Metal Roof Recoating

The most common way to retrofit an existing metal roof is to utilize structural framing members that fasten through the existing panel and into the framing of the roof structure.

Metal roof recoating.

Metal roofs are for flat low slope and pitched roofs. On badly deteriorated or extremely rusty metal surfaces we suggest applying blue max at the rate of 1 gallon. Terne roofing was made by producing the. You can apply almost any type of coating to a metal roof.

Elastomeric roof coatings typically have a higher level of aesthetic appeal than an aluminum roof coating. By doing this the additional load of the new roof is transferred to the structure as opposed to the existing metal panel. Metal roofs of all kinds have many advantages from being long lasting to shedding water and snow quicker than an asphalt shingle roof. Sta kool 805 metal x is a tough white elastomeric roof coating that is formulated for exceptional bonding strength to metal roof surfaces.

You can also use oil based alkyd paint but. Metal aluminum coating. This high performance product also contains rust inhibitors which provide long term protection to metal surfaces. Eventually the seams overlaps and fasteners will begin to pull away from each other allowing moisture to penetrate beneath the roof.

Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. Re coating a roof is a less costly option than re roofing for scenarios where the roof still functions but lacks the appeal it once had and is in danger of corroding. Depending on the pitch of the roof the coats are applied in thinner layers. Seam tape all seams joints cracks splits and transitions around vent pipes air conditioning units and areas.

Regardless of the coating used the coating protects the sealing materials and extends the life of the metal roof. For a pitched metal roof expect to spend between 1 50 to 3 per square foot on labor. Metal x expands and contracts with the roof s movement to resist cracking and peeling. However all painted metal roofs have one downside in common and that is that they have to be repainted periodically.

Metal roofs require that you address different factors than rubber or asphalt based roofs. Also when a metal roof coating is pealing or there is surface rust re coating a roof will increase its longevity by increasing its corrosion resistance says michael endredi project engineer at the garland co cleveland. Finish with maximum stretch at the. Before you dive head long into painting your metal roof you need to determine what type of metal it is because although it may appear to be galvanized it may in fact be what is known as terne metal.

A metal roof could be re coated simply because the owner would like to change the color.