Aluminum is a much lighter metal so weight would not be an issue if a homeowner or business owner wanted to upgrade their existing roofing system.
Roofing over existing aluminum panels.
Before you decide to install a metal roof over existing asphalt shingles you need to answer a number of important questions.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Mcelroy metal has develop several methods to recover an existing metal roof using the symmetrical 238t standing seam roof system.
Mcelroy s patented recover system is commonly utilized over existing thru fastened panels.
Complete and separate roofing systems such as standing seam metal roof panel systems that are designed to transmit the roof loads directly to the building s structural system and that do not rely on existing roofs and roof coverings for support shall not require the removal of existing roof coverings.
Metal over metal retrofit considerations there are a number of issues a roofer will have to deal with when it comes to metal over metal retrofits but listed below are a few where the use of a roof hugger system may help resolve.
As with most older metal buildings the metal roof panels had expanded and contracted over time causing the roof to leak.
238t recover systems provide a long term solution to existing exposed.
This is by far the most common way to install a metal roof.
For worn out existing metal roofs mcelroy metal s frameless 238t metal over metal recover system is the industry s best recover solution.
The purlins not only give you something other than the existing roof to accept the roof panel fasteners they also create an airspace between the roof panels and the existing roof.
If the roof on your existing project doesn t have an exposed fastened roof system no problem.
Our goal was to provide a water tight roofing system by installing a tpo roofing system and increase the r value of the roof by installing a eps flute filler and iso roof insulation.
Canadian drugs we have recently completed a metal reroof project.
Many metal roofing systems can be installed over 1 2 layers of existing asphalt shingles saving time labor and landfill costs.
Should you tear off the old roof and start over or simply remove the fasteners from the existing roof and install another roof over it.
Lay a metal roofing panel over the existing roof material in the bottom corner of the roof surface and fasten to the roof according to the metal panel instructions.
Faq 001 can metal roofing be installed over existing shingles.
The purlins support the panels.
Available systems include a patented frame less metal over metal recover option that provides a low cost retrofit solution over existing exposed fastened panels with ribs up to 1 5 tall.
Metal roofing materials are available in several styles that require different fastening applications but are most commonly screwed to the roof framing or sheathing material.