FireStop Defender Intumescent Letterplate 12″ – Stainless Steel Finish (Silver Frame)

FireStop Defender Intumescent Letterplate 12" – FD30 – Stainless Steel Finish / Silver Frame

The FireStop Defender Intumescent 12" Letterplate (FS313) is a robust, fire-rated solution designed for use on FD30 fire doors, combining dependable fire protection with enhanced durability. Incorporating a high-performance intumescent liner, the letterplate expands when exposed to heat, sealing the aperture to help prevent the spread of fire and smoke.

Constructed with a stainless steel finish flap and a silver frame, the Defender range is ideal for higher-traffic environments where strength, longevity, and compliance are essential. 

Key Features

• FD30 fire-rated and smoke tested – suitable for 30-minute fire & smoke doors
• Suitable for door thicknesses 40-80mm
• Acoustic testing achieved 32db
• Stainless Steel finish with silver frame  – ergonomic curved edge design
• Security Tested to PAS23/24
  Fitted with a brush pile to prevent draughts

Areas of Applications

• Fire-rated entrance doors
• Apartment and communal doors
• Commercial and public sector fire door sets

Fire Performance & Certification

• Fire: BS476 part 22: 1987 and BS EN 1634-1 (30 minutes)
• Smoke: BS476 Part 31/1:1983
• Acoustic: BS EN ISO 140-3:1995 (32db)
• Security: BS EN 13724 Clause 6.6.5 (compliant within scope of PAS 23/24)

Product Specifications

• Size: 12”
• Colour: Stainless Steel Finish
• Frame Colour: Silver
• Door Thickness: Adjustable telescopic sleeve set to suit 40mm - 80mm

Note: Must be installed in accordance with the fire door manufacturer’s instructions to maintain certification.