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Shade Sail Boutique UK

Reliable UV shade for gardens, patios and balconies
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Coolaroo • square • broad shade coverage

Coolaroo square shade sails

A square Coolaroo shade sail creates a large, balanced area of shade from four anchor points. It is particularly effective over patios, outdoor seating and dining areas, swimming pools, children's play areas, school grounds and larger recreational or commercial spaces.

The square shape makes efficient use of the area between its four fixing points and provides substantially more shade than a triangle of comparable overall dimensions. Coolaroo square shade sails are available in a number of different ranges, allowing you to choose the level of fabric performance and appearance that best suits your installation. Everyday for normal use, Premium as a step up for more demanding domestic installations, Commercial for larger sails and heavily used or exposed locations, and DualShade where robust performance is combined with a distinctive two-tone appearance.

Coolaroo square shade sails

Why choose a square shade sail?

A square sail maximises useful shaded area within a regular space. It is particularly effective over patios, garden seating, dining areas, courtyards and other places where broad, balanced coverage is the priority.

Its four anchor points distribute tension around the sail and create even coverage. Varying some fixing heights gives the sail a more dynamic form and helps water run off.

For comparable overall dimensions, a square provides substantially more shade than a triangle. If the area is long and narrow, however, a rectangle may better match the space.

Choosing the right square shade sail size

The stated dimensions are the size of the sail itself, not the distance between the four anchor points. Choose a sail that covers the required area while still leaving enough room at every corner for proper tensioning.

With our standard fittings, normally allow 280–365 mm between each corner of the sail and its anchor point. Measure the available length and width between the proposed anchors before choosing the sail size. If an anchor is further away, the connection can be extended using suitably rated steel cable or chain.

With a large square sail, the quality and position of all four anchor points become particularly important. Our installation guide explains spacing, fixing heights, slope and correct tension.

Available Coolaroo square shade sails

The models currently available are grouped by range with sizes, colours and prices taken directly from our catalogue.

Coolaroo Everyday Range

Fabric: Coolaroo Everyday · 205 g/m²
Manufacturer's fabric guarantee: 5 years

The versatile, economical range for patios, garden seating, outdoor dining and normal family use.

CEVERSQ360 - Square Shade Sail 'Coolaroo Everyday' 3.6 m
Everyday

Square Shade Sail
'Coolaroo Everyday' 3.6 m

3.6x3.6m
Available Colours
Beech Available colour:Beech
Graphite Available colour:Graphite
Slate Available colour:Slate
£145.00
View details →
CEVERSQ300 - Square Shade Sail 'Coolaroo Everyday' 3 m
Everyday

Square Shade Sail
'Coolaroo Everyday' 3 m

3x3m
Available Colours
Beech Available colour:Beech
Graphite Available colour:Graphite
£125.00
View details →

Coolaroo Premium Range

Fabric: Coolaroo Sunhaven · 200 g/m²
Manufacturer's fabric guarantee: 10 years

The step up for long-term domestic installations where a more substantial premium shade sail is wanted.

CPREMSQ360 - Square Shade Sail 'Coolaroo Premium' 3.6 m
Premium

Square Shade Sail
'Coolaroo Premium' 3.6 m

3.6x3.6m
Available Colours
Terracotta Available colour:Terracotta
£180.00
View details →
CPREMSQ540 - Square Shade Sail 'Coolaroo Premium' 5.4 m
Premium

Square Shade Sail
'Coolaroo Premium' 5.4 m

5.4x5.4m
Available Colours
Terracotta Available colour:Terracotta
£285.00
View details →

Coolaroo Commercial Range

Fabric: Coolaroo Commercial · 340 g/m²
Manufacturer's fabric guarantee: 15 years

The choice for larger sails, swimming pools, children's play areas, schools, nurseries, restaurants, hotels and more exposed or intensively used installations.

CCOMSQ540 - Square Shade Sail 'Coolaroo Commercial' 5.4 m
Commercial

Square Shade Sail
'Coolaroo Commercial' 5.4 m

5.4x5.4m
Available Colours
Beech Available colour:Beech
Graphite Available colour:Graphite
£375.00
View details →

Coolaroo DualShade Range

Fabric: Coolaroo DualShade · 340 g/m²
Manufacturer's fabric guarantee: 15 years

Commercial-level performance with Coolaroo’s distinctive two-tone fabric, ideal where appearance matters as much as shade performance.

