Which type of sealant is most suitable for your work: acrylic, silicone, or PU in a tube?

The tube sealant comes in 4 types. Choosing the wrong one can lead to repeated leaks. This article compares acrylic, acid silicone, non-acid silicone, and PU, covering flexibility, paintability, price, and lifespan, along with a selection table based on the job site and a method to calculate how many meters can be applied with one tube.