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Common Flat Roofing Mistakes

Not cleaning the roof before installation.

One of the most common mistakes made during flat roof installation is not cleaning the roof properly before beginning the work. This can lead to a variety of problems, including leaks and corrosion. It is important to clean the roof thoroughly before installing a new roof.

Not installing a vapour barrier.

Another common mistake is not installing a vapour barrier. A vapour barrier is a thin sheet of plastic that is installed between the roofing material and the insulation. This prevents moisture from escaping through the insulation and causing damage to the roofing material.

Not installing an insulation board.

Insulation board should always be installed between the roofing material and the insulation. This helps to keep the insulation in place and prevents it from becoming wet and damaged. The insulation board also helps to protect the roofing material from the sun’s heat.

Not flashing around chimneys and other protrusions.

Chimneys and other protrusions on the roof should be flashed with a special flashing material to protect them from water damage. Not flashing these areas can lead to leaks and other problems.

Not installing a drainage system.

A drainage system is essential for any flat roof. Without a drainage system, the roof will quickly become flooded and damage the roofing material. A good drainage system should include a rain gutter and downspout to direct the water away from the building.

Not properly securing the membrane.

The membrane should be properly secured to the roof deck with nails or screws. If the membrane is not secured properly, it will eventually tear and allow water into the building.

Installing the membrane upside down.

One of the most common mistakes made with roofing membranes is installing them upside down. This can cause water to seep under the membrane and damage the roof deck.

Conclusion:

There are a number of common mistakes that can be made during flat roof installation

. It is important to avoid these mistakes to ensure that the roof is properly installed and will last for many years.

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