There are several solutions to the problems caused by aging metal roofs, each with advantages and disadvantages. Sealing and coating The first and least expensive option is to re-seal exposed seams and apply a waterproof coating. But this method only protects against rain and only temporarily. That's because the roof continues to expand and contract, eventually rupturing the new seals and the coating. Spray-on foam and sealant The second option is to insulate the metal roof with a spray-on urethane foam and then apply a sealant. This method helps protect against rain as well as interior drips. But the irregular surfaces of foam coatings are notorious for collecting water. That's one reason that most warranties for spray-on foam do not cover damages due to ponding water. Roof replacement The third option is to completely replace the roof with new insulation and new steel. This option addresses all the problems-until they begin again, since a new metal roof will have the same characteristics as the old roof. This option is also costly, involves the use of heavy equipment, and is disruptive to a building's normal operations, often exposing the building contents to the elements while work is performed.

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Are there any other options?
Wouldn't it be great if, instead of fixing or replacing your metal roof, you could install a new, long-lasting roof system right over your current roof without an expensive tear-off?

Good news. You can with the Duro-Shield metal retrofit roofing system from Duro-Last.

The Duro-Shield roofing system is the cost-effective, long-term way to protect your building against rain, temperature changes, interior drips, ice build-up, as well as rust and corrosion-guaranteed.