CDUALSQ540 - Square Shade Sail 'Coolaroo DualShade' 5.4 m
DualShade

Square Shade Sail
'Coolaroo DualShade' 5.4 m

5.4x5.4m
Available Colours
Santorini Available colour:Santorini
Cobblestone Available colour:Cobblestone
£470.00
View details →

Why Coolaroo? Australian shade protection engineered to last

Coolaroo is a wholly owned subsidiary of Australian manufacturer GALE Pacific, created specifically to bring GALE Pacific’s specialist knitted HDPE shade products to the consumer market. GALE Pacific was founded in Melbourne in 1951 and pioneered the world’s first knitted shadecloth in the 1970s. Coolaroo therefore benefits directly from decades of GALE Pacific research, manufacturing expertise and experience developing technical fabrics for demanding UV and outdoor conditions. GALE Pacific later established the world’s largest knitted shadecloth manufacturing facility.

The fabric is what makes Coolaroo special. Its knitted HDPE is designed for prolonged outdoor exposure, with long-lasting UV protection built into the core of every fibre of the fabric. Coolaroo engineers its shade fabric to retain its colour, flexibility and performance through years of intense UV exposure, including the demanding conditions found in Australia. The knitted construction allows air to circulate and hot air to escape, while the fibres do not absorb moisture. Coolaroo shade sails can block up to 95% of harmful UV radiation and are endorsed by Cancer Council Australia.

Coolaroo square shade sails are available in a number of different ranges, allowing you to choose the level of fabric performance and appearance that best suits your installation. The technical specifications shown below — fabric, fabric weight and fabric warranty — come directly from our product database and correspond to the models currently available.

Four tension points

A square sail must be kept under firm, even tension at all four corners. Balanced tension preserves the intended fabric shape and reduces movement in the wind.

Breathable rather than solid fabric

Coolaroo knitted HDPE allows air to circulate and hot air to escape from beneath the sail. A solid waterproof sheet can provide rain protection, but it traps more heat and requires more careful management of slope and water runoff.

Broad shade coverage

The square format is particularly efficient when one sail needs to cover a regular area such as a patio, outdoor lounge, dining area, courtyard or professional space.

Fixings and posts

Every corner needs a structurally suitable anchor point. Whether wall, existing structure or post, the support must be properly sized for the loads created by a firmly tensioned shade sail.

Installing a square shade sail correctly

A square shade sail uses four anchor points. Each must be strong enough for the loads created by a correctly tensioned sail, and all four points must allow the tension to be adjusted evenly.

With our standard fittings, normally allow 280–365 mm between each sail corner and its anchor point. Different fixing heights create a more dynamic form, improve tension and help water run off.

For larger sails, support strength and correct tensioning become particularly important. For greater fixing distances, suitably rated steel cable or chain can be used to extend the connection.

How is a square shade sail fixed?

A square shade sail is tensioned between four strong anchor points. Each corner must connect to a system that securely attaches the sail and allows precise tension adjustment.

Turnbuckle

Turnbuckle

The turnbuckle progressively tensions the sail and helps balance the adjustment between all four corners. A correctly tensioned sail keeps its shape and moves less in the wind.

Snap hook

Snap hook

The snap hook provides a quick connection between the sail and fixing system and makes installation, adjustment and removal easier.

Pad eye or anchor Pad eye or anchor

Pad eye or anchor

The pad eye creates a screwed anchor point on a suitable structure. The eye anchor provides the alternative fixing method according to the support available.

316

316 stainless steel

All components in our kits are made from marine-grade 316 stainless steel, particularly resistant to corrosion and suitable for durable outdoor use.

Allow 280–365 mm for the fittings
!
Allow 280–365 mm for the fittings

With our standard fittings, normally allow 280–365 mm between each sail corner and its anchor point for the turnbuckle, snap hook and anchor fitting. If the anchor point is further away, the connection can be extended using suitably rated steel cable or chain. The supporting structure and anchor point must always be strong enough to withstand the loads from a correctly tensioned shade sail.

Installation guide →

Four-point fixing kits for square shade sails

The four-point fixing kits currently available are shown below. Choose the pad-eye or anchor version according to the fixing point. All components in our kits are made from 316 stainless steel.

Square / Rectangle Fixing Kit (Pad Eyes)
Square / Rectangle Fixing Kit (Eye Anchors)

Square, triangle or rectangle?

Square: excellent shade coverage for patios and regular spaces, using four anchor points.

Triangle: visually lighter, highly flexible and particularly easy to combine with several sails.

View triangular shade sails →

Rectangle: particularly effective for long patios, dining tables and narrow areas.

View rectangular shade sails →

Find your Coolaroo square shade sail

Compare the available sizes, ranges, colours and prices, then open the detailed product page for the model that best suits your installation.