Buy 1 Get 1 50% Off Plus 0% Financing For 12 Months*
FREE Design & Quote
(800) 684-3434
Find Your Local Rep
Book Appt. Online

Genuine Thermalite Shutters

Water resistant, fire retardant, and insulates up to 3 times more than wood

Thermalite Shutters

Elegant and Affordable

Thermalite™ Shutters are the best synthetic shutters available – they look and feel exactly like wood, but have some qualities that far surpass those of wood.


Thermalite™ is a solid, non-toxic, 100% synthetic polymer material that's water resistant, fire retardant, and insulates more than three times greater than wood.


Thermalite™ includes the patented Duraglide Louver Tension System which guarantees that your shutter's louvers will never need tightening or adjusting.


Features & Benefits

  • Made right here in the USA for 40 years
  • Non-toxic, water-resistant, and fire retardant
  • Insulates up to 3 times more than wood
  • Diamond Coat finish
  • Guaranteed NEVER to crack, warp, peel or discolor
  • Lowers your energy bills by up to 35%
  • Comes with a fully transferable warranty
  • Easy to care for

View Our Thermalite™ Brochure

Schedule a FREE In-Home Design & ConsultationQuote
Call (800) 684-3434 or submit the form below.
or submit the form below.

No Obligations

Save Energy

Lower Your Energy Bills by up to 35%

The Thermalite Shutters Insulating System will provide up to 3x the insulating properties of typical wood shutters.

Learn More



We Bring the Showroom to You With All the Options to Choose From


The Date and Time of Your Delivery Guaranteed on the Day of Order


Installed in Your Home In As Little As 3 Days From Date of Measure

24/7 Live
Customer Support

Free Design Quote

Free Design Quote
Buy One Get One 50% Off

Call (800) 684-3434 for a FREE In-Home Design Quote


*50% Off every second window covering. Retail value of the 2nd window covering must be equal to or less than the retail value of the first window covering. Ask your Danmer designer for full details.

No Obligations