Category Archives: Standing Seam Metal Roof Panels

Design Your Standing Seam Metal Roof for Optimal Performance in Cold Weather Climates

If you’re planning on installing a new standing seam metal roof and you live in a cold weather climate with snow, keep in mind some design considerations that, in the long run, are sure to protect you against problems with snow and ice accumulation and removal during the winter months. Here are some tips:

  • Choose a design with a cold roof. Keep the entire roof as cold as the eaves. Ventilating the underside of the roof, insulating the attic floor, and plugging air leaks are usually the answer.
  • Consider a roof color with a high solar absorption value that will help thaw snow and ice.  Colors such as bronze, brown, or dark gray versus white or light earth tones will help do the trick. Continue reading

Accurate, Complete Shop Drawings a Plus on Metal Roof and Wall Panel Projects

A shop drawing is a drawing or set of drawings produced by the contractor, supplier, manufacturer, subcontractor, or fabricator on a metal roofing or wall panel project.

It is an essential part of any project and the quality of the drawings can influence whether a project will be done correctly to specification, whether there will be legal issues down the road about meeting spec and even whether the job will be completed on schedule.

Shop drawings are not produced by architects and engineers under their contract with the owner. The shop drawing is the manufacturer’s or the contractor’s drawn version of information shown in the general contractor’s construction documents. It is drawn to explain the fabrication and/or installation of the items, in this case, metal roofing or wall panels, to the contractor’s installation crews. Unlike an architect’s drawing, a shop drawing’s primary emphasis is exclusively on the particular product or installation, unless roofing and wall panel materials must be integrated with other materials.

The shop drawings should include information for the architect to compare to the architectural specifications and drawings. The shop drawing gives the architect the opportunity to review the fabricator’s and/or installer’s version of the product, prior to fabrication. Attachment of manufacturer’s material specifications, “catalog cut sheets,” and other manufacturer’s information like independent testing results and installation instructions should accompany these drawings. Manufacturers like Englert have all of this information readily available at their company websites so it can be downloaded onto a disk or easily printed out for attachment to the drawings. Some fabricators and manufacturers will provide symbols, data, or instructions concerning installation. This can include a list of other materials, such as fasteners or adhesives, appropriate but not included for the product. Continue reading

Is Your New Standing Seam Metal Roof Warranteed? Here’s One Way to Make Sure.

Your old roof has had it. There are leaks. You’ve got cracked, curled and missing shingles.  Asphalt granules are piling up in your gutter, indicating severe roof wear. And worn-out shingles are threatening to allow water or melting snow into your attic and even into your first and second floor living spaces.

To avoid these problems and get more life out of a new roof, you’ve decided to go with a standing seam metal roof. You’ve picked your roofer, signed a contract and even made sure the contractor is getting you a manufacturer’s paint finish warrantee on your new roof’s metal material.Image of Englert standing seam metal roofing on Florida home

You believe you’ve done everything you can to make sure your new roof will perform as advertised. But wait. Are you really sure you’re getting the manufacturer’s paint finish warrantee you’ve been promised?

There’s only one way to find out. Make sure the roofer who installs your new metal roof provides you with a copy of the paint finish warranty from the roofing material manufacturer. Nearly every manufacturer of metal roofing material will provide that warranty once the material has been paid for by the contractor and if the contractor has taken the time to fill out the warranty form provided by the material manufacturer. If the contractor hasn’t done both, you may be out of luck if something goes wrong with your new metal roof.

Most manufacturers make it convenient for roofers to go online and complete the warrantee form at the manufacturer’s a website. Piece of cake. If you want total assurance this has been done, ask that the warrantee be attached to your bill before you make payment.

That way if something does go wrong you’ll have both readily available to address any issue.

Problems with a Shingle Roof? Free Yourself Forever with a New Standing Seam Metal Roof

Thinking of replacing your old shingle roof with a new standing seam metal roof? Here are six telltale signs it’s time to get rid of shingle roof problems forever and replace them with a metal roof that won’t leak and will continue to look good for decades to come.

–Curling and buckling shingles are a sign that it’s time for a new roof. Shingles that are curling and losing granules means the roof is past its life expectancy or that the roofing material is defective.Worn out curling shingles on a house.

