As Houston recovers from the devastation left behind by Hurricane Harvey, glass companies in South Florida are preparing for the worst.

According to The Weather Channel, Hurricane Irma is projected to hit South Florida around 8 a.m. Sunday as a Category 4 storm with maximum sustained winds up to 145 mph.

Despite mass evacuations from the area and days of preparation, Hurricane Irma still poses a large threat to glass businesses in the area.

“We have millions of dollars in projects. The hurricane could wipe all that out,” says Aaron Anderson, office manager of M&A Windows Inc. in Pembroke Pines, Fla. “Right now we’re securing jobsites and making sure that our materials are safe. We’re packing materials in trailers and crates. If the hurricane wipes out our materials it will kill our business.”

Hisham Al-Jamal, owner of Hurricane Window & Screen in Miami, tells™ that education is key to preparation.

“We are super busy. We haven’t seen a crisis like this since after Hurricane Andrew. We’ve been working for three days straight nonstop to help customers and educate people,” he says. “They need to be careful of debris that can fly and hit their windows and doors. We’re planning and trying to satisfy everyone’s needs to immediately protect their homes. Our goal is to serve the community and we’re counting on everyone helping everyone.”

Several companies closed to allow employees to evacuate.

Miller Glass & Glazing in Pompano Beach, Fla., closed their office Thursday due to upcoming severe weather conditions.

According to the voicemail of Marco Glass & Mirror Corp., based in North Miami, Fla., its office is closed from Friday through Monday.

“Secure your homes and be safe,” it says.

The company left a number to call for emergencies, but said it is limited in what they can do.

PGT Innovations Inc. has a list of emergency numbers and team updates on its website. PGT, CGI and WinDoor are all closed today.

PGT wrote a statement about the situation: “First and foremost we want you to keep yourself and your loved ones safe during this hurricane event. Our thoughts and prayers are with all of you with the hope that Irma skirts Florida and becomes a non-event for the U.S.”

Calls by™’ to more than a dozen other glass businesses in Florida weren’t answered or returned, as most businesses were closed as of Friday morning.