Rectangular Shade Sail

Straight from the people who make it.

We have been making shade sails in our own workshop since 1944 — for homes, schools, councils and commercial projects in over 150 countries. Buy here and you are buying at the factory door, with our workmanship warranty behind it.

Fit GuaranteeIf your custom sail doesn't fit the space you measured, we make you a new one free — and you keep the first one.How the Fit Guarantee works
Made in our own workshopCut and sewn by us in Dargaville, New Zealand, since 1944 — and shipped worldwide from the factory door.Our story since 1944
Rated to 85 mphThe same sails we manufacture for resellers across the US. Correctly installed and tensioned, on adequate fixing points.Fabric specifications
One price, to your doorUp to 5 days to make, 3–7 days express freight. Duties, taxes and tariffs all included — nothing to pay on delivery.Shipping and lead times
10–15 year warrantyMonotec 370 and Commercial 95 carry 15 years. ExtraBlock 330 and Shadetec 320 carry 10.Read the warranty

Description Document

Specification

Installation

FAQ's

Engineered for longevity and architectural adaptability, our Rectangle Shade Sail is the perfect choice for shading large outdoor areas with clean, modern lines. Built with a strong 38mm reinforced webbing edge and triple stitching using premium PTFE thread, this design ensures exceptional durability and long-lasting tension stability.

The rectangular geometry maximises usable shade, making it ideal for poolsides, driveways, outdoor dining spaces, patios, and commercial environments. Its slightly curved edges help maintain tight, even tension across the sail, reducing sagging and enhancing both appearance and performance. Each corner is fitted with a high-quality 316 stainless steel D-ring, reinforced with multiple layers of webbing to withstand wind loading and seasonal conditions.

Available in top-tier fabric options — Monotec, Extrablock and Shadetec — and a diverse colour palette, this sail provides outstanding UV protection while blending seamlessly into your outdoor design. Whether you’re creating a backyard oasis or a high-use commercial shade area, the Rectangle Shade Sail offers an elegant, efficient, and long-lasting solution.

Shape: Rectangle
Fabric Options: Shadetec 320, Extrablock 330, or Monotec 370
UV Protection:
Shadetec 320: Up to ~93% UV block; ~85% shade factor
Extrablock 330: Up to ~95% UV block; ~90% shade factor
Monotec 370: Heavy-duty, high tensile strength with exceptional UV performance
Fabric Weight:
Shadetec 320: ~320 GSM
Extrablock 330: ~330 GSM
Monotec 370: ~370 GSM
Edge Construction: 38mm reinforced webbing, triple-stitched with PTFE long-life thread
Corners: 316 marine-grade stainless steel D-rings with multiple layers of reinforcing webbing
Design: Curved sides engineered for optimal tension and reduced sag
Installation: Compatible with posts, wall plates, fascias, and combined anchor points
Weather Resistance: Suitable for permanent or seasonal installation; Monotec recommended for windy or coastal areas
Included: DIY installation guide and recommended hardware options
Colours: Wide range across all three fabric types

Use Cases: Pools, patios, courtyards, driveways, carports, commercial seating areas

Installation Guide

Step 1: Choose the Right Location.

Before installation, select an appropriate location that offers sturdy anchor points and provides the coverage you need. Consider:

• Sun Exposure: Ensure the sail provides shade where it’s most needed.

• Anchor Points: Identify strong structures like walls, posts to serve as your sail’s support.

Step 2: Gather Tools and Materials

Ensure you have everything needed for a smooth installation:

• Shade Sail in your preferred size and shape.

• Fixings and Hardware such as turnbuckles, D-shackles, eye bolts, and pad eyes.

• Posts (if no existing anchor points are available).

• Tools like a drill, wrench, measuring tape, and ladder.

Step 3: Prepare the Area.

Clear the designated space to ensure an easy and safe installation. Remove any obstacles, furniture, or debris and confirm the area is accessible for securing anchor points.

Step 4: Install Anchor Points

Strong, secure anchor points are essential for a durable installation. Here’s how to set them up:

Using Existing Structures

• Walls or Beams: Drill holes and attach eye bolts or pad eyes into a solid surface like timber , steel or concrete . Brick masonary is not normaly reccomended. Ensure the fixtures are firmly secured to handle tension.

Installing Posts

• Placement: If posts are needed, position them to align with the shade sail’s attachment points.

• Setting Posts: Dig holes one-third the length of the posts and fill with concrete for stability. Allow the concrete to cure fully before attaching the sail.

Step 5: Attach the Shade Sail

With anchor points in place, it’s time to secure the shade sail:

1. Start with One Corner: Attach one corner of the sail to an anchor point using a D-shackle or turnbuckle.

2. Continue Around the Sail: Repeat the process for the remaining corners, connecting each to its anchor point.

3. Secure Tightness: Gradually tighten turnbuckles to ensure the sail is taut but not over-stressed.

Step 6: Check Fixings for Security

After securing the sail, inspect all connections to ensure they are tight and stable:

• Tighten turnbuckles to eliminate slack.