–Cracked or missing shingles is another sign that the roof is failing.

– Shingle granules in the gutters are also a sign of a failing roof.  Roofs tend to lose more granules toward the end of their life cycle. Also, a large pile of granules at the base of the gutter downspout is another sign of a worn shingled roof.

–Dark streaks on the roof caused by airborne algae that is sticking to the shingles. This may not necessarily harm the roof shingles, but it can make an otherwise beautiful home look tacky. Continue reading

Metal Roofing and Wall Panel – Helpful Tips for Assisting in the Specification Writing Process

An architectural firm is being asked to put together a competitive bid specification for a project that includes a standing seam metal roof or metal wall panels. The on-staff designers are not necessarily familiar with all the different metal roof and wall panel products available in the marketplace. But the owner has a tight deadline to produce drawings, written specifications and pricing and the architect has to get the work done quickly.

Architect reviewing project blueprint.Meanwhile, there are only days to complete the process if the architect is going to submit designs and specifications on time. Even under these circumstances, if a designer is going to go to the manufacturer for details and product usage information, there are a number of guidelines they can follow that will make the process easier and faster and make sure they get timely, useful information so the specifications are clear and easy to follow—the first time around.

Here are some tips to architects from our company’s product solutions staff which includes seasoned estimators, spec writers and architects.

Make the Construction Specification Institute’s Project Resource Manual required reading for specification writing.  This is the “spec writer’s  bible” by the only organization in the U.S. that has comprehensively considered the entire practice of specification writing for construction, including urging people to follow the four golden rules of specifying —be clear, concise, correct and complete.  This book contains CSI’s recommended practices for specification preparation, bidding and negotiating, and contract administration. There are definitions of terminology, descriptions of typical procedures, and examples of unusual situations. Continue reading

Complement Backyard Living Spaces with a Standing Seam Metal Roof

American homeowners increasingly are adding outdoor “rooms” for entertaining and recreation on their properties, according to a Residential Landscape Architecture Trends survey conducted by the American Society of Landscape Architects.

Garden shed with Englert metal roof.Nationwide, household participation in do-it-yourself lawn and garden activities showed an increase of three million households, translating into an extra $688 million in retail sales.  In total U.S. households spend about $29 billion each year on their lawns and gardens.

Results also show demand is growing for sustainability in these designs including recyclable materials, solar lighting and rainwater and gray water harvesting.

Decorative water elements such as ornamental pools, splash pools, waterfalls, grottos, and bubblers rated high along with spa features including hot tubs, Jacuzzis, whirlpools and indoor/outdoor saunas. Outdoor backyard structures also ranked well including pergolas, arbors, utility sheds and even tree houses.

And while they aren’t backyard recreation and leisure facilities, add to that canopies and carports which are also becoming targets for consumers concerned about sustainability, the use of solar power and water reclamation. Carports are used in a variety of ways and come in many shapes and sizes, but essentially they fulfill the same basic function. Carports, pergolas, gazebos, cabanas and large yard equipment sheds are ideally suited for PV deployment, providing sloped areas with direct sunlight. Continue reading

Choose the Right Underlayment Material for Your Metal Roofing Project

Underlayment products for use beneath standing seam metal roof systems should be carefully selected to provide a roof system that performs optimally throughout the life of the building. Several considerations must be addressed in the roofing system design, including ensuring that the four barriers needed in any building enclosure i.e., water barrier, thermal insulation barrier, vapor retarder, and air barrier are provided and are in the correct location for a given climate.

Long term, in-service roof performance can be affected by several important factors including: the metal roofing system and its expected service life, the climate at the building location, roof slope and geometry, and ambient conditions (temperature/relative humidity) within the building.  Improper selection of the roof underlayment may allow roof leakage or entrap moisture due to vapor diffusion or air exfiltration, which may accelerate deterioration of concealed components, shortening their service life and necessitating repairs.  Further, to provide longevity the underlayment should match the intended service life of the metal roofing system.

