B Vent Storm Collar Installation

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.

B vent storm collar installation.

To ensure a secure fit push in the locking tab to lock the pipe together. Simply realign the seams and pull apart. Install support bracket as shown in figure 1. Wall heater installation 1.

It would be wise to consult the local authority prior to construction. Position the collar at the top of the chimney pipe with the angled edges pointing downward. Round type b gas vent 18 3. Once the storm collar is positioned properly a bead of metal flashing sealant should be.

Install oval flashing storm collar and oval vent 1 inch minimum cap. Spacer straps at each succeeding ceiling level. I used the same on my storm collar but a good quality caulk should be fine. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters.

Slide it down the pipe and fit it at the upper rim of the roof flashing. Aluminum 020 inner wall galvanized 021 outer wall. Use storm collar for 4. Pop out the nails that will be in the way and don t worry about putting them back.

After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go. Attc ventilation shield in all attics where ceiling plate spacer straps are used. Pass type b gas vent through opening in fire stop support fsp. B for single story attic less installation ventilate the flashing and leave open.

Snap lock pipe and fittings together or align the seams push together and twist at least 1 to lock. Clamp bracket securely to pipe section using the. Positioning the storm collar around a double wall type b vent is important to prevent water penetration. 1 clearance to combustibles in single and multi family dwellings.

If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11.