|High Quality Marine Grade Vinyl
||With a weight of 30 oz. (per linear yard), the vinyl is the heaviest available. It also exceeds the specifications of “Marine Grade Vinyl”, and “Premium Grade Vinyl”.
|Gussetted Double Stitched Skirt
||Expertly designed to protect the outer edge of your spa, helps prevent heat loss.
|Corrosion Proof Zipper
||The Proline zipper is can withstand the effects of adverse weather.
|Continuous Hinge Seal Gasket
||Extends the full length of the hinge to further prevent heat loss.
||The foam cores are further strengthened with a full 20 gauge, 2-1/2″ wide C-channel running the entire length of the cover.
|Heavy Duty Handles
||Made of 1-1/2″ wide vinyl with nylon webbing reinforcement.
|Super Strong Tie Down Straps
||With so many covers in areas of high winds, Proline uses exceptionally strong nylon webbing to reinforce the vinyl tie-downs.
|Double Laminated Polyester Scrim with Grommet Reinforced Moisture Drains
||12 oz. double laminated, tight mesh reinforced, chemical and ozone resistant scrim underside. Reﬂex Energy Shield II™ adds even more insulating value.
|Two Layer Vapor Barrier
||The heat sealed vapor barrier (6 mil) of Proline spa covers is the thickest in the industry.