So if you have existing curtains or if you’re making new curtains, you can simply add some blackout lining to the back of your curtains. Easy as that. I went to Joann Fabric and found some blackout lining for $6.99/yard but it was half off. … This blackout fabric has 2 sides to it.
Do blackout curtains cause mold?
The BBB caused condensation and mold.
It will let the space between the curtain and windows air out. The warmth inside + cold air outside = condensation. It gets trapped between the curtains and window and makes mold.
How can I darken a room without blackout curtains?
Taping aluminium foil to the window with painter’s tape or any low-tack tape is an affordable way to darken your bedroom without damaging the glass or surrounding paintwork.
Is aluminum foil on windows illegal?
Yes. Emergency management agencies specifically recommend using “aluminum foil-covered cardboard” between windows and drapes to reflect heat back outside.
Which side of blackout lining faces the window?
The fabric side faces the window to help protect the coated side, although the blackout feature works regardless of the lining’s direction.
Why are my curtains turning black?
By the time most people notice the mildew the bacteria have died, due to the cooler winter temperature and left their spores which have turned black. That’s what we see. They are hibernating mould bacteria which are responsible for the black stain seen on curtains and linings.