Undertruss Lanais

Spacious covered porch with ceiling fans overlooking pool.
Modern poolside house with screened sitting area.

Undertruss lanais

An under truss lanai is an outdoor living area located beneath the existing roofline (or trusses) of a home, typically at the rear of the house. It is a covered patio space built into the original structure, meaning the roof that covers it is part of the home’s construction — not an added roof or enclosure.

Key Features:

  • Integrated Roof: The lanai is covered by the home’s main roof, providing built-in shade and protection from the elements.
  • Structural Simplicity: Because it's already built under the home’s trusses, it doesn’t require additional engineering for a roof structure.
  • Ideal for Screening: Homeowners often install screen enclosures or aluminum frames to create a bug-free, breezy outdoor space.
  • Low Maintenance: With no exposed roof panels or exterior framework, it's easy to clean and maintain.

Benefits:

  • Cost-Effective: Since there's no need to construct a new roof, enclosing an under truss lanai is often more affordable than building a freestanding patio or enclosure.
  • Aesthetic Consistency: It blends seamlessly with the home’s architecture, often boosting curb appeal and resale value.
  • Florida-Friendly: Especially common in Florida homes, where outdoor living is essential, and keeping out mosquitoes is a must.

Screened patio area with tiled floor and black mesh screens.