Comparing Light Deprivation Greenhouse Covers

Comparing Light Deprivation Greenhouse Covers

What should you consider when buying a light deprivation tarp or cover for your greenhouse, and what are your available options?

There are four main types of blackout light deprivation covers currently on the market for manual and automatic greenhouses: Panda, Woven, Breathable, and BOLD:


Light Deprivation Samples








•Typically inexpensive

•Flexible and lightweight

•Cost effective


•Breathable fabric allows air flow to plants

•May reduce excessive heat and humidity build-up in a greenhouse

•Totally light blocking

•UV resistant and heat reflective

•Withstands both heat and cold (-70° to 180°F operating temperature)

•Made in the USA


•Not 100% light deprivation

•Tears easily

•Requires ventilation

•Meant for temporary use, material tends to rub off and fray

•Requires ventilation

•Made from layers of combined fabrics, so moisture gets trapped and mold quickly accumulates

•Most expensive

•Not designed for outdoor use

•Requires ventilation

•Requires ventilation


•Light-proof barriers for room partitions

•Hydroponic grow covers

•Reservoir covers

•Temporary covers

•Temporary rain covers

•Light-dep covers to be used inside a greenhouse as a climate screen

•Light deprivation greenhouse covers


•Black on one side and a 90% reflective white on the other side allowing light to be reflected back onto your plants

• Woven ribbons of high-density polyethylene give it superior tear resistance but most woven coated poly covers contain pinholes that allow light to enter

•Thick, layered fabric

•Woven/sewn in a way that does not allow light to penetrate, but allows the fabric to breathe

•No pinholes/no perforations

•Scrim reinforced for excellent tear strength



•Made with lightweight interwoven poly strips

•Flexible, durable, reusable, and easy to handle

•Ideal for weather protection, abatement, containment, scaffold enclosures, and much more

•3-5 layers of horticulture-grade textiles

•Mix of virgin polyethylene resins and polyester

•Heavy diamond scrim reinforcement

•Outer white layer contains UV inhibitors and thermal stabilizers

•Black outer layer contains carbon black to enhance outdoor life and ensure total light deprivation


•4.0-6.0 mil •9.0-12.0 mil •6.0-30.0 mil •8.0 mil
AVERAGE LIFE-SPAN AT FULL EXPOSURE •1 year •2 years •Cannot be used outdoors (material will rot) •2 years


•4.0-6.0 mil •9.0-12.0 mil •6.0-30.0 mil •8.0 mil

With so many market options, it’s difficult to choose the best cover for your needs. Americover offers a wide-range of products that fit a variety of applications. And we have nearly a quarter century of plastic cover know-how behind those products. Our experts can help you choose the right cover. Call us if you’d like some advice or if you have questions at 833.261.6501.