B Vent Storm Collar Installation

Round type b gas vent 18 3.

B vent storm collar installation.

Simpson dura vent does not recommend installation of b vent pipe on the outside wall of a building particularly in cold cli mates. To ensure a secure fit push in the locking tab to lock the pipe together. B for single story attic less installation ventilate the flashing and leave open. I used the same on my storm collar but a good quality caulk should be fine.

Pass type b gas vent through opening in fire stop support fsp. The new and improved amerivent type b gas vent features a quick disconnect system. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Once the storm collar is positioned properly a bead of metal flashing sealant should be.

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. Wall heater installation 1. Attc ventilation shield in all attics where ceiling plate spacer straps are used. After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go.

Slide it down the pipe and fit it at the upper rim of the roof flashing. Pop out the nails that will be in the way and don t worry about putting them back. Install support bracket as shown in figure 1. Install oval flashing storm collar and oval vent 1 inch minimum cap.

Snap lock pipe and fittings together or align the seams push together and twist at least 1 to lock. Positioning the storm collar around a double wall type b vent is important to prevent water penetration. 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. It would be wise to consult the local authority prior to construction.

Spacer straps at each succeeding ceiling level. Position the collar at the top of the chimney pipe with the angled edges pointing downward. Aluminum 020 inner wall galvanized 021 outer wall. 1 clearance to combustibles in single and multi family dwellings.

Simply realign the seams and pull apart.