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The Benefits of Metal Panels for Barndominiums

Posted on May 8, 2017May 31, 2023 by Casey Walker

Another alternative residential construction trend gaining momentum (like tiny homes) is the “barndominium” movement. Barndominiums are typically metal buildings that have been transformed from industrial or agricultural structures into residences boasting affordability, low maintenance and energy efficiency. These structures stand apart from traditional and tiny homes in that they may literally have been a barn or warehouse that has been renovated to include several rooms, bathrooms, kitchens and other living areas. They often have open floor plans and can also be dual-purpose—combining a residence with areas used for other functions such as offices, garages, workshops, places of worship or meeting centers.

Barndomiums are highly customizable and can offer your customers all the creative possibilities of a traditional home. Like their standard tiny home counterparts, they deliver a low-maintenance lifestyle at a more affordable price. With a barndominium, you customers have the opportunity to live in a larger space and to incorporate larger workspaces into one inclusive property.

Generally, these high-functioning, low-cost structures include everything your customers would expect in a residential structure: energy-efficient windows, stained concrete floors, engineered concrete slabs, spray foam insulation, plumbing and even 9-foot ceilings. In addition to basic living space and plumbing, barndominiums can offer specialized add-on options such as air-conditioning units, hardwood floors and even hot tubs. What most barndominiums have in common is that they are usually made of metal.

Why Choose Metal Roof/ Siding for Barndominiums?

Developing a barndominium usually means your customers will be working with a steel post-frame building, which naturally lends itself to the use of metal as the primary material for the entire construction. Building with metal will mean less concern about roofing and foundation problems, as well as other issues commonly encountered with a traditionally-built home.

Metal roofing and siding solutions for barndominiums carry the same benefits as for tiny homes—or any other structure for that matter. Beyond color choice and aesthetics, metal panels are readily available and offer durability, wind resistance and recyclability—all contributing to overall cost-effectiveness and long-term sustainability. While there are other roofing materials that can be used, metal remains the go-to choice for your customers who are embarking on a barndominium project.

Bottom Line Benefit:

But isn’t metal roofing more expensive? The initial cost of a metal roof does exceed other materials, such as asphalt, slate or tile; it’s understandable that this could give your customers pause. Industry statistics estimate that the average cost per square foot for a metal roof is approximately $3.00, compared to asphalt shingles at $1.50. This up-front cost, however, is just the first part of a much larger story. Metal provides improved strength and durability, resulting in significantly lower maintenance and energy costs for your customers over time. Over a metal roof’s lifespan, in fact, shingles can cost just as much, if not more, contributing to the cost-efficiency of the design and construction.

Additionally, since metal barndominiums can be pre-engineered and prefabricated offsite, new construction costs are reduced throughout the entire process—from design through to construction. This means measurable savings in labor costs due to a streamlined, abbreviated construction timeline.

Expert Advice:

While barndominiums might be the wave of the future, there are still some practical factors your customers should keep in mind:

Compliance: For one, since barndominiums may have the unique function of serving as both a living and working space, it is important that your customers check (in advance!) local zoning regulations to ensure the property is zoned for a metal barndominium. Also, ensure the building materials chosen are suited to the specific climate and location.

Quality: Furthermore, and perhaps most important, they should make sure the manufacturer is reputable and that the materials used are efficient and of high-quality, which should equate to better warranties and longer life expectancy for the structure.

For more information on metal panels for barndominiums, including recommendations on panel types and gauges for barndominium applications, please contact an American Building Components representative near you.

A Simple Solution to Metal Panel Condensation

Posted on December 27, 2016May 31, 2023 by Tyler Roose

If you’ve ever gone outside before sunrise, you’ve likely noticed dew on the grass or on your car windows. This is condensation. While we may have learned the basics of this naturally occurring phenomenon in science class, we may need a quick refresher.

Condensation occurs when there’s more water vapor (the invisible, gaseous phase of water) than the air can hold. When the water vapor is cooled off or compressed to its saturation limit—at which point the vapor’s molecular density reaches its maximum threshold—it turns into liquid. Warm air can hold more moisture, but as it cools it reaches its saturation limit and water droplets form. While not a problem on the grass or your car (once you wipe the water away), condensation on metal panels CAN be a problem for your customers. The good news is there’s a simple solution.

What causes condensation on metal panels?

When temperature and humidity conditions reach dew point, moisture can condense on the underside of metal roofing and potentially cause water damage to the inside of your customer’s building. Those drips from ceilings and surface moisture occur when warm air comes in contact with the cooler roofline or walls.

High interior humidity—a common cause of condensation in metal buildings—can result from heating and air conditioning systems, how the building is used, gas-fired heating components, improper construction techniques or even human respiration, as these all give off moisture vapor.

Effects of condensation on different types of panels:

If there is an abundance of condensation, water droplets will form and can cause damage. In metal buildings, there are a few possible consequences of trapped moisture in wall and roof systems:

Corrosion of metal components, even on surface-treated metal: When exposed to moisture, metal components can oxidize and weaken, decreasing the life of your customer’s building.
Degradation/ reduced effectiveness of the thermal performance of insulation
Mold or mildew growth, which can cause unpleasant odors and increase health risks, particularly for those with allergies or asthma
Insect infestations

Note: The probability of significant problems will depend on the location and usage of your customer’s building.

