Sliding Glass Pet Door Inserts & Dog Doors

• Double flap design provides maximum weather protection — ideal for timid pets or multiple animals
• Premium ⅞" thick flaps with insulation equivalent to dual-pane glass
• Adjustable magnet strength rated for winds up to 50 mph
• Translucent flaps with internal barriers reduce air currents and drafts
• Temperature protection from -40°F to 110°F — engineered for Utah's extreme climate
• Tool-free installation with molded ABS locking cover and C-Clamp Security Lock included

Premium Endura Flap double-flap insert for sliding glass and patio doors. Tool-free installation fits vinyl and aluminum frames. Custom-built to your exact dimensions. Includes molded ABS locking cover and C-Clamp Security Lock.

Every Endura Flap pet door installed by Utah Window Experts is backed by a 15-year manufacturer's warranty against defects in materials and workmanship. Professional installation and ongoing support available.

• Award-winning Endura Flap technology — ⅞" thick flaps provide insulation equivalent to dual-pane glass
• Single flap design perfect for confident pets — easy entry and exit
• Adjustable magnet strength maintains seal against winds up to 50 mph
• Translucent flap with internal barriers reduces air currents while allowing pet visibility
• Temperature rated from -40°F to 110°F for Utah's seasonal extremes
• Professional installation or DIY options available — your choice

High-performance single-flap insert custom-built for your sliding glass door. 6" step-over height for large pets. Fits vinyl and aluminum frames. Tool-free installation with professional or DIY options available.

Backed by 15-year warranty against defects in materials and workmanship. Maintenance-free design with no moving parts to wear out. Available in white or tan finishes.

• Endura Flap ⅞" thick flap technology — professional-grade weather protection at accessible pricing
• Perfect for small to medium-sized pets with 4" step-over height
• Adjustable magnetic closure maintains seal against up to 50 mph winds
• Maintains insulation performance equivalent to dual-pane glass
• Temperature protection from -40°F to 110°F — built for Utah's climate
• Excellent value for homeowners seeking proven pet door performance without premium pricing

Sized for smaller pets and cats with 4" step-over height. Custom-built to your door dimensions. Tool-free installation with comprehensive instructions. Includes molded ABS locking cover and C-Clamp Security Lock.

Backed by 15-year warranty against defects in materials and workmanship. Maintenance-free construction. Available in white or tan finishes. Same award-winning Endura Flap technology at accessible pricing.