I only have that top on for now because my house/area is rough on humidity. Ever since I put that top on my humidity stays perfect between 55-65%. It is actually very heavy, and I will secure it incase of any problems. I have a normal top with 2/3 of it wrapped in tinfoil and duct tape but it just wasn't cutting it. Once it starts to get warmer in a month or so I should be fine with that. Thank you for the advice, I don't wanna lose my BP