Shade&Beyond Triangle Sun Shade Sail 20'x20'x20' Blue — 185gsm Permeable Canopy, 85–88% UV Block

Shade&Beyond Triangle Sun Shade Sail is a 20'×20'×20' breathable HDPE canopy that provides high sun protection and airflow for patios, decks, gardens, and pools.

This lightweight triangular shade sail from Shade&Beyond is made of 185 gsm high-density polyethylene fabric designed to reduce solar exposure while promoting air movement beneath the canopy. Built with reinforced seams and stainless-steel D-rings, the sail offers a robust, long-lasting solution for creating shaded outdoor spaces. The fabric is perforated for breathability and features curved edges to help shed rainwater; note that the sail is not waterproof and should be removed in severe weather.

How does this shade sail keep my outdoor area cooler?

The perforated HDPE fabric blocks a large portion of solar radiation while allowing airflow, reducing heat buildup under the canopy without trapping humidity. The material reflects and absorbs sunlight rather than holding it, helping the shaded space feel noticeably cooler during sunny hours.

• 185 gsm high-density polyethylene fabric for thermal performance
• Permeable weave that promotes cross-ventilation
• Curved edges designed to prevent water pooling and maintain airflow
• Provides approximately 85%–88% sunshade per product specifications

What are the key features and durability details?

This sail uses reinforced stitching and stainless-steel D-rings at each corner to withstand normal outdoor use. The construction balances strength with flexibility so the canopy resists tearing while conforming to mounting points. For maximum longevity, remove the sail during storms and avoid leaving it under heavy snow or ice.

• Reinforced seams and corner webbing for improved strength
• Stainless-steel D-rings for secure attachment to hardware
• Curved edge design reduces strain and prevents water buildup
• Not waterproof—recommended removal in extreme weather

How should I size and install the 20' triangle sail?

Measure from D-ring to D-ring and allow extra space for hardware; plan the sail size to be roughly 88% of the intended installation span to prevent sagging. Leave 1.5–2 feet between each D-ring and mounting point for turnbuckles, snap hooks, or other hardware (hardware not included). Anchoring to robust fixed points—posts, walls, or pergola beams—ensures safe, stable installation.

• Measure corner-to-corner (D-ring to D-ring) before ordering or mounting
• Allow 1.5–2 ft for hardware between sail D-rings and anchor points
• Choose solid mounting points: posts, beams, or masonry anchors
• Consider sizing at ~88% of area dimensions to reduce sag

How do I care for and maintain the shade sail?

Routine care keeps the sail performing and looking good: periodically rinse off dirt, dry thoroughly before storage, and stow it during high winds or snow. Avoid harsh chemical cleaners and abrasive brushes; mild soap and water will remove most stains without harming the fabric.

• Rinse with fresh water and mild soap for routine cleaning
• Fully dry before folding and storing to prevent mildew
• Remove during severe weather for best longevity
• Inspect seams and D-rings periodically for wear

Who is this shade sail for? Homeowners and renters who want an effective, breathable sun canopy for patios, decks, pergolas, pool areas, or gardens will find the Shade&Beyond 20' triangle sail a practical choice. It's especially suited to outdoor spaces where airflow and UV reduction are priorities but full waterproofing is not required. If you need a custom dimension, Shade&Beyond offers custom sizing options to fit unique layouts and mounting arrangements.