If you own and operate a business with a flat roof, you may suspect that it may have been damaged either by recent inclement weather or the wearing down of time. If so, look for the following signs that your building's flat roof has sustained damage and may not be fully up to local commercial code.
Blistering or Bubbling on the Roof
While walking around on the building's roof, look for any signs of blistering or bubbling under the surface of the roofing material. Whether the roof is made from PVC or asphalt sheeting, either of these signs could indicate a serious problem.
Whenever blistering or bubbling occurs, either air or water has become trapped under the surface layer of the roof. If air is present, this usually means there is a hole or crack somewhere that is allowing air to penetrate the roofing.
Eventually, water could become trapped inside the air bubble, leading to saturation of the underlying structures. Once the building's support structures become wet, this situation can lead to leaks, rotting, and mold growth.
If it appears as though water is already trapped in the bubbles or blisters, the aforementioned issues may already be present in your building and will need to be addressed as soon as possible by a professional roofer.
Cracks Below the Roofing Material's Top Membrane
While searching for bubbling on the roof's surface, also take note of any areas where you see cracks in the roofing material's top membrane. Some cracking may occur at the surface level after constant exposure to constant heat and temperature changes.
However, if the cracks go deeper than the top membrane, these gaps in the material are likely allowing water to penetrate underneath the bottom layers of your building's flat roof. The water can become trapped under these layers where it starts rotting the supporting wood.
While trapped under the flat roof, the water also forms condensation when the sunlight strikes the black roof, especially during the hottest part of the day. This condensation creates even more moisture, leading to a total saturation of the wood and increasing its deterioration.
If you notice any of the above signs while visually inspecting your business's roof, it will need the attention of a professional. Contact a roofer who conducts commercial roof inspections to have them look over the damage and discuss with you what actions need to be taken next to bring the roof back up to code.Share
24 February 2018
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