ShadeMart 16ft x 19ft Red Rectangle Sun Shade Sail - UPF50 Outdoor

In this review of the ShadeMart 16' x 19' Red Rectangle Sun Shade Sail, the bottom line is simple: it is a durable, breathable canopy for anyone looking to reduce heat and UV exposure over a patio, carport or pool area. The reviewer found the sail blocks a large portion of sunlight while allowing water and air to pass through, making it useful where runoff or wind are concerns. It is best for homeowners who want a heavy-duty fabric solution that cools an outdoor area without trapping moisture.

Key Features

• Woven HDPE fabric: The high density polyethylene weave provides a durable, tear-resistant surface that resists fading and maintains shape under sun exposure.
• UPF50 protection: Blocks up to 95% of harmful UV rays to significantly lower temperatures under the canopy for more comfortable outdoor use.
• Water and air permeable: The breathable design allows rainwater and wind to pass through rather than pooling, reducing strain on attachment points and improving comfort.
• Stainless steel D rings: Reinforced corner D rings attached to heavy duty webbing provide secure anchoring and long-term corrosion resistance.
• Custom sizing available: A range of custom sizes is offered so buyers can match the sail area to irregular venues, provided measurements are accurate before ordering.
• Decorative rectangle shape: The clean rectangle profile integrates with patios and carports while adding a visual accent with available color options.

Who It's For

The ShadeMart rectangle shade sail is ideal for homeowners and renters who want a sturdy, UV-blocking canopy for a patio, pergola, carport or pool area and who prefer a solution that breathes rather than sheds like a solid awning. It suits DIY installers who will mount the sail to posts, walls or trees using proper hardware kits.

It is not the best choice for someone who needs a fully waterproof cover for constant rain protection or who requires a precisely pre-measured commercial fit without ordering a custom size; buyers should measure carefully and expect small manual measurement variances.

Pros & Cons

Pros

• High quality woven HDPE fabric delivers notable durability and long life in sun-exposed settings.
• Blocks up to 95% of UV rays and drops surface temperatures substantially, improving comfort.
• Breathable, water-permeable weave prevents pooling and performs well in windy conditions.
• Stainless steel D rings and heavy webbing make attachment secure and reliable.

Cons

• Not waterproof, so it will not provide full rain protection in heavy or prolonged downpours.
• Size variations from manual measurement mean custom sizing requires careful measuring to avoid fit issues.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	16' x 19'
Material	Woven HDPE (High Density Polyethylene)
UV Protection	UPF50, blocks up to 95% UV
Water Resistance	Water permeable, not waterproof
Hardware	Stainless steel D rings with heavy duty webbing

Our Verdict

For those who need a robust, breathable shade solution that significantly reduces sunlight and heat, the ShadeMart 16' x 19' rectangle sail is a good value and performs well in typical outdoor conditions. It is especially suited to patios, carports and poolside areas where water permeation and airflow are preferred; buyers seeking complete rainproof coverage should consider a different style.

Frequently Asked Questions

Is this shade sail waterproof?
Answer. No, this style is water permeable and breathable and will allow water to pass through rather than act as a waterproof cover.

Can it be mounted to trees or posts?
Answer. Yes, with the proper hardware kit the stainless steel D rings and heavy webbing allow attachment to poles, trees, walls or roofs.

Will it reduce temperature under the sail?
Answer. Yes, the UPF50 fabric blocks most UV and typically lowers temperatures under the canopy, making shaded areas noticeably cooler.