Many aluminum extrusions are edge banding materials. What special advantages do they have for opening materials?.
But in fact, the sealing material is more porous, which is a structural defect. In practice, there is no difference between the two. The opening material is not easy to seep and saves materials. Most of the materials used in the construction site are openings, and there is no problem at all. Sealing materials really do not have much merit.
Most brands have more openings. For example, New River aluminum material, the United States and aluminum, Zhong Wang aluminum and so on. Obviously, the sealing material has advantages. It's more popular now.
Sealing material does not open well. Most of the sealing material is old style, new openings are more, with the sealing material to the landlord to see, it will feel that the amount of material enough, you can raise the landlord's price.
