Custom Steel Frame Sun Shade Louvers for West Windows

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Custom steel frame sun shade louvers are fixed or adjustable slat panels built into a steel frame, sized to your window and mounted outside the glass to block low afternoon sun from the west. Because they are made to measure, they fit your opening, your wall and your view, and they stop solar heat before it enters the room.

Why west-facing windows get so hot

West-facing windows receive direct sun in the afternoon, when the sun sits low and strikes the glass at a sharp angle. That heat builds up inside the home through the late hours of the day, even when the morning is mild. Interior curtains help only a little, because the heat has already passed through the glass before it reaches them.

Shading the window from the outside is the most effective way to reduce this heat gain, since the sun is stopped before it warms the glass and the room behind it.

How steel frame louvers block the sun

Louvers are angled slats set in a steel frame. They block the low western sun while still letting air move and some daylight through. The slat angle is the key detail: steeper slats block more direct sun, while more open slats keep the view and the light.

Fixed slats for a simple, low-maintenance shade
Adjustable slats that you tilt by hand or by control
Spacing chosen to match how low the afternoon sun sits

Why custom sizing matters

Every window is different in width, height, depth and the wall it sits on. A standard shade rarely fits well, leaving gaps where sun and heat can slip past. A custom frame is measured on site and built to the exact opening, so the louvers cover the glass fully and mount securely.

Custom work also lets us plan the frame around balconies, existing railings and the look of the building, so the shade feels like part of the design.

Materials and finishing

The frame is made from steel, which gives strength and a slim profile that can span wider openings. For outdoor exposure, the steel is finished to resist weather. Hot-dip galvanizing protects the metal from corrosion, and powder coating adds a durable colored finish in the shade you choose.

Your installer and engineer confirm the frame size, wall fixings and load requirements before production, so the finished piece is safe and suitable for your building.

Our process from inquiry to installation

The work starts with an inquiry where you send photos of the window and the surrounding area. We then visit to measure on site, and prepare a drawing and a written specification for you to review. Once you approve the drawing, production takes place in our factory, followed by finishing and installation.

Inquiry with photos
On-site measurement
Drawing and written specification
Your approval
Factory production and finishing
Installation

Planning tips before you order

Think about how much light you want to keep, whether you need the shade adjustable, and how much airflow the room needs. Note any obstacles such as balcony edges, wall material and the distance from the glass to the frame fixing points.

For railings or fixings that must meet safety requirements, the Israeli railing standard SI 1142 is a useful reference. Exact values should always be checked with your engineer rather than taken from general guides.

Frequently asked questions

Do steel louvers reduce heat even when the window is closed?

Yes. Because they sit outside the glass, they block the sun before it warms the window, which lowers the heat that reaches the room whether the window is open or closed.

Can the louvers be adjusted?

They can be. Adjustable slats let you change the angle through the day or across seasons, while fixed slats need no moving parts and require less maintenance.

Will I still get natural light?

Yes, depending on the slat spacing and angle you choose. We plan the design so the shade blocks the harshest direct sun while keeping daylight and the view.

How long does the process take from inquiry to installation?

After the on-site measurement and your approval of the drawing, production happens in our factory and is followed by finishing and installation. We will confirm the timeline with you once your project is defined.

Common mistakes to avoid

A common mistake is ordering a standard size that leaves gaps around the window, letting the sun through anyway. Another is choosing slats without checking how low the western sun falls, which leads to shade that does not block the afternoon heat.

Our recommendation

Measure and plan on site before you decide on the slat angle and spacing, and confirm the wall fixings with your engineer. A custom frame sized to the exact opening usually gives the best heat reduction.

Summary

Custom steel frame louvers placed outside west-facing windows block afternoon sun effectively when they are measured, designed and fixed to your specific opening.

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