18 ft x 40 ft Rectangular Winter Pool Cover Green/Black - Heavy Duty

In this review the Buffalo Blizzard Supreme Plus 18 ft x 40 ft rectangular winter pool cover is evaluated for homeowners who need a reliable seasonal shield for above ground pools. The bottom line: this cover is best for buyers who want a heavy-duty, UV-resistant barrier that keeps snow, ice and debris out of the pool during winter. Its most compelling attribute is the reinforced 12x12 Hold-tite scrim and triple-laminated polyethylene construction, which are repeatedly cited as reasons the cover holds up to cold and sun exposure in typical seasonal use.

Key Features

• Durable Winter Protection: Constructed with a 12x12 Hold-tite scrim count to resist tears and splits so the cover lasts through freeze-thaw cycles.
• UV & Fade Resistant: The material reduces sunlight reaching the water and helps protect pool liner appearance over the winter months.
• Reinforced Hems: Double-stitched, triple-thick hems with UV-resistant nylon thread provide long-lasting strength at the edges where wear is most likely.
• Tailored Fit: An extra 5 ft of material allows full overlap beyond the pool edge to help prevent wind from getting underneath.
• Secure Installation: Heavy-duty water bag loops every 4 ft and evenly spaced grommets give multiple anchoring options to keep the cover in place.
• Weather-Ready Construction: Triple-laminated polyethylene is engineered to withstand freezing temperatures and extended sun exposure.

Who It's For

This cover suits owners of above ground rectangular pools who need seasonal debris and winter protection and prefer a robust fabric with reinforced hems and multiple anchoring points. It is a sensible choice for those who value ease of installation and a cover that reduces sunlight exposure to maintain water clarity.

Shoppers who need the very thickest industrial-grade material or who expect extreme, continual heavy-duty wear may want to compare heavier commercial options, since some buyers report mixed experiences with long-term durability and material thickness in high-stress climates.

Pros & Cons

Pros

• Reinforced 12x12 scrim and triple-laminated polyethylene provide solid protection against tears and cold-weather cracking.
• UV-resistant hems and thread help preserve the liner and reduce fading from sun exposure.
• Extra 5 ft overlap and water bag loops every 4 ft make installation secure and simple.

Cons

• Some customers report the material feels thinner than expected, so longevity under very heavy use varies.
• A few buyers experienced durability issues after several months in harsh conditions.

Specifications

Brand	Buffalo Blizzard
Shape	Rectangular
Size	18 ft x 40 ft
Color	Green/Black
Material	Triple-laminated polyethylene with 12x12 Hold-tite scrim
Hems	Double-stitched, triple-thick with UV-resistant nylon thread
Anchors	Water bag loops every 4 ft and evenly spaced grommets

Our Verdict

The Buffalo Blizzard Supreme Plus 18 ft x 40 ft cover is a practical winter solution for above ground pool owners who want strong UV resistance, reinforced hems, and secure anchoring. It offers good value for seasonal protection and fits well with the extra overlap, though buyers seeking the absolute thickest commercial fabric should compare alternatives.

Frequently Asked Questions

Will this cover fit an 18 ft x 40 ft rectangular above ground pool?
Yes. The cover is sized 18 ft x 40 ft and includes an extra 5 ft of material for overlap to ensure a secure fit.

How is the cover secured for winter?
It uses heavy-duty water bag loops every 4 ft and evenly spaced grommets so you can anchor with water bags and additional fasteners if needed.

Is the material UV resistant?
Yes. The triple-laminated polyethylene and UV-resistant nylon thread in the hems are designed to resist fading and sun damage.