The M-D Hardwood and Premium Rubber Heavy-duty Screw-on Top and Sides Door Seal Kit protects against drafts, moisture, dust and insects. Save on energy by sealing the top and sides of your door and keeping the heat or air conditioning from escaping. This kit comes with three pieces, two 84" pieces for the vertical sides of the door frame, and one 36" piece for the top of the door frame. It includes a heavy-duty wood carrier for long term durability and a premium rubber seal which can adapt to inconsistent gaps. The rubber seal in the wood carrier is replaceable making it the best solution for your door jamb seal application. All of the hardware needed to install is included. Before installation, cut to desired length using a hacksaw and be sure the rubber is compressed against the door to create a proper seal. Simply nail the three pieces into the door frame.