Sealant For Metal Roofing

Sealant aids in the prevention and repair of the metal roof. It forms a secondary source of defense from leaks by forming a barrier against moisture and airborne particles but metal roof sealant cannot be the only protection to prevent water intrusion.

Metal roof sealants supplier New Hampshire can provide you sealants in two types:

Gun caulking sealant: This type of sealant for metal roofing comes in the form of either a squeeze tube or a cartridge that is used in conjunction with a caulking gun. The tube is loaded into the device for a smooth and even application of the sealant.

Butyl tape: This flexible sealing material is made from synthetic rubber and comes in double-sided rolls in varying thicknesses and widths. Butyl tape available with metal roof sealants supplier New Hampshire is used when appropriate. It is more affordable and less labor-intensive.

Sealant for metal roofing can be made from a variety of compositions including:

  • Acrylic
  • Butyl (rubber)
  • Silicone, and
  • Polyurethane

Silicone sealant for metal roofing may be suggested by the metal roof sealants supplier New Hampshire as it adheres well to metal and other materials commonly used in home constructions. The sealant for metal roofing also offers excellent moisture and UV protection, and also supports the movement of panel joints.

Sealant for metal roofing should be used in any area of the roof which is vulnerable to intrusion and leakage by water, such as:

  • Joints
  • Overlaps
  • Gaps
  • Trims
  • Fasteners
  • Gutters
  • Seams, and
  • Metal end laps

You can expect your sealant for metal roofing to last from 10 years to 20 years, depending upon the brand and type of the product used. As sealant will not last as long as the metal roof, it will have to be changed at some point throughout the lifespan of the roof, failure to do so can result in a leak.



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