Admirable 63 blackout curtains the best part Ideas 63 blackout curtains on dexetra.org. Another popular sort of curtains and drapes ar tiers. Tiers are also known as restaurant curtains; they come in several totally different styles to fulfill concerning everyones desires, taste, and style. they re short long and are often used in kitchens and baths for decorative purposes. Basically, tiers cover the lower half of the window using a tension rod and may be beautifully combined with a swag, frame or top tier for a more robust, additional decorative look.