Radiant barrier is a reflective material with no R value. It works by reflecting radiant heat and does not demonstrate its function through thermal conductivity and R value. Radiant barrier increases existing insulations R Value and performance.
Beige 34 In. W X 45 In. Pro Space indoor blackout curtains are made of polyester fiber, which can block 85% - 90% of sunlight and ultraviolet rays. The darker the color of the fabric, the more light it can block.
W X 63 In. Shatex indoor blackout curtains are made of polyester fiber, which can block 90% of sunlight and ultraviolet rays. The darker the color of the fabric, the more light it can block. Room/Location Patio.