LR 420FFixed Window
An impact-rated fixed window system developed for expansive daylight, custom architectural forms and dependable coastal performance.
- Standard fixed and fixed-casement configurations
- Custom circle, triangle and arch forms for fixed frames
- Large uninterrupted glass surfaces maximize natural light
Framing natural light with modern elegance.
LR 420F combines expansive fixed glazing, strong aluminum framing and custom architectural forms in one coordinated system.
Architectural Forms
Standard fixed, circle, triangle and arch configurations support modern and classical architectural compositions.
Maximized Daylight
Large uninterrupted glazed areas increase daylight penetration and maintain clear exterior views.
Structural Performance
Engineered aluminum framing supports stability, durability and dependable long-term performance.
Minimal Appearance
Slim profiles and clean sightlines create a refined contemporary architectural expression.
LR 420F Technical Details
TECHNICAL SPECIFICATIONS
- Fixed Window Frame Depth3″
- Fixed Casement Jamb Depth3″
- Fixed Window Jamb Height3 1/4″
- Fixed Casement Jamb Height3 7/16″
- Maximum Size42″ × 90″
- Maximum Design Pressure±90
- System DetailsFlush Frame Adaptor / Clipless Mull
- Glass Options7/16″ / 15/16″
Final dimensions, glazing composition and available configurations should be confirmed according to project requirements and the applicable Florida Product Approval documentation.
Technical Resource
LR 420 Installation Guide
Review the recommended installation sequence, preparation requirements and key application details before beginning installation.
Engineered to resist impact.
LR 420F combines expansive fixed glazing with impact-rated construction for residential projects in demanding coastal environments. The applicable Florida Product Approval document is available for technical review.
Impact-Rated Glass Options
Laminated and insulated laminated configurations support impact protection and project-specific performance requirements.
7/16″ Laminated
Available with either a PVB or SGP interlayer for impact-rated protection.
PVB or SGP15/16″ Insulated Laminated
Insulated laminated construction with a PVB or SGP interlayer.
PVB or SGPGlass composition, coatings and interlayers should be selected according to project requirements and applicable approval documentation. Contact our team for configuration guidance.
Architectural details, clearly defined.
Colonial Configurations
Decorative muntin layouts are available to coordinate the fixed window with different residential styles.
Glazing Beads
Square and ogee profile options provide a more tailored architectural expression.
Specify LR 420F for your next fixed-window project.
Connect with our team for sizing, glazing, finish, shape and configuration guidance—or learn how to work with Linea Rossa Design as a dealer.