06/23/2026
Texas Heat
When the central Texas heat hits Waco and the thermometer strikes a blistering 110°F, most of us are scrambling for the AC or keeping outside activities to a minimum. But up on the roof? It’s a completely different world.
If you've ever wondered what local roofing crews endure to keep your home protected during a summer roof replacement, the actual numbers are eye-opening:
The Midday Roof Reality Check
Black or Dark Shingle Roofs: Surface temperatures routinely skyrocket to an intense 170°F to 180°F. That is hot enough to burn skin instantly through clothing and melt tool grips.
White TPO Commercial Roofs: Even with highly reflective, energy-efficient commercial membranes designed to bounce away solar heat, the surface temperature still exceeds 125°F to 130°F in direct sunlight.
The Attic Space: Trapped under those baking shingles, unventilated or poorly ventilated attics transform into literal ovens, with temperatures easily surpassing a suffocating 140°F to 150°F+.
The Extreme Toll on the Human Body
To survive 9 to 12 hours a day, 6 days a week in these conditions without facing severe health risks like heat stroke, hydration isn't just a daily habit—it’s a precise 24-hour medical strategy.
The Sweat Scale: A typical roofer under a 110°F Texas sun can sweat out anywhere from 2 to 3 gallons of fluid a day. To put that in perspective, that is the equivalent of chugging 16 to 24 standard bottles of water just to break even and keep their organs functioning. Crews have to start aggressively hydrating the night before their shift even begins.
So, the next time you're out mowing the lawn or washing the car and start to feel a little weak from the afternoon sun, take a look up. Imagine exerting yourself under those conditions all day long.
A huge shoutout to the resilient Clark roofing crews keeping Waco Roofed!
Clark Roofing