Resources for specifiers

Learn how louvers actually work.

Short, technical, no-fluff explainers for architects, MEP engineers, and contractors. Written by us; updated as standards evolve.

How Louvers Work

Free area, water penetration, and pressure drop — the three numbers that decide every louver spec.

Sight lines, wind loading, and mount strategies for hiding rooftop mechanical.

Solar geometry and blade angles — turning latitude into shade and daylight.

A guided selector: pick by application, weather exposure, or performance.

What a 50% free area really means at 48"×48" — and why it matters for your wall opening.

Ready to spec your project?

Specifications are easy. Edge cases are where experience matters. Call us with the weird ones.