Maintaining a cooler room by fitting a programmable radiator valve to keep the room a little cooler than the rest of the house would probably sort the problem out,” says Tim. Providing you keep on top of the condensation by wiping the cistern down to dry it off, you should not run into any big problems.

Once you've cleaned off most of the buildup, rinse down the interior walls with clean water, then flush again to empty away most of this water. ADJUSTABLE FIT: Easy-to-adjust size by cutting the closed cell foam material liner to fit the inside shape of your toilet tank. Low-E DIY Tank Wrap Kit will increases the efficiency of your water tank, reduces energy consumption and lowers bills.

If you have an older toilet or uninsulated tank, you may be able to find a compatible insulated tank for your toilet. This could be contributing to your problem since water that stands in the tank for a while should warm up over time and will eventually be closer to room temperature between flushes.

I got some thick XPS floor underlay that could be a good waterproof insulator, but how would you go about glueing something like that to the inside of the cistern so it stays there? In some cases, though, you may need to place a window A/C or a portable dehumidifier in the bathroom. Toilet tanks “sweat”—that is, build condensation on their outer surface—due to the difference between the cool water in the tank and the warm, humid air outside. Perhaps you could do fewer smaller flushes so that the water in the cistern has a chance to warm up to room temperature.Once the insulation has been added you should add battens to the exterior of the foil insulation and attach cladding or a plastic cover, this will help the insulation last the lifetime of the tank or vessel. Our seats have also been fitted with a soft close function, designed to ensure they lower gently onto the bowl. Thankfully, the solution to condensation on your toilet tank usually requires nothing more than some good old-fashioned bubble wrap and a water-resistant adhesive. Available in a choice of colors, the lids of these seats feature a grooved design that brings a rich modern character to any interior. Abrams recommends reducing humidity in the bathroom during or after a hot shower or bath by turning on the air conditioner, turning on the bathroom’s ventilation fan, and, if you can, leaving the bathroom door open.