17ft x 21ft x 27ft Right Triangle Sun Shade Sail - Heavy Duty UV Block

In this review we look at the 17ft x 21ft x 27ft right triangle sun shade sail and why it suits patios, pools and carports that need long-lasting sun protection. The bottom line: this shade sail is for anyone who wants a heavy duty, breathable canopy that blocks most sunlight without trapping heat. The reviewer found the 190 GSM virgin HDPE fabric and UV stabilized compound set it apart from recycled alternatives by resisting fading and drying, and the stainless steel D-rings with reinforced seams made installation secure when paired with proper hardware.

Key Features

• 190 GSM virgin HDPE: A thick, non-recycled woven fabric that is rated for extended outdoor UV exposure and feels sturdier than thinner sails.
• UV stabilized compound: Treated material resists drying, tearing and fading so the color and strength last longer in strong sun.
• 95% UV blockage: Cuts most harmful UV and noticeably reduces sunlight and temperature in the shaded area for patios and pools.
• Breathable woven fabric: Allows air and water to pass through so there is no pooling after rain and the shaded area stays cooler.
• Reinforced seams and D-rings: Double layered stitching and stainless steel D-rings provide secure anchor points for proper hardware and cables.
• 3 year limited warranty: Manufacturer warranty covers normal weather and use, offering extra peace of mind for long-term installations.

Who It's For

The sail is ideal for homeowners with a large patio, pool or carport who want a durable, long-lasting canopy that prioritizes UV protection and breathability. It works well for outdoor living spaces where a true right-angle corner placement is possible and where users will install with proper metal cables and hardware for secure tensioning.

People who need a quick pop-up shade or who require integrated hardware in the package should look elsewhere, since installation hardware kits are sold separately and the sail requires cable and rated fittings to perform at its best. Those seeking lightweight or very temporary solutions may find this heavy duty sail more permanent than needed.

Pros & Cons

Pros

• High quality 190 GSM virgin fabric offers strong durability and resistance to UV degradation.
• Blocks 95% of UV while remaining breathable, reducing heat buildup under the canopy.
• Well-constructed edges with reinforced stitching and stainless steel D-rings for secure mounting.
• Three year limited warranty provides confidence for prolonged outdoor use.

Cons

• Installation hardware is not included, so additional purchase of cables and fittings is required for safe mounting.
• As a heavy duty sail, it is less suited to short-term or very lightweight shade needs.

Specifications

Shape	Right triangle
Size	17ft x 21ft x 27ft
Material weight	190 GSM
Fabric	100% virgin HDPE, UV stabilized
UV protection	Blocks 95% of UV
Hardware	Stainless steel D-rings; installation kit sold separately
Warranty	3 year limited warranty

Our Verdict

This right triangle shade sail is a solid choice for homeowners and small commercial spaces that need reliable, breathable UV protection. With 190 GSM virgin HDPE, reinforced seams and stainless steel D-rings it offers long-term durability and good value when paired with quality installation hardware, making it worthwhile for permanent or semi-permanent outdoor shade projects.

Frequently Asked Questions

Does this sail come with installation hardware?
No. Installation hardware kits and cable ropes are sold separately and are required for safe mounting.

How much UV does it block?
The woven fabric is rated to block approximately 95% of harmful UV, reducing sun exposure and heat in the shaded area.

Is the fabric recycled material?
No. The sail is made from 100% virgin HDPE that has been UV stabilized for longer outdoor life.