What’s a roofing bug expert?

A roofing contractor has a lot to worry about when he or she tries to fix a problem on a building.But the real-life expert, the one who knows exactly what to look for, will likely come in handy.A roofer's main concern is not whether the roof is safe to touch but whether it's safe to do the work.So what is a roofer looking for when he gets stuck?Here are the three most important things you need to...