Lynne Yourston, owner of L&L Cutz said: "I couldn't believe it when I came down this morning. I could see the water pushing against the door and I knew the damage would be awful.
"Everyone has been fantastic, coming over to see if they can help us out in some way.
"The electrics are out, the floor is ruined but thankfully the stock is ok. I am hoping we can re open as soon as possible."
More top news
Cumbria Police issue burglary and theft warning ahead of the festive season.
More than 2,000 nurses working in Cumbria are taking part in free training sessions to improve their clinical skills.
Dumfries is set to benefit from a £200million investment that will include a revamp of Queen of the South's Palmerston Park.