EPDM (Ethylene Propylene Diene Monomer) rubber is widely used in construction because it performs exceptionally well in exposed environments.
Key Benefits of EPDM Tape
- Excellent weather resistance - withstands rain, UV exposure, heat, and cold
- Closed-cell structure - prevents water absorption and air leakage
- Flexible and compressible - maintains a tight seal as doors and windows move
- Long service life - resists cracking, shrinking, and degradation
These properties make EPDM tape the best material choice for sealing gaps around doors and windows, particularly in external applications.
What to Look for in the Best EPDM Tape for Doors and Windows
Not all EPDM tapes perform the same. For professional results, the tape should meet the following criteria:
1. Closed-Cell EPDM Foam
A closed-cell structure prevents moisture penetration and ensures reliable thermal and air sealing.
2. Strong Acrylic Adhesive
The tape must bond securely to common substrates such as:
- Aluminium and steel frames
- Timber door and window jambs
- UPVC and composite materials
3. Resistance to Compression Set
Doors and windows open and close repeatedly. A quality EPDM tape must rebound after compression to maintain sealing performance over time.
4. Suitability for External Use
The tape should be designed for long-term external exposure, not just internal or temporary sealing.
FS690: A Recommended EPDM Tape for Weather Sealing Applications
FS690 is a premium soft elastomeric EPDM closed-cell foam tape developed specifically for professional sealing, gasketing, and weatherproofing applications.
Why FS690 Is a Strong Choice
- Closed-cell EPDM rubber foam resists water, air, and dust infiltration
- High-performance acrylic adhesive provides excellent adhesion to metal, timber, plastics, and composites
- Designed for both internal and external use
- Suitable for doors, windows, façade elements, panels, and construction joints
- Easy to install, helping reduce labour time and installation errors
FS690 is commonly used as a weather sealing tape for door frames, window perimeters, and joinery systems, where durability and long-term performance matter.
Learn more about FS690 EPDM Foam Tape
Typical Door and Window Applications for EPDM Tape
Installers use EPDM foam tape like FS690 in a wide range of scenarios:
- Sealing gaps around aluminium and timber window frames
- Weather sealing external doors and sliding doors
- Preventing air leakage around joinery systems
- Reducing noise, vibration, and rattling
- Improving energy efficiency by limiting drafts
Because EPDM tape remains flexible over time, it adapts well to building movement and repeated door or window operation.
EPDM Tape vs Other Weather Sealing Options
| Material | Performance for Doors & Windows |
| Open-cell foam | Absorbs moisture, short lifespan |
| PVC foam | Limited UV resistance |
| Silicone-only sealant | Labour-intensive, inconsistent gaps |
| Closed-cell EPDM tape | Best balance of durability, flexibility, and weather resistance |
For professionals seeking reliability and speed, EPDM foam tape is often the most practical solution.
Explore EPDM Gasketing & Sealing Foam Options
FS690 is part of a broader range of EPDM gasketing and sealing foams designed for construction, glazing, and industrial use.
View the full EPDM product range. This allows builders and installers to select the right thickness, width, and compression level for each application.
The Best EPDM Tape for Doors and Windows
If you’re looking for a reliable EPDM tape for weather sealing doors and windows, choose a solution that offers:
- Closed-cell EPDM construction
- Strong adhesive performance
- Long-term weather resistance
- Proven suitability for professional installations
FS690 meets these requirements, making it a dependable option for installers who want consistent sealing performance without unnecessary complexity.
If you’re specifying EPDM tape for doors, windows, or façade sealing:
Request a Quote today to see how FS690 can support your next project.
