Kalwall offers a diverse range of products for toplighting. Pre-engineered skyroofs are available with Flat or curved panels, these systems span up to 24′ offering the ultimate in energy-efficient, diffuse daylighting. Designed to withstand hurricane-force winds & high snow loads, all are OSHA fall-through compliant. For bespoke top lighting applications, our custom skyroofs offer designers even greater flexibility by combining Kalwall panels with sub-structures designed and installed by others. Take daylighting to another level by combining lightweight, aluminum sub-structures with Kalwall panels to form large clearspan™ skyroofs or complete building frames by Structures Unlimited. Specialty applications include: windborne debris resistance Missile D (Hurricane-rated), blast resistant assemblies, removable roofs, motorized/operable roofs, and Factory Mutual (FM) rated roof assemblies (FM 4471).