The relentless heat and sudden storms of summer expose hidden vulnerabilities in flat roofs. Materials expand under hours of intense sunlight and contract at night, creating gaps that let moisture penetrate. This constant cycle wears on seams, joints, and adhesives, turning minor weaknesses into structural concerns for many buildings.
Signs of heat stress appear in several ways. Blisters or bubbles can form when heat causes trapped moisture to expand under the membrane. If those blisters break, insulation becomes exposed to water, which spreads damage below the surface. Roofing materials like EPDM may shrink after prolonged sun exposure, pulling away from edges and creating gaps that can let water in. Sealants around flashing and vents dry out and lose adhesion, making it easier for water to penetrate after heavy storms.
These conditions affect the structure beneath the membrane as well. Concrete decks can develop wider cracks, while wood decks may warp or rot in the heat and humidity. A commercial building engineer NJ can examine the roof’s deck and supporting structure, identifying weak points that may not be visible during a surface-level inspection. Their evaluation helps prevent minor failures from escalating into costly replacements.
Professional analysis is especially valuable for buildings that have already experienced leaks or water pooling. A structural engineer NJ can conduct performance testing on roofing membranes and use infrared scanning to detect hidden moisture. Based on these findings, they may recommend reinforcing seams, applying reflective coatings to reduce surface temperature, or improving drainage to keep water from collecting after storms.
Summer’s intense heat combined with sudden rain events makes timely inspections critical. Routine evaluations help protect the roof’s waterproofing layer, extend the roof’s lifespan, and maintain energy efficiency by keeping insulation dry and functional.
Flat roofs can withstand New Jersey’s harsh summer conditions when monitored carefully and maintained based on expert recommendations. Acting early keeps minor problems from developing into major failures and safeguards the building’s stability.
To learn more about identifying and preventing flat roof issues caused by extreme heat, check out this infographic by Lockatong Engineering.
