B Vent Storm Collar Installation

Simply realign the seams and pull apart.

B vent storm collar installation.

1 clearance to combustibles in single and multi family dwellings. B for single story attic less installation ventilate the flashing and leave open. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Install oval flashing storm collar and oval vent 1 inch minimum cap.

Spacer straps at each succeeding ceiling level. Type b gas vent 3 to 12 diameter installation instructions 3 figure 2 figure 3 nail strapping in place four places nail through slots four places figure 4 nail through slots four places 4. Use storm collar for 4. Page 26 6 inch oval gas vent for installation in 2 x 6 stud walls storm collar mh6375 category i appliances only ensure at least 1 inch clearance to all roof flashing combustibles including the area the pipe passes through the roof.

Simpson dura vent does not recommend installation of b vent pipe on the outside wall of a building particularly in cold cli mates. If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11. Install support bracket as shown in figure 1. Aluminum 020 inner wall galvanized 021 outer wall.

To ensure a secure fit push in the locking tab to lock the pipe together. Positioning the storm collar around a double wall type b vent is important to prevent water penetration. Clamp bracket securely to pipe section using the. Round type b gas vent 18 3.

It would be wise to consult the local authority prior to construction. After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go. Pop out the nails that will be in the way and don t worry about putting them back. Wall heater installation 1.

The new and improved amerivent type b gas vent features a quick disconnect system. Pass type b gas vent through opening in fire stop support fsp. Once the storm collar is positioned properly a bead of metal flashing sealant should be. Attc ventilation shield in all attics where ceiling plate spacer straps are used.

I used the same on my storm collar but a good quality caulk should be fine.