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skip to FIRESTOP Intumescent Kit To Suit Asec 5 Lever BS Sashlock

FIRESTOP Intumescent Kit To Suit Asec 5 Lever BS Sashlock

£8.39

(£6.99 ex VAT)

sku: L31211
  • Pre-cut specifically for the Asec 5 Lever BS Sashlock for a precise fit
  • Maintains the fire integrity of timber doors during a fire event
  • Expands under heat to seal voids around the lock case and strike plate
  • Suitable for use on 30-minute (FD30) and 60-minute (FD60) fire doors
  • Flexible material allows for quick and easy installation behind hardware
  • Essential for compliance with building regulations and fire safety standards
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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The FIRESTOP Intumescent Kit is a critical safety component designed specifically for use with the Asec 5 Lever British Standard Sashlock. When hardware is morticed into a fire-rated timber door, the core integrity of the door is compromised. This kit provides a heat-activated seal that restores that fire resistance by expanding to fill the gaps between the lock body and the timber leaf.

Manufactured from high-performance intumescent material, the kit includes pre-cut liners for the lock case and the strike plate. In the event of a fire, the material reacts to heat, insulating the lock hardware and preventing the spread of flames and hot gases through the door assembly.

Typical applications include commercial and residential settings where fire safety compliance is mandatory. It is suitable for both new installations and as a retrospective upgrade to ensure that the door assembly remains compliant with FD30 and FD60 fire ratings. Using this kit ensures that the installation meets the necessary safety specifications required for timber fire doors.

FAQs

This intumescent kit is specifically pre-cut to match the dimensions of the Asec 5 Lever BS Sashlock. To ensure the fire integrity of your door is maintained, we recommend using this kit only with the intended Asec model, as a precise fit is required for the material to expand correctly during a fire.

When you mortice a lock into a fire-rated door, you remove part of the door's fire-resistant core. This kit replaces that protection by using material that expands when exposed to heat, sealing the gaps around the lock case and preventing flames and hot gases from passing through the hardware cutout.

The kit provides comprehensive protection for the morticed sections of your door. It includes:

  • Pre-cut liners to wrap around the main lock case
  • Intumescent pads to fit behind the forend plate
  • Pads to fit behind the strike plate (frame side)

No. The ultra-thin intumescent material is designed to fit snugly within the mortice alongside the lock. Once installed, it remains dormant and does not interfere with the latch or deadbolt mechanism, only activating if temperatures reach fire-level heat.