RadiantGUARD Garage Door Insulation Kit - Pre-Cut 16 Panels for 2-Car Doors

Overview

Upgrade your 2-car garage with the RadiantGUARD Garage Door Insulation Kit. This reflective system is designed to help manage radiant heat, reflecting up to 95% away from the door surface and contributing to a more stable workspace across seasons.

Designed for DIY installation, the kit ships with sixteen pre-cut panels (2 ft by 4 ft) and one hundred 1-inch adhesive foam pieces, offering a customizable fit for most panel configurations. The material includes a vapor barrier and a radiant barrier, creating a layered shield that also helps protect valuables from moisture and dust while maintaining visibility with a brighter interior.

What you get

• Sixteen pre-cut 2-ft x 4-ft insulating panels for a precise, customizable fit
• One hundred 1-inch double-sided adhesive foam pieces to secure panels

Key benefits you may notice

• Reflects up to 95% of radiant heat, aiming for more comfortable summers and winters
• Helps stabilize garage temperatures, supporting consistent space for tools, vehicles, and projects
• Acting as a winter heat shield, it may contribute to lower heating needs while keeping belongings protected
• Lightweight construction suits metal, wood, and roll-up doors without adding significant bulk
• Clear-silhouette appearance and reflective surface can improve lighting by bouncing available light
• Durable, rust-resistant finish backed by a vapor barrier to reduce moisture exposure
• Meets ASTM testing standards and carries a Class A/Class 1 fire rating for safety and compliance
• Support from RadiantGUARD's friendly team to help you achieve the best results

From a practical standpoint, you’re choosing a modular kit that can adapt to different door configurations, offering a polished, professional look when installed. The combination of barrier layers and the lightweight, pre-cut panels keeps the project approachable for weekend DIY enthusiasts while delivering a performance-minded solution for year-round comfort.