Gap seals for sectional doors – protection, energy efficiency & safety
Gap seals for sectional doors are essential components when it comes to reliably protecting garage and industrial doors against drafts, moisture, dust, and energy loss. Sectional doors, in particular, which consist of multiple movable panels, have gaps due to their design – at the bottom, on the sides, or at the transition between the frame and the door. High-quality gap seals effectively close these gaps and ensure a comfortable, safe, and energy-efficient environment.
Why gap seals are essential for sectional doors
Sectional doors are very popular due to their space-saving design – both in residential and industrial applications. However, without reliable sealing, even modern doors cannot achieve their full performance. Open gaps mean heat loss, increased heating costs, drafts in the interior, and the ingress of dust or insects. A suitable gap seal protects the door system and significantly increases comfort and efficiency.
Structure & technology of modern gap seals
Materials and systems vary depending on the gate and area of application:
- EPDM and rubber profiles: flexible, weather-resistant and durable.
- Silicone seals: particularly elastic and temperature-resistant.
- Brush seals: ideal for dust and insect protection.
- Magnetic seals: maximum tightness with optional adapter tape for non-magnetic surfaces.
- All-round seals: complete sealing on the bottom, sides and top.
Advantages of high-quality gap seals
- Energy efficiency: reduces heat loss, saves heating costs and improves the carbon footprint.
- Protection against environmental influences: prevents the penetration of moisture, dust and insects.
- Increased comfort: less draft and noise in the interior.
- Longer service life: protects the gate system and its mechanics from wear.
Areas of application
Gap seals can be used for many types of doors:
- Private: Sectional garage doors for single-family and multi-family homes.
- Industry: Sectional doors for halls, workshops and logistics centers.
- Cold storage: Seals for temperature-controlled systems.
- Modernization: Retrofitting existing gates with better seals.
Technology & Standards
Numerous standards apply to gap sealing:
- EN 13241: European standard for the safety of gates.
- DIN 4109: Sound insulation in building construction.
- DGUV regulations: Safety requirements in the commercial sector.
Types of gap seals for sectional doors
- Floor seals: close the gap between the bottom edge of the door and the floor.
- Side seals: brush seals or rubber profiles for side frames.
- All-round seals: combination of bottom, side and top seals.
- Magnetic systems: particularly tight, can also be retrofitted with adapter band.
Assembly & Installation
Installing a gap seal is straightforward if the correct steps are followed:
- Clean the door surface and remove old seals.
- Cut and adjust the seal.
- Mounting: magnetic, self-adhesive or mechanical.
- Test run: Open and close the gate, check for leaks.
Maintenance & Care
- Check regularly for cracks or wear.
- Cleaning with mild agents, no harsh chemicals.
- Replacement after 5–10 years depending on use.
- Check magnets and adapter bands regularly.
Gap sealing at Tormeister24
At Tormeister24 you will find:
- Magnetic seals for floor gaps.
- Brush seals for sides and frames.
- Adapter tapes for non-magnetic surfaces.
- Complete sets for sectional doors in private and industrial areas.
Buying advice – which seal is suitable?
Choosing the right seal depends on several factors:
- Gate size & gap width: determines the type of seal.
- Surface: magnetic or non-magnetic.
- Area of application: garage, industrial hall or cold storage facility.
- Mounting type: magnetic, mechanical or self-adhesive.
Future of gap sealing
- Use of sustainable materials with recycled content.
- Optimized profiles with improved thermal insulation.
- Smart seals with integrated sensors.
Conclusion – small seal, big impact
Gap seals for sectional doors increase energy efficiency, comfort, and security. They are a must for every modern door system—whether residential or industrial. With tested seals from Tormeister24 , you can rely on quality, durability, and perfect sealing.
