Carved from a solid block of aluminum, pfokus thresholds have a seamless, unique look that is unmistakably Sleek. At less than an 3/8 inch tall and under two pounds, it keeps a low profile without sacrificing functionality. And it’s the most efficient damn for stopping water leakage under the glass shower door. — With a threshold this compact, the only question is what to do with all that free time, not wiping up the bath floor after each use. Easy to install, beautiful to look at, and engineered to stop water leakage. It comes with an amazing collection of colors – Brush Nickel, Gold, Chrome and White. And it makes your Threshold blend together in amazing ways with your existing hardware. Just simply cut the threshold with a hex saw to your opening size. Use silicone and apply a bead the bottom side of the threshold and the two flat edges. Prevent Leak Threshold is made of aluminum and sticks to your surface to prevent water from escaping. Some curbs are sloped the wrong way and the water runs out of your shower on to the floor. Prevent Leak Threshold is a classy, quick and easy way to stop the leak and save hundreds in remodeling the curb. This item is 3/8″ tall, please check clearance under door to make sure you have proper clearance.