17 ft x 17 ft x 24 ft Right Triangle Sun Shade Sail - 95% UV Block

Our review of this large right triangle sun shade sail finds it best for homeowners and small businesses who need broad, flexible sun protection without a rigid frame. The biggest reason to buy is the strong combination of 95% UV protection and a heavy 200 GSM HDPE weave that keeps covered areas noticeably cooler. Installation is straightforward for anyone comfortable with basic mounting hardware, and the option to order to measure means a tailored fit for patios, play areas, or outdoor seating.

Key Features

• 95% UV blockage: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays, making shaded areas safer for prolonged outdoor use.
• Temperature reduction: In follow-up use the sail cuts ambient temperature by as much as 15 degrees compared with unshaded spots, improving comfort on hot days.
• Water and air permeable: The open weave lets water and air pass through so the cover reduces heat without trapping moisture or creating wind sail effects.
• Custom sizing: The product is made to order from D-ring to D-ring, allowing a precise fit for irregular spaces or where straight edges are preferred.
• Reinforced construction: Stainless steel D-rings, reinforced edges and double-layer stitching increase resistance to fraying and daily wear.
• Three year assurance: A limited three year assurance is included, which gives extra confidence for commercial or long-term residential use.

Who It's For

This sun shade sail is ideal for homeowners with medium to large patios, cafes and small commercial patios, playgrounds, and poolside areas that need broad, angled coverage. The custom-to-measure option suits people who cannot use fixed frames or want to fit the sail between trees, walls, and poles.

It is less suitable for buyers who need a rigid, waterproof canopy for heavy seasonal storms or those who prefer a quick pop-up umbrella solution; the fabric is water permeable and intended for sun protection rather than full rainproof shelter.

Pros & Cons

Pros

• Excellent sun protection with up to 95% UV blockage for safer outdoor time.
• Noticeable cooling effect, reported up to about 15 degrees in shaded zones.
• Durable hardware and reinforced seams reduce early failure when installed correctly.
• Custom sizing and flexible attachment points make it adaptable to many layouts.

Cons

• Durability reports are mixed; some users had long service while a few reported degradation after a year, so exposure conditions affect lifespan.
• Not fully waterproof-designed to be water permeable rather than a rainproof awning.

Specifications

Shape	Right triangle
Size	17 ft x 17 ft x 24 ft (measured D-ring to D-ring)
Material	200 GSM HDPE fabric
UV Protection	Up to 95% blockage
Permeability	Water and air permeable
Hardware	Stainless steel D-rings with reinforced edges
Assurance	3 year assurance included

Our Verdict

For anyone who needs a large, tailored sunshade that prioritizes UV protection and cooling, this right triangle sail is a strong value. It combines heavy-duty 200 GSM HDPE fabric, reinforced fittings, and custom sizing to suit irregular outdoor spaces; buyers who need full waterproofing or absolute long-term UV resilience in extreme sun may want to monitor wear, but most users will find the protection and flexibility worth the price.

Frequently Asked Questions

Is this sail waterproof?
This sail is water permeable by design, so it reduces sun and heat but does not act as a fully waterproof canopy.

How are measurements taken?
Measurements are taken from D-ring to D-ring, and the product is made to order to match those dimensions for a precise fit.

Can it be mounted to trees and walls?
Yes, it is intended for flexible installation and can be attached to trees, roofs, walls or poles using appropriate mounting hardware and correct spacing at each corner.