The Sealing UFO is the ideal solution against water ingress around the spacers and the surrounding concrete. Sealing UFOs prevent water from seeping in through cracks in the concrete past the spacer. 

Why choose the Sealing UFO? 

• 100% waterproof 
• Certified up to 6 bar 
• Easy to assemble 
• The solution for concrete cracks 

Curious about how our swelling products work? Read more about: the active sealing technology