Façade Joints

Key Takeaways: 

  • Use highly flexible façade sealants to protect buildings from moisture, air, and dirt ingress.
  • Suitable for window-to-wall joints, panel connections, and structural gaps.
  • Products like Gorilla MS, Soudaseal FR, Sillirub Cleanroom and Soudaseal Façade 20LM offer strong adhesion to concrete, aluminium, wood, PVC, and coated surfaces.
  • Designed to withstand temperature fluctuations, wind movement, and long-term exposure while maintaining elasticity and durability.

Sealing Joints in Façades:

Facade joints are critical points in a building envelope. They seal gaps between structural elements such as concrete panels, brickwork, and window frames to prevent water, air, or dirt from penetrating the structure. Movement caused by temperature changes, wind, or building settlement can stress these joints, so selecting a flexible, durable sealant is essential. 

Soudal offers a range of SMX hybrid, silicone, and PU-based sealants formulated for these demanding applications. Gorilla MS is a versatile hybrid sealant with excellent adhesion to multiple substrates, making it ideal for most façade joints. For projects requiring both fire resistance and façade sealing, Soudaseal FR provides flexibility, strong adhesion, and compliance with fire safety standards. For specialised environments like laboratories or cleanrooms, Sillirub Cleanroom offers a neutral-curing silicone solution that maintains a clean, non-contaminating finish while accommodating movement. 

Choosing the right sealant ensures long-lasting performance, prevents cracks or leaks, and maintains the building’s structural and aesthetic integrity. Each product is tested to perform under dynamic conditions, including UV exposure, temperature fluctuations, and structural movement, making them suitable for both new construction and façade refurbishment projects. 

FAQs

Which sealant is best for window-to-wall joints?

Gorilla MS provides excellent adhesion and flexibility for most window frame materials.

Can façade sealants handle building movement?

Yes, all recommended products remain elastic and adapt to expansion and contraction caused by wind or temperature.

Are these sealants suitable for fire-rated façades?

Soudaseal FR is fire-resistant and ideal for joints requiring additional protection.

Can I use Sillirub Cleanroom outdoors?

It’s designed for cleanroom applications including both interior and exterior jointing of panels; while it can be used on exterior building facades it should be remembered that it cannot be painted. For general exterior façade applications, look to Gorilla MS or Soudaseal FR as your preferred sealant.