COTI (LR 5x25 U 13x35)

Description

The LR 5×25 U 13×35 – Coti perforated sheet metal Coti an elongated appearance, with 5×25 mm oblong perforations arranged in an orthogonal alignment, with a pitch of 13 mm in the short direction and 35 mm in the long direction. With this perforated sheet metal geometry, the air gap is close to 20%, a level that is ideal for combining functional airflow, controlled light transmission, and a soothing visual effect. The perforated grille in a linear arrangement is clearly identifiable: when backlit, the shadows form a stable grid pattern, with a more noticeable orthogonal effect depending on the orientation of the installation. The 5×25 mm oblong perforated hole creates an elegant and directional graphic effect. When installed horizontally, it visually elongates urban fences and lightens the volume they cover; when installed vertically, it accentuates the feeling of height and improves visibility in a sunscreen. This perforated pattern is suitable for cladding, technical room doors, household waste equipment covers, openwork partitions, and modern street furniture when moderate ventilation and effective background masking are required. Perforated with a 13×35 mm "U" spacing and a 5×25 mm openwork hole in an oblong outline, the material bridges are approximately 8 mm in the short direction (13 – 5) and 10 mm in the long direction (35 – 25). The orthogonal visual pattern provides slightly more directional performance than an offset mesh, but these material reserves remain comfortable and promote rigidity: • with 1.5 mm steel, reasonably sized unframed formats are possible depending on the exposure; • preferably orient the folds perpendicular to the long length of the oblongs to maximize stability; This perforation with 18% open area provides regular micro-ventilation and moderate light transmission, while significantly limiting direct views. The 5×25 mm slits reduce the introduction of objects and finger grip, which is useful in accessible areas. Made of 1.5 mm thick galvanized steel, the price of LR 5×25 U 13×35 – Coti perforated sheet metal Coti generally between €57 and €95/m² for a 100 m² development project.

Uses

LR 5x25 U Coti perforated sheet metal Coti mainly Coti for filling guardrails, city separation grilles, technical fences, or urban facade cladding. The oblong perforations, arranged in regular lines, reduce visibility in a specific direction, producing a progressive screening effect depending on the viewing angle, mainly in the opposite direction to the oblong shape. This optical property makes the sheet metal a material of choice for preserving the privacy of apartment building balconies, outdoor terraces, walkways, and engineering structures, while allowing for natural air and light circulation. Coti perforated sheet metal Coti also Coti in ventilation cladding, technical covers, or protective screens, where partial concealment and durability are priorities. Its straight perforated pattern evokes industrial precision and visual order, making it suitable for both public architecture and high-end residential projects. Thanks to its small aperture and high metal content, LR 5x25 U 13x35 perforated sheet offers high mechanical strength and excellent stability. It is suitable for environments subject to high mechanical stress, such as exterior guardrails, high wind areas, or protective cladding.

Team advice

For an optimized range/price ratio, we recommend COTI sheet metal COTI Galvanized steel, thickness 1.5 mm