There are two installation options with liquid-applied membranes like those from Conklin: squeegee and spray application. Spray application is generally used with coated-polyurethane-foam systems. Liquid applied systems are highly useful as re-covers for weight-sensitive applications, such as pre-engineered steel buildings.
Coated-polyurethane-foam systems are excellent for adding insulating value to a re-cover roof and fixing slope-to-drain problems. They are sensitive to humidity during installation. If a silicone coating is used, the roof system is not sensitive to grease and oil emissions as silicone is fairly inert.
Squeegee-applied systems are mostly used to prolong the life of an existing smooth-surface roof. They are a good, low-cost alternate to reroofing but are not necessarily a permanent replacement. Newer, liquid-applied roofing systems can last as long as 10 years, however. The caveat is that the roof has to be in fairly stable and dry condition when the new liquid membrane is applied.
Clearly, there are many options available to anyone undertaking a re-roofing project. Sorting them out before going out to bid is the best way to assure the most appropriate roof system is chosen for the building. A properly trained and knowledgeable roofing contractor can help sort through the options.
For those who are not currently working with a particular contractor or who feel uncomfortable having the same entity designing and installing the roof, an architect or engineer who specializes in roof consulting can not only sort out the best options, but also provide construction documents that will allow you to bid out the same work to the best contractors and know that the roof has been optimized to fit the building.
Look for a Conklin Roofing Systems contractor in your area:
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