An Irish window company has issued a warning over using blackout blinds on hot days after social media reports of cracked and broken windows.Get more news about black out blinds,you can vist our website!

Blackout blinds are often used to block the sun's rays, creating a better sleeping environment for babies and children, or for adults who work night shifts and need to sleep during the day.

However Expert Windows, who are based in Stepaside, South Dublin, warned that the blinds can cause your windows to crack.A spokesperson told RSVP Live: "Dark colours absorb heat, so if you have a dark blind that's going to cause your window to heat up.

"It depends on the type of window that you have, and the age of the window. But if you have a PVC window frame, PVC can expand so you could get cracks in the glass."

He added that if you have blackout blinds, you shouldn't leave them pulled down all day long as this can cause heat and condensation to build up.Several people have taken to social media to warn others not to use blackout blinds on hot days.

Mum Hayley Neal shared a picture of a badly cracked window in her daughter's room, which was the result of using a blackout blind.

She told RSVP Live: "I saw a warning on Instagram so I thought it was best to go and take our blind down."That's when the cracked window revealed itself.

"I believe it happened before yesterday as my daughter’s bedroom is in direct sunlight most days, but the current weather will definitely cause this to happen to other people!

"I just wish I knew before finding the cracks - now we have to find the money to replace the window."He told us: "The window is on the landing and gets sun from when it rises until after lunch so it really heats up. The blind is close but not touching it. It works really well helping to block out the sunshine and keeping the heat out, or so I thought until I had a check behind it this morning, when I realised it has trapped a bit too much heat!

"I had been opening the blind later in the day but I did leave it closed yesterday so I suspect it happened then. I didn't hear anything but then there's a noisy fan running all the time at the moment.

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