Why NJ Summers Are the Ultimate Stress Test for Flat Roofs

During summer months, temperatures rise across New Jersey, and buildings rely on their roofing systems for protection against the intense heat. Flat roofs, however, bear the intensity of the extreme weather conditions as there is no slope to deflect sunlight. This type of roofing usually endures long hours of direct UV exposure every day.

Prolonged heat exposure does not just warm the roofing system’s surface. It can also gradually weaken the roofing materials, place more strain on structural components, and accelerate wear. Without routine assessments and timely upkeep, flat roofs can become more susceptible to damage and impact the building’s structural integrity.

One indicator of roof heat damage is thermal expansion and contraction. High temperatures during the summer can cause roofing materials to expand during the day and contract at night. This constant movement places additional strain on the roof’s seams and joints, which leads to cracking or warping over time.

Another sign of heat-related damage is the deterioration of sealants and adhesives used around vents, flashing, and pipe penetrations. These can dry out when extensively exposed to high temperatures. UV exposure speeds up this process, which results in the roofing materials becoming brittle and losing adhesion. When sealants and adhesives crack and lose their elasticity, the roof’s capability to keep water out of the house can be compromised.

Regular maintenance and timely property condition assessment NJ are crucial for residential and commercial properties to protect flat roofs. This reduces the potential risk of further damage and extends the lifespan of flat roofs.

Property owners can properly care for their flat roofs with the help of a professional structural engineer New Jersey. These professionals can evaluate the roof’s current condition and determine if there are any issues, such as rust, damaged seams, clogged gutters, or compromised flashing.

Structural engineers conduct performance testing on roofing materials in accordance with ASTM D5147. This provides performance data on bituminous roofing membranes, assessing how the roofing material responds to heat exposure over time, focusing on stability, flexibility, and strength.

Learn more about how to keep flat roofs prepared for the intense summer heat with this infographic by Lockatong Engineering.