Reroofing is the practice that involves installing a new roof over an existing one. Some roofers recommend this practice to homeowners who are planning on switching from an asphalt shingle roof. But is this a good idea?
Why Do Some Roofers Practice Reroofing?
The main objective of reroofing, as opposed to the standard practice of stripping the old roof before installation, is to save on removal and disposal costs. Reroofing is also done when roof replacement needs to be done in the shortest time possible.
It’s important to note that in most cases, the said pros are outweighed by its cons. Reroofing skips fundamental steps, such as structural repairs. If the roof has hidden issues, such as damage from trapped moisture, it won’t be addressed during installation. It also doubles the weight of the roof if you’re replacing it with the same type of roofing material. This can be a problem if the support structure isn’t built to carry such weight. The fasteners will likewise be doubled, which can compromise roofing integrity.
Reroofing With Metal
Some roofing contractors recommend reroofing with standing seam metal because the total roof weight is but a fraction of a standard asphalt shingle roof, which helps preserve the roofing integrity.
However, before you decide on reroofing with a metal roof, you have to keep in mind that there are specific conditions that make reroofing with a metal roof safe. For instance, decking isn’t suitable for a third replacement, regardless of condition, so a third installation with the same decking won’t be structurally sound. Roofing that obviously requires repair will, of course, need to be stripped.
Work With a Certified Contractor
If you are considering reroofing instead of a “clean” installation, then you need to work with experienced and certified roofing contractors. They will be responsible for assessing the roof’s condition. You have to anticipate the possibility that your roofing contractor will deem your roof unsuitable for reroofing and that pushing through with it can result in premature roofing failure.
Safe Harbor Roofing & Siding is your leading provider of metal and wood shake roof systems. Give us a call at (913) 553-3620, or fill out our contact form. We serve customers in Shawnee, KS, and nearby areas in Kansas City.