Commercial Door Perimeter Seal | 48" Header x 84" Jambs | Flexible Vinyl Bulb | Draft & Smoke Control

Improve the seal around commercial door openings with this 48" x 84" Perimeter Gasket featuring a flexible vinyl bulb seal.

Designed to mount around the head and jambs of a commercial door frame, the gasket helps reduce air infiltration, drafts, dust, light, and noise while improving the overall performance of the opening.

The flexible vinyl bulb compresses against the face of the closed door to create a consistent seal while still allowing smooth door operation.

Key Features

• Commercial-grade perimeter door gasket

• Designed for 48" x 84" door openings

• Flexible vinyl bulb seal

• Installs around the door head and jambs

• Helps reduce drafts and air infiltration

• Helps block dust and debris

• Helps reduce light penetration

• Can help reduce sound transmission around the door perimeter

• Flexible bulb conforms to minor door and frame irregularities

• Suitable for hollow metal, wood, and compatible commercial doors

• Ideal for new installations and replacement applications

Size Configuration

Designed for openings requiring:

• 48" Header Piece

• 84" Jamb Piece

• 84" Jamb Piece

This configuration is commonly used on 4'0" x 7'0" commercial doors.

Always verify the exact door and frame dimensions before ordering.

Vinyl Bulb Seal

The flexible vinyl bulb compresses when the door closes, helping fill the gap between the door and frame.

This can help reduce:

• Air leakage

• Drafts

• Dust

• Dirt

• Light infiltration

• Noise

• Minor environmental intrusion

The flexible design provides sealing pressure without creating excessive resistance during door operation.

Product Specifications

Product Type: Commercial Door Perimeter Gasket
Seal Type: Vinyl Bulb
Header Length: 48"
Jamb Lengths: 84" Each
Opening Size: Commonly 48" x 84"
Application: Door Head & Jambs
Door Type: Commercial / Institutional
Mounting: Surface Mount
Use: Interior / Exterior Compatible Applications

Common Applications

Ideal for:

• Hollow metal doors

• Commercial wood doors

• Office buildings

• Schools and universities

• Hospitals and healthcare facilities

• Warehouses

• Manufacturing facilities

• Government buildings

• Retail facilities

• Mechanical rooms

• Utility rooms

• Institutional buildings

• Commercial exterior doors

Installation Notes

Install the gasket along the frame head and both jambs so the vinyl bulb makes consistent contact with the closed door.

Proper installation should provide a continuous seal without excessive compression.

Before ordering, verify:

• Door width

• Door height

• Frame profile

• Door clearance

• Mounting surface

• Existing weatherstripping

• Required fire or smoke rating, if applicable

What's Included

• (1) 48" Header Gasket

• (2) 84" Jamb Gaskets

Door, frame, threshold, sweep, mounting fasteners, and other hardware are sold separately unless specifically stated otherwise.