How to Install:Clean and measureClean up the ground. (Place the water dam where it needs to be installed and mark it with a pen.) Cut off the excess part.Peel off the stickerPlace the water retaining bar in the position where it needs to be installed. Press hard while tearing off the adhesive.Reinforce with glueApply glue to the joints between the two ends of the waterproof strip and the desktop/ground. Wait for it to dry naturally.Wait 24 hours to dryKeep dry within 24 hours after installation.TipsWhen you need to install it as a right-angled edge, you can cut it in the following way. The two sides are cut to 45degree and can be spliced together.