Concealed Door Closers are installed on the top frame or at the bottom floor. They come in different types, sizes and strengths.  Faulty Closers cause door slamming, leaking oil, bouncing back, not latching.  If not addressed, they may lead to broken glass. Our skilled experts are available to answer your questions, troubleshoot them and provide you with free estimates. We are committed to customer satisfaction at the lowest cost possible.