BIOCLIMATIC PERGOLAS

BIOCLIMATIC PERGOLA

We offer an exclusive and original concept of bioclimatic lamellar pergolas that will change your outdoor stay into a comfortable and enjoyable experience regardless of the weather. The Misteral bioclimatic pergola stands out on the market with its movable groove, which automatically adjusts to the lamellar rotation angle so that heavy rain does not cause problems and water does not drizzle on the terrace. The patented drainage solution of pergola allows you to open the lamellas immediately after rain, without worrying about water dripping on the terrace, and immediately allow the sun to enter the terrace.

Misteral's bioclimatic pergolas offer the largest lamellar rotation angle on the market, providing maximum sunlight when you need it most.

Technical details of Misteral bioclimatic pergolas

Bioclimatic Pergola – Correct Slat Orientation for Maximum Comfort and Functionality

When discussing bioclimatic or louvered pergolas with clients, a common question arises: what is the correct orientation for the slats?

Only a few pergolas on the market can meet the requirement of having slats parallel to the building. Besides our Misteral pergola, there is only one other solution available.

Technical Features Needed for Slats to Be Parallel to the Building:

• A properly designed pergola structure,

• A wide slat rotation angle (up to 160° for the Misteral pergola),

• Slim yet structurally strong slats.

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Why Is a Wide Rotation Angle So Important?

In winter, the Sun sits relatively low in the sky, depending on the date and Slovenia’s latitude:

• The lowest point occurs at the winter solstice (around December 21).

• At approximately 45.5° north latitude, the Sun rises to only about 21–23° above the horizon at noon.

• In summer, at the solstice (around June 21), the Sun climbs to roughly 68–70° above the horizon.

In winter, we want as much sunlight as possible to enter through large windows and sliding doors—especially important for low-energy and passive houses. In summer, the goal is to provide effective shading for the terrace and a pleasant cooling effect, while still allowing plenty of natural light to reflect between the slats.

What Is a Bioclimatic Pergola, and What Should It Provide?

A bioclimatic (or louvered) pergola should offer the following:

In summer, it should feel airy, like sitting under a tree canopy. Heat rises through the slats, creating a pleasant climate below. For proper ventilation, the slats should remain open throughout the day while still providing shade.

• Example: terraces facing south, southwest, or southeast.

• If the slats were perpendicular to the building, they would need frequent adjustments throughout the day to provide consistent shade—practically impossible. With slats parallel to the building, shade is ensured all day (e.g., with a 30° opening).

In winter, a parallel slat orientation allows maximum sunlight to enter the interior, optimizing natural warmth.

Additional Advantages of the Misteral Pergola with Parallel Slats:

• Aesthetically cleaner – all exterior blinds and pergola slats align perfectly, offering an unobstructed view of the sky,

• Better rainwater drainage – for a pergola measuring 6,000 × 3,000 mm, perpendicular slats provide only one slat field (2 gutters), while parallel slats provide two fields (4 gutters), keeping the terrace completely dry even during heavy rain,

• Stronger structure – an additional intermediate profile increases load capacity for snow and wind resistance (up to 200 km/h) and allows the installation of LED lights, heaters, or fans.

Misteral Bioclimatic Pergola – a Long-Lasting Solution for Decades

A Misteral bioclimatic pergola should be carefully designed to match the user’s needs and expectations. A well-designed pergola will last for decades and provide full functionality during all seasons.

Misteral Company and Pergolas at a Glance:

• Over 3,500 bioclimatic pergolas installed,

• More than 400 pergolas annually,

• Up to 25 years warranty!

ENHANCE YOUR EXPERIENCE WITH MISTERAL' BIOCLIMATIC PERGOLA

We offer a unique flexible construction that puts us one step ahead of the competition. In a single construction, a lamellar pergola, a pergola with a fixed roof, a carport and a canopy above the entrance can be implemented. Misteral's bioclimatic pergola easily adapts to any facility, whether it's an existing building, a new construction, or a renovated building. In addition to superior aesthetics, with Misteral's bioclimatic pergola you also gain many unique advantages that go beyond competitive products.

Each Misteral's bioclimatic pergola is painted with a special anti-corrosion powder coating, which allows the pergolas a long-lasting function and aesthetics even when installed near the sea.

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