Membrane Roof Over Metal Roof

While standing seam metal roofs installed on steep slopes snap together and allow any water that gets under the metal to be shed by an underlayer low slope standing seam.

Membrane roof over metal roof.

No more cracks and leaks around penetrations. This membrane should be labeled high temperature to withstand the surface temperature of the roof on a hot summer day. However on most measures metal roofing holds its own. While metal roofs can offer lower initial installation costs and protection against fire installing a duro last single ply membrane over your metal roof means.

I m considering putting a steel roof on it. It has an adhesive backing with a peel and stick feature. However they can be more susceptible to corrosion from salt spray or chemicals than conventional roof systems such as shingles single ply or modified bitumen in conventional construction the structure supporting the roof system typically consists of pre cambered bar joist rafters spaced 5 to 6 feet apart with a 22 gauge or heavier roof deck. Hello i am in the process of buying a building that currently has a 30 year old rubber membrane roof.

Excluding water intrusion metal roofs are typically much less susceptible to damage from hail and physical damage than the membrane options. No more seam and fastener problems. Due to the configuration of the metal roof panels it is first necessary to install an eps expanded polystyrene insulation in between the metal ribs of the roof panels to create a smooth surface to support the 1 1 2 iso polyisocyanurate roof insulation over which the 60mil white tpo roofing membrane is installed. It leaks the roof has a slight pitch maybe 1 12.

Is it possible to put the steel directly on top of the rubber membrane without doing like 2 x 4 framing. This will make your home much more temperature efficient and you can save a lot on utilities. As with single ply membranes there are toxicity concerns around some of the materials involved particularly coatings. When you install a metal roof over or turn your flat roof into a pitched roof a great benefit is that it also adds a layer of insulation for your mobile home.

Many single ply membrane roofs rely on the existing metal roof to function as a structural deck for support and attachment of the roof system including board insulation as well as for support of live snow and wind loads and for providing stability to the roof support members.