Lorient Single Batwing | Smoke & Acoustic Perimeter Seal

Lorient Single Batwing Seal - Smoke and Acoustic Sealing

Protect doors, property, and users with Lorient's robust single batwing seal, engineered specifically to combat smoke, draught, light, and noise leakage around internal doorsets. Ideal for commercial installations, these perimeter seals guarantee compliance and performance. The LAS1007 is suitable for steel-based door assemblies while the LAS1206 suits timber door assemblies.

Key Product Attributes:

• Black and white stocked finish options
• Easy peel-and-stick installation
• Single fin design
• Suitable for single and double doors
• For smoke, acoustic, light, and draught containment
• Head and jamb installation
• For single action door installation
• Suitable for 3mm - 4mm door gaps
• Smoke tested to BS 476-31.1: 1983 (ambient temperature)*
• Acoustic tested to BS EN ISO 10140-2: 2010
• Certifire Approved CF5179
• Up to 34dB Rw
• Tested to a minimum of 100,000 test cycles for durability
• LAS1007 dimensions: 14mm x 2100mm
• LAS1206 dimensions: 10mm x 2100mm

*Both seals are tested to BS 476 but the LAS1007 is also tested to BS EN 1634-3: 2004 at ambient temperature.

Single Fin Smoke and Acoustic Protection

The Lorient single batwing acoustic door seal effectively blocks smoke passage, significantly enhancing the safety of internal spaces during fire emergencies. Both tested to BS 476, and the LAS1007 seal to BS EN 1634-3, this seal prevents the spread of harmful smoke, a critical element in fire stopping strategies. Its design ensures dependable sealing around door perimeters, delivering smoke protection when it matters.

Its superior acoustic sealing capability aligns perfectly with the requirements set out in Approved Document E. The single batwing seal significantly reduces sound transmission. Its 34dB rating makes it an essential addition for facilities such as schools, residential care homes, and hotels. Reduce unwanted ambient noise and improve concentration, comfort, privacy, and productivity with this high-quality acoustic solution.

Simple Installation and Long-Term Reliability

Installation couldn't be easier, thanks to the product's heavy duty self-adhesive backing. Simply remove the protective film and secure it directly to the door stop. It doesn’t require any specialist tools or adhesives. This convenient fitting makes it perfect for busy projects where time is key - passive fire safety upgrades and maintenance can be quick, easy, and effective.

Crafted from durable, co-extruded rigid back PVC with an elastomer fin, the Lorient single batwing seal maintains flexibility and integrity over prolonged use. It is engineered to withstand daily wear and tear without compromising its sealing capabilities, ensuring reliable performance throughout the lifetime of the door installation.

Always check door seals as part of your regular door maintenance routine. For fire doors, take a look at our 8-step checklist to make sure your facility remains compliant, where no hinge, door closer, or lockcase is overlooked.

Versatile Applications for Fire Doors and General Internal Doors

Suitable for 30 minute and 60 minute fire doors, this batwing perimeter seal is an essential fire door ironmongery component for compliance with fire safety regulations. Its ability to fit securely and discreetly around the perimeter of doors helps ensure that your building meets necessary safety requirements, minimising risks associated with smoke spread during fires.

Not limited to fire-rated doors alone, these seals are equally effective on general internal doors that require improved acoustic insulation and smoke protection. It's an ideal choice for buildings that prioritise occupant safety and wellbeing without sacrificing aesthetics or functionality. Lorient also produces a double fin Batwing seal in a range of sizes. Both perimeter seals are available in a variety of standard and special order finishes.

Choose Lorient Single Batwing Today

When choosing door seals, performance and compliance are critical factors. Lorient has established itself as a leader in door sealing solutions, consistently providing products that deliver against industry standards. The LAS1007 and LAS1206 single batwing seals demonstrate their commitment to quality, offering architects, builders, and facilities managers dependable solutions that deliver measurable results. 

Whether your priority is acoustic insulation, smoke protection, or meeting regulatory requirements, Lorient batwing seals are versatile enough to satisfy all these demands. Enhance occupant safety, reduce noise, and achieve reliable smoke sealing with one simple, cost-effective solution.

Make your next project secure, compliant, and efficient—choose Lorient's single batwing smoke and acoustic perimeter seals today.