• Check for any loose bolts or fittings.

Step 7: Perform Final Adjustments

Make any necessary adjustments to ensure the sail is evenly tensioned:

• Alignment: Ensure the sail is evenly stretched between anchor points.

• Stability: Verify that all fixings are secure and capable of withstanding wind and weather.

Step 8: Maintain Your Shade Sail

Regular maintenance keeps your shade sail in top condition:

• Clean Periodically: Use a mild detergent and water to remove dirt and debris.

• Inspect Fixings: Check for signs of wear or rust and replace damaged components.

• Re-tension When Needed: Over time, the sail may stretch slightly, so tighten the fixings as necessary.

Compare fabrics

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01 Lifestyle

In Use

As a shade sail

02 20 cm

Swatch

~20 cm away

03 10×

Macro

Microscopic close-up

The honest answer

Why does our shade sail cost more than the one at the hardware store?

Specification comparison
Specification	Hardware-store sail	Shade Space
Fabric weightA 125gsm sail weighs about the same as a light bedsheet Compare our four fabrics	125–200 gsm	320–370 gsm
WeaveHow the fabric holds its shape under tension See the weave up close	Tape/tape — flat woven, stretches and sags	Monofilament — locks against the weave
UV block90% to 95% is half the UV getting through, not 5% better UV ratings by fabric	"Up to 95%", untested	Up to 98%, published per fabric
ThreadThe first thing to fail on a cheap sail How we stitch a sail	Polyester — degrades in UV	SolarFix® PTFE — outlives the fabric
Edge reinforcementCable or webbing — both engineered, neither hemmed Cable vs webbing edges	Hemmed	38mm webbing, triple-stitched
Corners & fixings See the hardware	Grommets	316 marine stainless D-rings, layered reinforcement
Fire rating Which fabrics are certified	None	NFPA 701 / ASTM E84 / CA Title 19 (select fabrics)
Who honours the warrantyRead the small print on any reseller's site Our workshop since 1944	The fabric mill — not the seller	Us. We made it.
Warranty length Read the warranty	3 years — storm damage excluded	10–15 years
Realistic life How to make it last	2–3 years	10–15 years

where to install a rectangle shade sail?

Our Rectangle Shade Sail is the ideal solution for shading large or extended spaces where broad, uniform coverage is essential. Its clean lines and long sides make it a natural fit for pools, patios, parking spaces, and any area where you want a modern, uninterrupted shade zone. Whether you’re upgrading your backyard or designing a commercial outdoor area, this shape provides the perfect balance of practicality and architectural refinement.

Poolsides & Swimming Areas

This shape runs beautifully along the edge of a pool, offering consistent shade without blocking natural light. It reduces heat buildup, protects swimmers from UV exposure, and creates a sleek, resort-style atmosphere.

Outdoor Dining & Entertainment Zones

Perfect for long tables, BBQ areas, and patio lounges. The rectangular design offers strong overhead shade, making your outdoor space comfortable at any time of day.

Driveways & Carports

Provides full-length vehicle protection from harsh UV rays and heat. Its straight edges align perfectly with driveway boundaries for a clean, structured look.

Walkways & Building Wrap-Arounds

Ideal for long, narrow paths beside a house or building. This shape helps cool exterior walls and creates a shaded corridor that improves comfort and usability.

key features.

Every Rectangle Shade Sail is built for strength, efficiency, and long-term weather performance. With reinforced stitching, commercial-grade materials, and a design that spreads tension evenly across the fabric, this shape is one of the most reliable and versatile shade solutions available.

Large, uniform shade coverage: Designed for wide or elongated areas where consistent shade is essential.
Reinforced 38mm webbing edge: Triple-stitched using UV-resistant PTFE thread for long-term durability.
Sleek, architectural form: Clean lines suit modern homes, poolsides, and commercial outdoor spaces.
Curved edges for optimal tension: Reduces sagging and keeps the sail tight and visually smooth season after season.

If you’re shading a long or open area and want performance, style, and durability in one solution, this shape is the perfect choice.

Frequently Asked Questions

It offers the most consistent and extensive coverage for long or wide areas. If your space is rectangular, this shape will naturally fit and perform best.

Yes. The design includes subtly curved sides that help maintain even tension across the fabric, preventing sag and keeping the sail visually smooth.

Absolutely. Its large coverage area and strong edge construction make it a favourite for cafés, playgrounds, childcare centres, and outdoor seating areas.

Yes. Mixed anchor points (walls + posts) are very common and help maximise coverage while keeping the design clean and minimal.

All options perform well, but Monotec 370 is ideal for extra-large or high-wind installations due to its higher tensile strength.