Shop for fiberglass box

This single Gang 18 cu. in. Switch or Receptacle Box is suitable for use in old work applications. Includes leveling ribs that position the face of the box parallel to the wall surface. This premium box features fiberglass construction, is UL listed and carries a 2-hour fire rating. Material: Polycarbonate.

This single Gang 22.5 cu. in. Switch or Receptacle Box is suitable for use in new work applications. This premium box features fiberglass construction, is UL listed and carries a 2-hour fire rating. Material: Polycarbonate.

The Master Flow 12 in. x 12 in. Duct Board Insulated Register Box - R6 is pre-insulated and ready to use for easy installation. This box features R6 fiberglass insulation that will help provide high thermal efficiency, control condensation and absorb system noise. This box can be used with multiple collar sizes for your convenience.

This 2-Gang 32.5 cu. in. Switch or Receptacle Box is suitable for use in Old Work applications. Including leveling ribs that position the face of the box parallel to the wall surface. This premium box features fiberglass construction, is UL listed and carries a 2-hour fire rating. Material: Polycarbonate.

This 2-Gang 37 cu. in. Switch or Receptacle Box is suitable for use in New Work applications. This premium box features fiberglass construction, is UL listed and carries a 2-hour fire rating. Material: PVC.

This 3-Gang 56.5 cu. in. Switch or Receptacle Box is suitable for use in New Work applications. Also it's easily mounted with nail on - angled mid nails which are pre set on the box. This premium box features fiberglass construction, is UL listed and carries a 2-hour fire rating. Material: PVC.

This 4 in. Round 22.5 cu. in. Fan and Fixture Support Box is designed for New Work applications. This premium box features fiberglass construction, is UL listed and carries a 2-hour fire rating. Nail - on - fetter ring nails included. Material: PVC.

This 4 in. Round 22.5 cu. in. Outlet Box is designed for New Work applications. This premium box features fiberglass construction, is UL listed, and carries a 2-hour fire rating. Fixture rated to 50 lbs. Material: Polycarbonate.

This 4-Gang 75 cu. in. Switch or Receptacle Box is suitable for use in New Work applications. This premium box features fiberglass construction, is UL listed, and carries a 2 hour fire rating. This high quality electrical box is proudly made. Material: PVC.

SVOPES Electrical Enclosure Box - Secure Your Equipment with Confidence. IP66 Waterproof Protection, Heavy-Duty Fiberglass, Ideal for DIY and Industrial Use. Designed for superior durability, this electrical enclosure box is made from high-quality fiberglass reinforced polyester, providing unmatched protection against harsh environments. Whether you're installing equipment indoors or outdoors, it offers IP66-rated waterproof and dustproof sealing, ensuring your power supplies, circuits, and connectors stay safe and secure. Ideal for industries ranging from construction to hotel installations, this enclosure is built to last through all seasons, providing reliable performance year-round. Robust Fiberglass Structure, IP66 Waterproof Rating, Strengthened Lock and Hinge, User-Friendly Operation. Material: Steel.