Controlling Condensation: What is the Solution?.

Traditionally, condensation is managed by insulating the metal roof so that the panel temperature never reaches the dew point. This is often accomplished using vinyl-backed fiberglass insulation to prevent humid air from coming into contact with the cooler metal roof (which may be at or below the dew point). If your customers are heating or cooling their building, adding insulation is certainly worth consideration. If they aren’t, there is another option to consider besides the installation of vinyl-backed insulation.

Your customers can consider installing Drip Stop, a patented condensation control membrane, to prevent damage from moisture. Drip Stop (manufactured by ABC) is a felt-like material with a rubber backer that can be applied to the back side of metal panels. The material literally traps and holds the moisture resulting from condensation. When conditions change, the ambient air temperature usually rises, thereby raising the dew point. The moisture is then released from the Drip Stop material back into the air in the form of normal humidity. Drip Stop can be applied to the back of metal coils (either Galvalume^® Plus or painted) and then the metal can be roll-formed onto panels.

What are the benefits of this alternative condensation control method?

Drip Stop offers several advantages for your customers:

Durability: Drip Stop is a very tough, light gray anti-condensation felt that is not susceptible to ripping, tearing or deterioration unlike standard insulation and vapor barriers.
Low Maintenance: Drip Stop resists dirt and grime, is antimicrobial and is very easy to clean with a hose or pressure washer.
Corrosion Protection: The rubber backer on the material helps protect the back side of the panel from corrosion (although there is no protection at the panel’s cut edges).
Easy to Handle: There is no need to roll a vapor barrier over purlins and then seal with tape, which can reduce labor hours and cost. Additionally, the use of Drip Stop is not hindered by windy conditions.
Safety and Insurance: The material is approved for smoke generation and flame spread per UL^® 723 for insurance specifications.
Acoustic Benefits: Drip Stop helps dampen sound from either inside or outside the building.
Versatility: Drip Stop is approved for use in residences, warehouses, industrial plants, sports arenas, schools, storage buildings, garages, animal confinement facilities and more.
Cost-Savings: Drip Stop is up to 25 percent less expensive as compared to traditional solutions.
Warranty-Backed: Drip Stop features a 20-year adhesion warranty to ensure longevity.

The Bottom Line:

There’s no need for the damaging effects of condensation to put a damper on your customer’s metal building project. With a simple solution like Drip Stop, you customers can protect their assets and prevent costly and time-consuming repairs.

For more information on Drip Stop and how it can be applied to ABC’s PBR, Imperial Rib® and Retro-R® panels, visit our website or contact your local sales representative.

Safety and Savings Courtesy of Metal Panels

Posted on November 2, 2016May 31, 2023 by Tyler Roose

Most people understand that buildings outfitted with secure, storm-resistant roofing material like metal are less prone to damage from hurricanes, hail storms and other damaging weather events. Not only does this strength provide safety and security for the building owner, but those qualities also translate into cost-savings outside of what’s saved due the longer lifespan and lower maintenance requirements of metal panels.

Safety in Strength

Metal roofs are made to last. Thick panels, properly installed and maintained, have a lifespan of up to 50 years under normal circumstances—double that of most asphalt shingle roofs. To ensure that lifespan, metal roofing manufacturers perform rigorous tests (according to strict ASTM standards) that document performance under a range of environmental traumas. These tests confirm that, compared to other surfaces, metal offers superior performance when subjected to the following:

Hail

Even the most basic metal roof is a shield against hail damage, but of course some products and roof designs offer even greater protection. To protect against hail damage, the optimal option is a heavy-gauge metal panel roof installed over solid plywood or oriented strand board (OSB) sheathing. Two of the most comprehensive post-storm studies found that such roofs survived even the biggest hailstones without punctures or leakage.[i] In the worst cases, the damage to the metal was only cosmetic.

Wind and water

Metal roofs can withstand wind gusts as strong as 140 mph. Because they consist of large interlocking panels, they’re less susceptible to uplift than individual asphalt shingles and offer fewer entry points for water.

In addition, the synthetic underlayments used by professional roofers are 20 times stronger than felt, so in the unlikely event that the roof is punctured there is a much lower chance that water will get into the structure. (Synthetic underlayments also stay as much as 25 degrees cooler on a hot, sunny day and include an anti-skid coating that keeps roofers safer during installation.)

Wildfire

We’ve all seen pictures of metal-roofed homes that have survived wildfires while the surrounding structures burned to the ground.[ii] It makes sense: metal panels hold a Class A fire-resistant rating (the highest possible), making a metal roof installed over a fire-resistant cap sheet the optimal combination in fire-prone areas. In fact, a publication from the UCLA School of Architecture urges homeowners rebuilding in wildfire zones to use non-combustible roofing and siding. It also cautions against the use of clay tiles, which can develop cracks that allow wind to drive burning embers into the attic.[iii]

Lightning

Many people ask about metal roofing’s lightning resistance: does its conductivity make it more susceptible to strikes? The answer is no: not only is a home with a metal roof no more prone to this than any other structure, but if it is struck by lightning the large metal surface will do a good job of safely dispersing that energy.[iv] And because metal is not flammable, a strike is much less likely to start a fire, which is often the most devastating result of a lightning strike.

