Robelle 21 ft Professional Blue Winter Pool Cover for Above Ground Pools, 4 ft Overlap (25 ft Cover Size), Solid 12 x 12 Scrim, 3.7 oz/yd2, 15-Year Warranty, Style: 2721-4

This is a Professional-Grade solid winter pool cover. Solid pool covers do not allow water to pass through their material. This pool cover features a Professional-Grade 12 x 12 scrim. The Professional-Grade polyethylene material used for this cover weighs 3.7 oz./yd2. Both the scrim count and material weight are the best indicators of the strength and durability for your pool cover. This is a Professional-Grade pool cover designed to protect your pool from the winter elements. This pool cover has a black underside. Please order by your pool size, as the overlap goes beyond the pool size listed. This cover includes a four-foot overlap. If you have a very large top rail, please consider a larger pool size. This cover should be able to comfortably float on the pool water without excessive stress. This cover is not meant to be used as a debris cover during the swimming season. This winter pool cover is intended to be used during the off-season. This cover is meant for traditional above ground pools with a traditional top rail. Includes a winch and cable that should be used to secure your pool cover through the grommets around the perimeter of the pool cover. For extra securing, cover clips and cover wrap (both sold separately) are suggested for pool closing. No other method of installation is recommended. Includes a fifteen year warranty.

• Professional winter pool cover for 21 ft. round pools. This pool cover has a 4 foot overlap, which is the material included beyond the pool size, making this pool cover easier to install. Since 1973 Robelle has been offering the best pool covers for pool owners. This cover has twice as much overlap as other brands, making it the easiest pool cover to install. Including overlap, the cover size is: 25 feet. Includes winch and cable for easy installation.
• This Professional pool cover is constructed with professional polyethylene that weighs 3.7 ounces per square yard (125 grams per square meter). The material is woven with a 12 x 12 scrim. Scrim is the number of threads per square inch. Material weight and scrim are the best indicators of the overall durability and expected longevity of your pool cover.
• With over 50 years of experience, Robelle has designed this Professional winter pool cover with an exceptional focus on quality for this season and years to come. Constructed 85% heavier than industry standard. Backed by a 15-Year Warranty that is the best in the industry. We are real swimming pool experts that are here to help with all of your swimming pool needs.
• This is a solid winter pool cover that will not allow water to pass through. More pool owners have trusted Robelle for their pool closing needs than any other brand. Exceed your expectations when you choose a Robelle brand pool cover.
• This pool cover will protect your pool from winter elements throughout the offseason. Designed for superior protection against snow and ice.
• Use the included winch and cable to secure the cover through the grommets. This pool cover is designed for optimal performance in high wind areas.
• For pools with decks, install on top of the deck using vinyl water weights, placing them on top of the cover. For pool with partial decks, use water weights on the deck and use the winch and cable around the perimeter running the cable under the deck if possible.
• Cover should be able to float loosely on the water, consider going up a pool size if you have large top rails.
• Ice equalizer pillow sold separately