Typically, access panels are installed during the initial construction of a home or commercial building. But often, due to plumbing, electrical or HVAC renovations, new access doors must be installed to provide electricians, plumbers or HVAC technicians with convenient access to concealed systems. They are easy to install by simply applying a caulking adhesive to the back of the frame and pressing it into place. The high impact plastic with UV stabilizers will not fade or corrode. The hinged door is completely removable from the frame.( Note: Only the access panel, Not included adhesive. ) (INDOOR USE ONLY) WHITE PAINTABLE DURABLE Sizes are available for your choice 14x14 inch, 12x12 inch, 8x8 inch, 6x9 inch and 4x6 inch Lightweight Durable Great for Drywall. and Other wall surfaces How to Install? 1. Measuring --Use a template to help installers measure the hole.--- TEMPLATE NOT INCLUDED ) 2. Cutting -- To cut drywall, you will need a jab saw. To cut around your outline, you can push the jab saw through the existing drywall or create starter holes with a drill. 3. Sanding --- Once, you've cut the holes, it's important to sand the edges. This will ensure your frame fits securely in the hole. 4. Anchoring the Frame to wall or ceiling ? Use to complete installation.