Metal roofing underlayment from Englert, Inc.Structural metal roof panel systems are designed to span structural supports without requiring a structural deck.  Hence, they do not typically include roof underlayment since the installation lacks a continuous substrate or deck to support the underlayment material.
For architectural metal roof panel systems, a roof underlayment is required to help control water leakage through the roofing system during heavy rain storms or under snow melting conditions. Upgraded roof underlayment is often specified in cold climates for additional protection against ice dam leakage, while high temperature underlayments are designed for use in high temperature environments where the in-service temperature can reach temperatures as high as 240ºF. Continue reading

Snow Loads A Real Safety Issue In Winter of 2014 – May be Time to Consider A Metal Roof

Looking for another reason for considering a standing seam metal roof system – well check this out?

Over a 36-hour period in Massachusetts last month, there were more than 70 reports of roof collapses or buildings with potential structural damage from the weight of snow and ice loads on roofs.  The majority took place in eastern Massachusetts but they could have been almost anywhere in the continental United States given the severity of the weather we’ve been experiencing.Snow load collapsed roof

In many instances, homes and businesses were evacuated as a result of collapses or safety concerns resulting from indications of structural weaknesses from rooftop snow loads.  These conditions are directly attributable to prolonged cold weather and repeated snowstorms punctuated by short periods of rain that are absorbed into the snowpack adding more weight.  The threat can be alleviated by removing the rooftop snow on homes and commercial buildings.  That’s one short term solution. Continue reading

Steel and Aluminum—Two Great Metal Roofing Materials, Each Have Their “Strengths”

If you are a designer or builder considering a standing seam metal roof you may be asking the question what is the difference between aluminum and steel as a choice for the metal roof.

Commercial and residential metal roofing is primarily made of steel or aluminum. Both products are initially produced in giant rolls at a mill. All steel roofing has a protective barrier on both sides of the sheet called a metallic coating which protects against rusting. This is underneath and separate from any paint which imparts color to the product. There are two types of metallic coatings used: galvanized, which uses 100% Zinc in various thicknesses depending upon the product usage, and Galvalume, a mixture of aluminum and zinc. These metallic coatings “sacrifice” themselves to protect the iron in steel from oxidation when exposed to air and moisture. Zinc is a more “active” metal than iron so it oxidizes first and forms a protective barrier — zinc oxide, before the iron in the steel can become Ferric Oxide (rust). When zinc is combined with aluminum to form Galvalume there is even more protection in most circumstances.Metal roofing coil in various colors.

Steel residential roofing is made in thicknesses designated by gauge and is generally 24 to 26 gauge, with the higher gauge being thinner than the lower. These gauges are appropriate since most residential metal roofing applications are over a solid substrate. Aluminum residential metal roofing is designated by decimal thickness and ranges from .023 to .040 thickness.

Steel and aluminum both perform well as a metal roofing material. However, aluminum roofing, depending upon the exact product chosen, can run up to 20 percent higher in price compared to steel roofing. Continue reading

Concealed Fastener Systems More Expensive but Proven to Last in Standing Seam Metal Roofing Systems

Over the past several months we’ve talked a lot about standing seam panels and their ability to resist all kinds of weather-related challenges as well as fire, hurricanes and salt air. We’ve compared Galvalume to galvanized steel, polyester to PVDF coating and different metal and aluminum gauge thicknesses.

But the one thing we haven’t talked about are the two different types of metal roofing fastening systems—a very important topic that involves economics, aesthetics and maintenance.

Concealed metal roofing fastenerThe two most common ways of attaching a metal roof to a structure are exposed fasteners and concealed fasteners. Exposed fastened panels use a screw or nail to secure the metal roofing to the roof deck or purlins whereby the nail or screw actually penetrates an area where two panels overlap.  This can involve hundreds and even thousands of fasteners which must be spaced and driven to maintain the integrity of rubber grommets which serve to prevent precipitation from gaining access through each hole.

Conversely, concealed clip fastened panels use a system where the fasteners are driven through the clips into the roof deck with no connection or piercing of the metal panels. The clip and fasteners are concealed beneath the standing seam panel material. The panel is then laid over and attached to the clips and then mechanically or hand locked to them.
Granted, exposed fastener metal roofing panels are a less expensive alternative to concealed fastener standing seam roofs. They work best in simple roofs like gables or shed roofs but get difficult to work with on structures with dormers, valleys and complex architectural features. Continue reading

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