Pipe Jacks That Go Into The Attic
Except for floor drains just about all plumbing fixtures need a vent.
Pipe jacks that go into the attic. Venting is required in a plumbing drain system to maintain atmospheric pressure in the pipes. Roof jacks are used to receive and cover venting duct pipe from kitchen and bath fans and for attic ventilation. A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home. The vents also allow gases to safely escape through the roof.
In other areas a metal pipe is required. Roof leaks around vent pipes is relatively common. It also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water runs through the plumbing vent pipe. It is a vertical pipe attached to a drain line and runs through the roof of your home.
Vent caps provide protection from rain snow and debris. Guide the vent pipe up through the hole and into the attic or room above and slip its lower end into the fitting at the floor. Some areas allow for a plastic pipe to extend out the roof shown. Gibraltar building products 1 4 in.
The vent stack is the pipe leading to the main roof vent. Tying in to a plumbing vent stack. The plumbing venting helps to create neutral or equalized air pressure throughout the waste pipe system. You can go years without having animal damage to these roof jacks.
Our strong steel design provides maximum leak protection with a press sealed built in roof flashing. In most areas you will need to install a 4 inch pipe. The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor. Pipe vents provide air a way into waste pipes to prevent siphoning of plumbing traps.
Purchase a roof jack with a rubber flange that will seal a 4 inch pipe. For a 1 1 2 inch vent pipe a 2 1 2 inch hole is sufficient. Without proper venting flowing water creates negative pressure. The purpose of the lead covering is to prevent rainwater from leaking into the attic and resulting in roof rot.
Cut a smaller opening in the ceiling for the vent pipe.