"Certainly we don't have as much time in the building now; that's going to impact anyone still left in the home and our ability to get to them, and certainly it's going to cause more damage to the home," says Struble.
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Aside from the building materials used in today's homes, other factors contribute to quicker burn rates including larger square footage.
"Back in the 1960s the average single family home was about 1,200 square feet. It's not unusual to have a home that's now 3,000 to 4,000 square feet," says Struble.What's more, with open floor plans, all the rage in new home builds, a blaze spreads more quickly. Couple that with lightweight building materials and large square footage and firefighters see early collapses, rapid fire spread and more intense fires than they've seen in the past 30 years, explains Struble.