What is the R value of thermal curtains?

What is the R value of thermal curtains?

R-3 to R
Some thermal curtains include closures, such as Velcro strips, that let you seal them to the walls, making them even more effective. When they’re completely closed, thermal drapes have an R-value of R-3 to R-5. That’s around the same insulation value as 1 inch of fiberglass batt insulation.

What is the difference between blackout curtains and thermal curtains?

Blackout curtains typically feature tightly woven fabric to block out unwanted sunlight. Thermal curtains feature a layer of acrylic foam between the double or triple layers of fabric to provide insulation, making these curtains ideal for winter months or drafty windows.

Do thermal curtains really work?

How Thermal Curtains Work. The curtains create a pocket of air between the curtain and the window, blocking the warmth in the room from seeping out through the window. Some thermal curtains include closures, such as Velcro strips, that let you seal them to the walls, making them even more effective.

What are the best curtains for insulation?

Fabrics that tend to work well for double-hung insulating curtains include wool, heavy silk, and mohair. In addition, synthetic fabrics blended with a component called polypropylene are also considered good insulators.

What are heat insulating curtains used for?

Heavy industrial insulated curtains are used for extreme temperature separation applications , such as radiant heat sources. Industrial insulated curtain applications require a specific level of insulation to be effective for their use.

What does thermal lined curtains mean?

Thermal lined curtains provide an extra layer of protection over the window during all seasons. The thermal lining will help hold out both the cold from the winter months and the heat from the hot sun during the summer. Thermal lined curtains provide an extra layer of protection over the window during all seasons.