Water board now has gradually been widely used in the pre-construction water board what information you want to calculate the clear? Laiwu of geotextile material Ltd. to provide you this information. Hotline Zhang 1, depending on the design and construction contract quotations. Generally in accordance with the area of ??computing, there is no slope, slope coefficients to be multiplied. 2, installation practices, flashings overlap is qualified, if you do not design specifications, to the corresponding reduction in quantities, if necessary, to rework. 3, waterproof board according to design specifications, to see local contacts (if it is mechanically fixed) process depends on the rivet (tied) at calculated in accordance with the number of contacts the contact. 4, the amount of local structures of cooperation. As parapet gutter, high processing and collection of anti-edge treatment, depending on your level of personal relations and quality of the project, can be appropriate to give twice the measurement area, as part of the anti-bag itself is made from two layers. 5, different companies offer a different way, to specific treatment. (Plenty to offer throughout the area, it has been included edging, contacts, etc. Some are quoted separately according to material and construction, we must calculate the double-developed area and the number of local processing power, etc.). We must follow the instructions for proper flashings main pre-construction information that these calculations, so its performance is fully displayed, calm improve our work efficiency. At the same time if you have demand for our Laiwu of waterproof board waterproof board manufacturers are welcome to contact us, we sincerely look forward to your service! Laiwu of Shandong Jinda waterproof board manufacturers http://www.jdfangshuiban.com