12 ft Round Pool Cover - Extra Thick Durable Above-Ground Protection

In this review of the 12 ft Round Pool Cover from the Sapphire Series, the bottom line is straightforward: this cover is for above-ground pool owners who want a heavy-duty, weather-resistant winter closing solution that actually holds up to sun, cold and debris. The reviewer found the standout reason to buy is the cover's construction - a 14 x 14 scrim count and 185 gsm density combined with patent-pending sealing at the seams - which together keep water uncontaminated and block debris through the entire off-season.

Key Features

• Extra thick construction: The 14 x 14 scrim count and 185 gsm density give the cover substantial strength and tear resistance for long outdoor use.
• Seam sealing technology: Patent-pending sealing prevents dirt and debris from leaking through seams, keeping pool water cleaner until spring.
• UV protection: LDPE coating is formulated to withstand winter sun and reduce material degradation from UV exposure.
• Black underside: A dark lower surface helps prevent water overgrowth by limiting light penetration under the cover.
• Wide overlap: The generous 4 ft overlap simplifies installation and helps ensure a secure fit around an above-ground pool.
• Temperature resilient: Rated to resist cold down to about 10 F (-12 C) and to tolerate heat up to 180 F (80 C), making it durable across seasons.

Who It's For

This cover is aimed at owners of above-ground pools who need a reliable winter closing kit and value heavy construction over light tarps. It suits climates with strong winter sun or bitter cold, because the LDPE coating and cold resistance limit UV and freeze damage.

It is less suitable for someone looking for a lightweight or temporary tarp-style cover or for in-ground pools, and note that the pool pillow is not included so buyers who expect an all-in-one winter kit should budget separately for accessories.

Pros & Cons

Pros

• Very durable material with industry-standard 14 x 14 scrim and 185 gsm density for long-term protection.
• Patent-pending seam sealing reduces dirt ingress and helps maintain pool water quality over winter.
• LDPE UV coating and black underside protect against sunlight and discourage plant overgrowth under the cover.

Cons

• Does not include a pool pillow, which is often purchased together for optimal winter water management.
• Heavier material can be bulkier to handle and store compared with thin tarps.

Specifications

Product Type	Above-ground round pool cover
Size	12 ft round
Material Density	185 gsm
Scrim Count	14 x 14
Coating	LDPE UV-resistant coating
Overlap	4 ft generous overlap
Temperature Range	Approximately 10 F to 180 F (approx -12 C to 80 C)

Our Verdict

The 12 ft Round Pool Cover is a solid choice for above-ground pool owners who prioritize durability and season-long protection; the heavy scrim, high density and seam sealing offer measurable advantages over lightweight tarps. It is good value for anyone who needs a cover that resists UV exposure, cold weather and debris, but remember to purchase a separate pool pillow if you want a complete winterizing setup.

Frequently Asked Questions

Is a pool pillow included?
No, the pool pillow is not included and must be purchased separately.

Can this cover handle winter sun and UV?
Yes, the LDPE coating is specifically tested to withstand UV exposure during colder months.

Will the seams keep out dirt?
Yes, the cover uses a patent-pending sealing technology designed to prevent dirt and debris from entering through seams.