Marine Grade VinylCutaway image
Tough and resilient, 100% polyester backing, mildew treated face and back.

Tough Mesh Bottom
10 ounce strand-coated polyester mesh with a 9×9 weave for superior strength.

Commercial Quality Zipper
Heavy-duty 45 nylon zipper chain and aluminum pulls.

Locking Buckles
Acetal locking buckles keep the cover on until you turn the key.

Heat-Saving Seals
High density polyurethane foam moisture seals at folds to prevent heat loss.

Sturdy, Reinforced Handles
Triple folded reinforced vinyl backed up with double-stitched seams for the sturdiest of handles.

Triple Strength Straps
Triple folded reinforced vinyl double-sewn seams.

Marine Grade ThreadColor Chart
Marine grade polyester thread is used on all Castle Covers.

Insulating Polystyrene Core
Our expanded polystyrene has top-rated insulation properties and is available in a variety of thicknesses. The foam core’s tapered design keeps rainwater off the spa cover.

Durable Reinforced Hinge
The aluminum channel reinforcement at the cover hinge adds strength and durability.

7 mil Moisture Barrier
The 7 mil thick tri-extruded plastic wrap prevents moisture form reaching the foam core.

Rugged Reinforced Stiching
Adds durability.

Easy Care
A little soap and water does it. We also offer Aerospace 303 Protectant for Additional care.

2 Year Warranty
Our warranty guarantees product performance for two years from date of purchase on both materials and workmanship. (one year for inner foam core: see warranty form for details.)

Designer Colors
Castle Covers come in a wide variety of colors. 12 Colors in stock.