Continual Savings

Confirmation of metal’s durability and safety comes from a third party business with a real stake in the matter: the insurance industry. Some insurance companies offer lower premiums for the use of qualifying wind- and impact-resistant roofing materials like metal. These include large national insurers like State Farm and Nationwide, which offer discounts in 26 states plus one Canadian province for certain roofing products with Class 4 wind ratings. Most metal roofing manufacturers, including American Building Components, have several products on their lists.

For more information on ABC’s roof products, please visit our website or contact your local representative today.

[i] http://www.constructionmagnet.com/metal-roofing-magazine/metal-vs-mother-nature-hail

[ii] http://photoblog.nbcnews.com/_news/2012/08/16/13314843-lone-house-surrounded-by-scorched-earth-survives-wildfire?lite

[iii] http://www.energy-design-tools.aud.ucla.edu/FIRES.html

[iv] http://www.metalroofing.com/v2/content/guide/newsletters/04-0701.cfm

Maintaining, Cleaning & Repairing Metal Panels

Posted on September 23, 2016May 31, 2023 by Tyler Roose

Understanding the maintenance requirements of your metal panels is essential to maximizing the longevity of your investment with the least amount of hassle. While metal panels have been engineered to provide decades of trouble-free protection, they can suffer damage from the build-up of debris as well as storm-related traumas like hail stones, falling branches and ice dams. To extend the lifespan and strength of metal panels, maintenance consists mostly of preventing and correcting these issues.

The importance of regular inspections

Regular inspections are critical to identifying damaged panels and accumulated debris that can trap moisture, causing corrosion over time. To prevent this, a visual inspection should be performed in the spring and the fall of each year, as well as after major weather events to identify issues. Take a walk around the structure and look for leaves, branches and other debris piled up on the roof, including in valleys, gutters and downspouts, as well as behind chimneys and/or other protrusions. While you can perform this type of inspection yourself, please keep in mind that metal panels—particularly metal roofs—should be professionally inspected every four to five years depending on your geographic location. If you live in a coastal or humid area more prone to corrosion and rust, professional inspections should be done more frequently to prevent the rust from spreading and causing structural damage to the panels.

In addition to debris, keep an eye out for scratched or dented areas, as well as for loose screws and seams that look like they are separating. (If you can’t make out the details from the ground, try using a pair of binoculars.). Use the manufacturer’s recommended touch-up paint to correct scratches as they can quickly degrade the surface protection and jeopardize the longevity of metal panels. If the panels have separating seams or holes, first check to see if the repair is partly or fully covered by your warranty. Unless you are experienced in metal roof repair and possess a thorough knowledge of the products and techniques that can be used without voiding the warranty, it is recommended that you engage a metal panel repair specialist to make the repairs. If you decide to undertake the work yourself, it is also important to remember that these fixes are, at best, temporary and should be addressed by a professional recommended by the metal panel manufacturer.

Cleaning metal panels

Keeping metal panels clean is one of the best ways to ensure they last as long as possible. When cleaning metal roofs and walls, using a non-pressure cleaning method with detergents recommended by the metal panel manufacturer is ideal. It is not advisable to use metal tools such as rakes to remove debris. This is likely to scratch the paint, reducing the panels protection from the elements and other damaging factors. Using a leaf blower to remove debris is a common choice, but a long-handled push-broom or a telescoping pole with a window cleaning brush will also do the job. Ideally, the tool should be one that lets you do the removal from the ground, but if you absolutely must walk on the roof then only step on the flat areas. If there are areas you can’t access yourself—particularly slanted areas that have been made slippery with cleaning solutions—hiring a professional service to do this once or twice a year is the safest option.

To reduce the chance of further damage and keep your panels cleaner over longer periods of time, trim tree branches as far back from the building as possible. This is especially important for large, unhealthy branches that could break off during high winds and cause damage.

Proper snow removal

There are—of course—considerations that must be made for metal buildings located in colder climates. After a winter storm, it’s a good idea to remove standing snow from the roof. This is doubly important on older homes where poor attic insulation can lead to ice dams. An ice dam forms when heat escaping from inside the attic warms the roof and melts the bottom layer of snow. The snowmelt then re-freezes, creating a dam that traps water which can work its way into seams between panels and around flashings.

Warranty considerations

It’s always smart to reference the metal panel manufacturer’s warranty to be sure you don’t use any products or tools that will void your warranty. They should also provide instructions and advice specific to the panels and application(s) you’ve selected to ensure you get the most out of their products with the least hassle.

For more information on metal panels, check out ABC’s FAQ page. For more on our metal panels and accessories, please visit our product pages or contact your local representative today.