ColourTree CTSLR Custom Size 20ft x 24ft Red Sun Shade Sail Canopy

Our review of the ColourTree CTSLR 20' x 24' red sun shade sail finds it best for homeowners and small commercial spaces that need long-lasting, high-coverage sun protection. The single biggest reason to consider this sail is its 190 GSM 100% virgin HDPE fabric treated with a UV stabilized compound, which the manufacturer says has been laboratory tested to resist sun damage far better than recycled alternatives; in practice that translates to a fabric that holds color and shape through repeated summers. Installation requires separate hardware, but once mounted the sail delivers broad, breathable shade with strong UV blockage.

Key Features

• 190 GSM virgin HDPE: The thicker, non-recycled material provides a sturdier, more tear-resistant canopy that retains shape in sun and wind.
• UV stabilized compound: Laboratory UV conditioning is designed to slow fading and drying so the sail stays usable for years under direct sunlight.
• 95% UV blockage: The woven fabric significantly reduces UV exposure and lowers ambient temperature beneath the canopy for patio or poolside comfort.
• Breathable woven construction: Air and water pass through freely to prevent pooling and reduce wind lift compared with impermeable covers.
• Reinforced edges and stainless D-rings: Double layered stitched seams and heavy corner stitching create a reliable attachment point for mounting hardware and cables.
• 3 year limited warranty: Cover for normal weather and usage provides extra confidence for outdoor buyers.

Who It's For

The sail is ideal for homeowners with patios, pools, balconies or carports who want a durable, large-area shade that reduces heat and blocks most UV rays; landscapers and small businesses needing a commercial-grade canopy will also appreciate the heavy duty construction. Customers who plan to leave a sail permanently exposed in harsh conditions should combine it with stout mounting hardware and periodic inspections.

Shoppers who want a full installation kit included should look elsewhere, since hardware and cables are sold separately and the maker specifically warns against using nylon rope; also, if you require a fully waterproof tarp rather than a breathable shade, this woven sail intentionally allows water to pass through and is not a waterproof cover.

Pros & Cons

Pros

• Durable 190 GSM virgin HDPE fabric stands up to sun exposure and resists tearing better than recycled material.
• Blocks 95% of UV and lowers temperature under the canopy for comfortable shaded areas.
• Breathable weave prevents water pooling and reduces wind stress on mounting points.
• Reinforced seams and stainless steel D-rings make secure installation possible with proper hardware.

Cons

• Hardware kits and cables are not included, so total cost and installation complexity are higher than an all-in-one product.
• Water passes through the breathable fabric, so it is not a substitute for a waterproof shelter in heavy rain.

Specifications

Size	Custom 20' x 24' rectangle
Material	190 GSM 100% virgin HDPE woven fabric
UV Protection	Approx. 95% UV blockage
Hardware	Stainless steel D-rings on corners, hardware sold separately
Breathability	Permeable weave allows air and water to pass through
Warranty	3 year limited warranty

Our Verdict

The ColourTree CTSLR 20' x 24' red sun shade sail is a sensible buy for anyone who needs a large, heavy duty canopy that blocks most UV and stands up to multiple summers; its 190 GSM virgin HDPE and reinforced construction justify buying quality mounting hardware separately. It is excellent value for patio and pool shade where breathability and long-term color retention matter, but not the right choice if you need included hardware or a waterproof cover.

Frequently Asked Questions

Does this sail block most UV rays?
Yes, the woven fabric is rated to block about 95% of harmful UV, reducing sun exposure beneath the canopy.

Is the fabric waterproof?
No, the fabric is breathable and allows water to pass through to prevent pooling; it is water resistant but not fully waterproof.

Are mounting kits included?
No, installation hardware and cables are sold separately and high quality hardware is recommended for secure attachments.