Measure the fixing zones, not just the opening
Clear width and drop are only part of the picture. The available structure for the cassette, side guides and fasteners must also be recorded accurately.

Outdoor systems · practical guide
Very wide outdoor openings require more than scaling up a small residential blind. Structure, cassette format, fabric behaviour and installation access all become more important as size increases.

Clear width and drop are only part of the picture. The available structure for the cassette, side guides and fasteners must also be recorded accurately.
Large-format products exist because wider and taller openings place different demands on the cassette, guides and fabric. The project should be matched to the suitable system pathway rather than forcing an undersized format to fit.
A large blind presents a larger surface to the weather. Wind behaviour, severe-weather operating rules and site exposure should be part of the selection process.
Long cassettes and large fabric assemblies may need additional handling space and lifting support. Delivery and installation access should be checked before the final size is confirmed.
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