The Altus® Window Systems Levelstep™ Sill creates a seamless indoor-outdoor transition. Its low-profile design and raised track allow for flush interior and exterior flooring, resulting in a barrier-free entry. Ideal for modern residential and commercial projects, the LevelStep™ Sill enhances accessibility and aesthetics.
Optional Features:
- Flush, low-profile design – Ensures a seamless transition between indoor and outdoor spaces
- Enhanced accessibility – Ideal for universal design principles and mobility needs
- Superior water management – Engineered for effective drainage to prevent water ingress
- Customisable configurations – Compatible with multiple door systems for flexible installation
- Durable construruction – Built to withstand heavy foot traffic and harsh weather conditions
Core performance aspects

Eliminates trip hazards while creating a visually streamlined connection between interior and exterior spaces.

Designed to meet accessibility standards, the Levelstep™ Sill provides a smooth, easy transition for all users, including those with mobility aids.

Engineered with an innovative drainage system to manage water efficiently, preventing pooling and weather-related damage.
Constructed from high-quality materials designed to withstand heavy use while maintaining its sleek appearance.