Exterior Blower Installed On Roof

Durable sealed blower housings are crafted from weather resistant aluminum and can be painted to match the roof or wall color scheme.

Exterior blower installed on roof.

Plywood or osb roof sheathing can be installed over exterior insulation layers using long exterior grade screws. Use flashing and roofing mastic to. The screws must be long enough to penetrate an adequate depth into the roof framing. Before installing your roof mounted exhaust fan inspect the equipment for any interior or exterior damage.

Depending on your preference and ducting situation these blowers can be mounted on the roof or exterior wall of your home. Then turn the blower wheel by hand to make sure that it is able to rotate freely. An unvented roof cladding substrate e g. The 332h externally mounted blower is installed on the outside of a home.

Remote blower install instructions created date. If you have further technical or installation questions please contact our broan technical support department at 1 800 637 1453 between 7 30 am and 6 00 pm cst monday friday. Check for and retighten any bolts or screws that may have become loosened. Prepare location and install blower flat or low slope roof mount 1.

If going through the roof shingles may need to be first cut away with a utility knife. The hole should be around 14 inches wide and 18 inches long. It has to be ducted. Make sure you have all of the accessory items and that they are also damage free.

These specialty vents do not affect the. Step 2 mount the external blower. It is not designed to be mounted internally or used as a non ducted motor. Place the blower against the hole that was cut in the roof or wall.

Using a circular saw cut a hole in the wall or roof where the blower will be mounted. The table below will help you select an exterior blower matched to the heat output of your range hood. For flat roofs having a pitch less than 1 1 2 of rise per 12 length mount the blower on a roof curb as shown in figure 1. See page 90 for more information on selecting the right blower for your range or cooking style.

Rfplt1000p roof plate required for roof mount application separate purchase required. Position the blower so that discharge end of the blower slopes downward and away from prevailing winds. 2 22 2012 3 57 41 pm. Remote blower install instructions author.

Exterior blowers may be vented through the roof or wall with the goal of minimizing sharp turns in the duct that can impede.