STS 422 Rebated Drop Down Seal – 530mm

STS 422 Drop-Seal - 530mm

Enhance your door's performance with the STS 422 Drop Seal, designed to help reduce the impact of fire, smoke, sound, draughts, dust and pests at the door threshold. This fully adjustable automatic drop seal can be cut to size. This makes it suitable for a range of door widths. It accommodates a maximum drop of 14mm.

Manufactured with an aluminium casing, neoprene/butyl seal and steel/nylon mechanism, the STS 422 provides an effective sealing solution for internal doors where acoustic and environmental performance is required.

Key Features:

• Helps minimise the transfer of fire, smoke, sound, draughts, dust and pests
• Fully adjustable automatic drop seal
• Can be cut to size
• Maximum drop: 14mm
• Acoustic rating: 41dB
• Aluminium (T60/60 grade) casing
• Neoprene/Butyl seal
• Steel/Nylon operating mechanism
• Stock sizes can be trimmed by up to 200mm (330mm size trims by up to 70mm)

Areas of Applications

• Internal doors
• Door thresholds

Fire Performance & Certification

Performance

• Fire
• Smoke
• Sound
• Draught
• Dust
• Infestation

Acoustic Performance

• Acoustic rating: 41dB

All STS acoustic data is sourced, supplied and verified by independent, UKAS-accredited test facilities in accordance with relevant British and European standards.

Product Specifications

Material - Casing: Aluminium (T60/60 grade)

Material - Seal: Neoprene/Butyl

Material - Mechanism: Steel/Nylon

Maximum Drop: 14mm

Available Sizes:

• 530mm
• 730mm
• 830mm
• 930mm
• 1030mm
• 1130mm

Trimming:

• 530mm – trims by up to 200mm
• 730mm – trims by up to 200mm
• 830mm – trims by up to 200mm
• 930mm – trims by up to 200mm
• 1130mm – trims by up to 200mm

(330mm model trims by a maximum of 70mm.)

Trimming Information: All stock sizes can be trimmed by up to 200mm, except for the 330mm model, which can only be cut back by a maximum of 70mm.