be costly. However, while roof repair or replacement can be complicated, it isnt that difficult to replace or apply some mobile home rubber roof coating.

What Is Mobile Home Roof Coating

Mobile Home Kool seal coating

There are a number of different issues associated with mobile home roofs. That means they need their own type of roof coating to deal with them. While some of these coating materials might be the same as or similar to those on traditional roofs, there are a number of key differences between mobile home roofs and standard homes.

Firstly, mobile home roofs tend to have a lower pitch, if any at all. These flatter roofs are therefore not as good in extreme weather conditions, or even heavy rain. This is a problem associated with flat industrial roofs as well.

When a roof is flat, there isnt anywhere for the water to run off and this can create water pooling issues and lead to dampness or leaks. Thats why most standard homes have pitched roofs.

Mobile homes tend not to be made of the same material as well. You dont tend to get slate or shingle roofs on mobile homes. Many of them tend to be single fiber-glass constructions rather than a system of joists with layers of different roofing materials or constructions on top.

Because of these issues, mobile homes can be much more likely to leak as they age. Replacing a mobile home roof can be difficult, especially on some types of constructions. One of the main causes of a leaking older mobile home roof is degraded roof coating, along with other things like low-quality ceiling material.

If there are puddles of water, remove these as often as possible. Consider extra paneling or guttering to help water run off the sides.

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So What Are We Waiting For Lets Get Started

Well, not so fast

First of all, any kind of roof coating requires your mobile homes roof to be in tip top condition. For a full list of potential and common mobile home roof problems to check before you apply the coat look here. You will need to fix all these problems before applying a new coat. Before you sigh and call it a day, remember that these are problems you should fix anyway.

Secondly, make sure you have enough roof coating for your home. Generally, a 4.7-gallon bucket covers one coat of 250-350 sq ft. Remember that suppliers recommend two coats to get the best out of your coating. A 4.7/5 gallon bucket is usually priced around $90 $140, depending on the quality .

Thirdly, make sure you have all the other necessary materials and equipment. Reference the list of problems above as a guide. This is also a handy step-by-step guide that counts for any type of roof coating. It also covers what equipment you need.

In conclusion, a cool roof coating is an effective way to clean your mobile home in summer, the amount effort and time needed its definitely worth it. Especially if you consider the added benefits it gives you. One last thing to keep in mind is that the coating will need to be redone every 2 to 10 years, depending on strain and the quality product. With some planning, however, you should be able to include this in your usual roof maintenance.

In case youre interested, here is a great guide on roof maintenance from our own blog:

Leave The Tires For Under The Home

There have been many solutions and recommendations for quieting roof rumble on a mobile home. If youve ever seen tires sitting on top of a mobile home youve seen one remedy. The tires supposedly keep the wind from tunneling under the metal and also dampen the sound. This is your old school problem-solving and it can fix roof rumble but it can create much larger problems in the process. Tires are heavy and water gets in them which makes them even heavier. Standing water can also sneak under the metal and get into your ceiling and walls.

Also Check: How Much Does It Cost To Replace My Roof

Types Of Kool Seal Products

Kool Seal products are manufactured for different types of roofing material. It is imperative that the Kool Seal product you purchase is correct for your type of travel trailer roof. The elastomeric coatings are intended for metal, foam and aged aluminum substrates the aluminum coatings are intended for metal, modified bitumen and rolled roofing material. In a pinch products manufactured for rubber roofs can be used on caps and elastomerics, but elastomeric repair compounds will not bond to rubber roofs.

Stage Two Coating Of The Roof Surface

Aluminum Roof Coating Mobile Home

The final stage of the final step. Coating your mobile home roof is an important task and you need to handle it with care. In order to make this clear, we shall break the whole process down in a few important points.

  • Check the label on the package and make sure that you see how many gallons of coating covers a certain surface. Measure the surface of your roof in order to decide how much coating material you will need to use.
  • If necessary, stir or otherwise prepare the coating for use. The label on the package should have the preparation instructions.
  • Use a recommended tool, such as a roof brush or spray gun, and start applying the first layer of coating. Its important that you equally coat every part of your roof and pay attention to the amount of coating that youre applying. You dont want to apply a layer thats too thick or too thin. Both will do you no good.
  • In case that you need to wait for the layer to dry off and then apply a new layer, do so in recommended time. Always remember that each brand has its own preparation and application process.
  • Wait for your coating to dry off.

