Heavy Duty 4 Inch Covers $299!
Great for Moderate Climates 

The 4 to 2" Heavy Duty spa cover is a perfect solution for the spa owner on a budget. The Heavy Duty cover model is also known as the OEM replacement spa cover. Our Heavy Duty model features a 1.5 Density Core (beware of 1.0 Lb and recycled foam which will break easily), an insulation rating exceeding R-15, a 20 gauge galvanized steel c-channel in each half for added strength and a 6 mil vapor seal resistant to chlorine and bromine. 

Is Your Spa Cover Saving You Money?

Heavy Duty Hot Tub Covers
Load Rating = GOOD

Heavy Duty Foam Core 4" Sloaped.

Solis Spa Covers Stay Lightweight & Save Energy! Operate Your Hot Tub for Less with Solis Technology!

Built in Value!
Heavy Duty 4 to 2 Cover Model $309 Details.

*Orders are Shipped in Approximately 7 Business Days.

Heavy Duty Cover $299 Free Shipping - Buy Now!

Non Prorated 5 Year Warranty!
Free Shipping on Any Spa Cover Order!

Heavy Duty Cover $299 Free Shipping - Buy Now!

Got Questions? Not Sure about Measurements?
We have over 6000 Cover Specifications!

Call Our Friendly Experts Now!
(866)460-4537 or (813)433-1954  

Best Prices & Best Service!

Reasons to Buy a Solis Spa Cover

Celebrating Over 15 Years on the Web! 

Solis Spa Covers has been America's Trusted Spa Cover Manufacturer for over 25 Years!


  • 2 lb. Density Foam Core Upgrade +$40 (increases insulation w/o the extra bulk of a thicker cover)

  • Double Vapor Barrier +$25 (warranties the foam core against saturation for 5 years) Double the Protection with our Clear Guard System!  

  • Full Length Hinge Seal +$25, Adds Continuous Insulation Down the Hinge Area of the Spa Cover (up to $600 in Energy Savings per Year!)

  • Split Flap +$20.

  • Overlapping Flap at Hinge +$15 - Enhances Heat Retention!

  • Expedited Processing +$75 Orders ship in 48 hours Monday thru Friday and deliver in 2 to 7 days.



Spa Cover Summer Sale!


We are not JUST a database of sizes, we are real people with over 25 years experience in the industry!  

Our step-by-step ordering process means you can easily order the perfect replacement spa cover ONLINE, for any spa brand, in just minutes.