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4 Typical problems associated with installing a metal roof

When it comes to metal roofs, there are a few problems that are generally experienced. Mainly, they are not fool-proof, and most Insurance claims involve leaking roofs and water damage. Some issues are primary aesthetically.

These are typical problems associated with installing metal roofing.

Roof panels

Just like carpeting, paint and other mass-produced items, you can have mismatched colors in between batches. With roof panels, it can be highly visible when side-by-side roof panels have slight color differences. This can be due to slight variation in shading where metal is galvanized to mismatched pain color batches. This occurs when roofing contractors use leftover materials from previous jobs and mix them into new materials which were ordered for a client’s new installation.

Problems with fastening

When the roof fasteners are driven into wood furring strips instead of using the required pre-drilled purlins and clips, there is a high possibility that the fasteners are backed out of the panels over time due to expansion and contraction. Wood and metal moves in different ways, therefore if a metal roof is fastened directly to the wood, the movements will be mismatched, and it can result in fasteners coming out of the roof and cause breakage to the sealant they are coated with.

Poorly galvanized fasteners and not properly sealing the seams and fasteners can cause fasteners to corrode and fail. This can also contribute to rust stains forming along the roof panels.

Oil canning

When you’re considering metal roofing Brisbane, it is vital that the roof is not constructed with low gauge metal or become wavy during the installation due to them lacking the required rigidity to lie flat. This is referred to as oil canning. Most often standing seam roofs with a 26-gauge panel or thinner, the roof will appear to be fine in cold weather. However, as soon as the temperature starts climbing and the meal starts shifting, they will buckle slightly. This is mostly an aesthetic problem, but you can have a problem with durability in the event of hailstorms or high winds.

Voided warranty

There is nothing direr than putting in a claim for Insurance and then finding out that the warranty was voided. That’s why it is imperative that the following issues do not occur after your metal roof installation is completed.

  • Unsealed -cut or jagged edges
  • Panels that have the appearance of being forced into place
  • Areas around the fasteners have a sunken appearance
  • Use of incorrect sealant around protrusions
  • Incorrect underlayment
  • Furring strips which are incorrectly spaced
  • Scratches which have not been sealed

Whenever you notice anything which doesn’t seem correct, make sure you bring it to the attention of the contractor and get it fixed until you’re fully satisfied with the installation. When you’re looking to hire a roofing contractor, don’t hire one that has the lowest bid but doesn’t have the necessary expertise to do the job correctly. A roof installation is a long-term investment and you need to do it right the first time around.