If the coating material allows it, you can apply paint and make your roof look even better.

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Flat Roof Coatings And Sealings

Many issues can be prevented and the life of your roof extended by having the roof sealed regularly. How often this needs to be done will depend on the condition and location of your home. A good-quality coating can save money on your cooling costs and prolong the life of your home so spend the extra money to get a high-quality product.

The main trick to any successful coating, sealant, or patch is proper preparation. Its very important that you follow your products guidelines and instructions.

A coating is not meant to repair a leak. Yes, adding coating may work to stop a leak, for a short time. However, you are left with a bigger mess after the leak restarts because you wont be able to pinpoint the location of the leak to properly patch it.

I repeat, a coating is not meant to repair a leak but a sealant is. Dont confuse the two. If you have a leak you ust seal or patch it before you coat it. Coatings are used to extend the life of the roof and protect it.

To Repair Small Fishmouths


If loose edges extend back only a couple of inches, the loose material may be snipped off and discarded.


Seal with Kool Seal Storm Patch Acrylic Patching Cementand reinforce with Kool Seal Storm Patch Polyester FabricThen top coat the entire roof surface with a Kool Seal Acrylic Elastomeric Roof Coating System or Aluminum Roof Coating Systemfor the best performance

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Can You Put Kool Seal On A Rubber Rv Roof

Two coats recommended. Must be top coated with Kool Seal RV Elastomeric Finish Coats. Designed for EPDM rubber roofs. Can also be used on metal, EPDM and other single ply membranes, modified bitumen, polyurethane foam, concrete, and previously coated surfaces.Do NOT use over asphalt shingles or silicone coatings.

What Mobile Home Roof Coating Options Are There

Let me Show you how I KoolSeal a mobile home trailer roof

One of the cheaper coating materials that could make your mobile home roof last longer is aluminum coating. Aluminum coating is made of a mix of asphalt and petroleum along with aluminum fibers.

Its a great in hot climates as its a good reflective surface and will help keep your mobile home cool.

  • Aluminum coating is durable and cost-effective and will secure your home around 24 hours after application.
  • Other types of coatings include silicone. This is a good adhesive and can be used to fill gaps or dents in your roof quite well. It can stop leaks and is easy to apply.
  • Acrylic roof coatings are also an option. These are good in hot areas and provide extra protection. They can also help your roof expand and contract as the weather changes.

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How To Install Mobile Home Roof Coating Yourself

Dont consider applying roof coating yourself if you think its going to rain soon. Check the forecasts. Minimal wind is good too. Remember, itll also need a few hours of drying time after as well.

Start by inspecting the roof and removing any dirt or blockages. It should be completely clean. You can use a broom and make sure all the seals are completely clean. You can then remove your old coating with sandpaper.

While some coatings can be used on top of original layers of coating, not all of them can. Check the instructions with your specific coatings or ask an expert.

You might need to do some minor repairs to your roof like fixing screws. Make sure the roof is still watertight and secure before applying the new layer or coating. If you have mildew and other similar growth, you can use diluted bleach to remove it carefully.

After this, you need to apply the metal primer with a brush over the entire surface of the roof. You will need to follow the specific instructions that come with both the primer and coating and allow the primer to dry.

After the primer has dried, you can start applying the coating you chose. Make sure the roof is completely clean when doing so. You may need to prepare the coating or stir it beforehand. Start with the roof seams and flashing before coating the main part of your roof.

Patching A Flat Metal Roof

Patching a metal roof on a mobile home is pretty common.

If you have a leak you will want to patch it immediately. The trick for patches is to build it up so that there are depressions. You want the patch itself to be designed so that water can easily run off on all sides.

If you need to repair a small patch or hole on your roof you may have to make it bigger to fix it right. Yes, bigger. A proper patch needs to be even with the roof and that may require cutting the area out a bit so you can stuff insulation or add plywood to create a slight curve.

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