Exitex Concealex Automatic Fire Rated Smoke & Acoustic Door Bottom Seal - A8100

Name: Exitex Concealex Automatic Fire Rated Smoke & Acoustic Door Bottom Seal - A8100
Brand: Exitex
SKU: tupzf7umwa
Availability: InStock

The Concealex A8100 Automatic Door Drop Seal is a high-performance door bottom seal designed to he...

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B&Q - Concealex A8100 Automatic Fire Rated Smoke & Acoustic Door Bottom Seal Self-Levelling Draught Excluder Max 14mm Gap826mm

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Product Information

Full details

The Exitex Concealex A8100 is an ideal solution for homeowners and commercial property managers looking to improve the insulation of timber, aluminium, or PVC doors. This automatic drop seal provides a robust barrier against draughts, smoke, light, and noise, offering up to 44dB of acoustic protection. While it is engineered for high-performance safety and sealing, users should note that precision measuring is required during installation to ensure the automatic plunger mechanism functions correctly against the door frame.

All features

Model Part Number	A8100
Brand	Exitex

Extended Product Information

FAQs

Can I cut the A8100 to fit a smaller door?

Yes, the unit can be trimmed down to fit your specific door width. Always measure twice before cutting.

Is this seal suitable for fire doors?

Yes, the A8100 is fire tested for both 30 and 60 minutes in accordance with BS EN 1634-1.

How much of a gap does this seal cover?

The seal is designed to bridge gaps of up to 14mm between the bottom of the door and the floor.

Does this seal block smoke?

Yes, it is smoke tested to BS EN 1634-3, making it effective for smoke control applications.

Can it be installed on a PVC door?

Yes, the design is suitable for use on timber, aluminium, and PVC door profiles.

What tools are required for installation?

You will need a measuring tape, a saw for trimming, and a standard Phillips screwdriver for adjustment and mounting.

Troubleshooting

Seal does not lower fully when the door closes

Adjust the plunger screw using a Phillips screwdriver to increase the projection until the seal makes firm contact with the floor.

Seal is dragging on the floor surface

Adjust the plunger screw to decrease the projection. The seal should only touch the floor when the door is fully closed.

Seal doesn't align with the door frame

Verify that the unit is mounted level within the door groove and check that the door is not warped.

Pros and Cons

Pros

High-performance acoustic and smoke sealing
Self-levelling mechanism handles uneven floors
Fire rated for 30 and 60-minute applications
Robust build suitable for commercial and residential use
Effective at reducing draughts and light leakage

Cons

Requires precise installation to ensure proper plunger contact
Cutting the seal to size requires basic tools and measuring skills
More complex to install than a simple surface-mounted brush seal

Setup, Compatibility & Care

Installation Requirements

Measure the door opening width accurately to determine if the seal needs to be trimmed.
Ensure the seal is mounted into a prepared groove in the bottom of the door.
Secure the unit using the supplied fixing screws.
Use a Phillips screwdriver to adjust the plunger depth so the seal activates at the final moment of door closure.

Compatibility

This seal is compatible with most standard door types, including timber, aluminium, and PVC. It is specifically designed to handle floor gaps of up to 14mm.

Care

Maintenance is minimal. Periodically inspect the seal for debris buildup on the floor that might prevent a full closure. Wipe the bottom rubber component with a damp cloth if it becomes dusty, ensuring the mechanism remains free of obstructions.