Dalian waterproof construction joints waterproof plugging it introduces the concept of waterproof waterproof joints before talking, first of all we should be clear joints, what is the expansion joints? Expansion joints to prevent the building component refers temperature due to climate change, to make structural cracks or destruction of a structure appropriate parts of buildings or structures provided along the direction of seam construction joints, its role is more than the base building elements such as walls, floors, roofs, etc. is divided into two separate parts, so that the building or structure along the longitudinal direction of the horizontal stretch to do. Joints waterproof plugging major chemical grouting method, namely the use of manual or mechanical means with water plugging, under pressure, will be a special waterproof material into structural cracks in buildings, solidified in the interior, with the original building structure integrally formed, so as to fill the cracks and waterproof plugging purposes, its fast operation, good effect, no matter how effective leak can be brought under control in a short time. And for through the cracks, we are using sealed joints, pipe and paste method with the use of perfusion, temperature crack, you should consider "lag effect" concrete building on the temperature, low grouting plugging seepage treatment at the temperature , the effect will be better. Dalian waterproof construction