Compatible with a traditional masonry fireplace, the decorative and bi-fold Pleasant Hearth Ascot Collection Glass Fireplace Doors have a 1-piece welded frame and a high-heat, powder-coated black finish. Designed as a surface mount, these track-free doors sit outside the fireplace opening against a flat surface and help reduce heat or cool air loss up the chimney by as much as 90% for year-round energy savings. Made of clear tempered glass, these doors have an easy-grip design, open 180°s so you can enjoy a full fireplace view and feature easy-catch magnets, easy-grip handles, thick heat-resistant insulation and hidden damper control knobs for airflow control. The mesh panels located behind the doors should always be closed and glass doors opened when you have a fire going. Simple to install in 3 easy steps, these fireplace doors are ideal for complementing any decor style and are fully assembled. To ensure correct size, measure the opening width and height of your fireplace before ordering Surface-mount design is easy to install in 3 simple steps High-heat, powder-coated black finish for lasting durability and beauty Easy-open mesh panels help contain sparks and embers Fits openings 30 in. to 37 in. wide and 22.5 in. to 29.5 in. tall Compatible with masonry fireplaces only; not for prefabricated Always keep mesh panels closed and glass doors open when you have a fire going Bi-fold, track-free doors feature easy-catch magnets and 4 in. easy-grip handles 3/16 in. clear tempered glass doors open 180° for a full view of fireplace Comes fully assembled; only door handles need to be attached Product Weight (lb.): 35 Color Family: Black Size: Small Accessory Type: Fireplace Doors Screen panels included: Yes Glass Color: Clear Fireplace Opening Width (In.): 37 Fireplace Opening Height (In.): 29.5 Product Depth (i