Drilling 4 inch holes in the joists would create a structural problem since there is a room and floor above that.
Floor vent floor joist.
Joist bays the open spaces between floor joists are prime hosts for insulation under specific circumstances.
Ventilation in suspended timber floors can be achieved by installing vents.
4 aluminum dryer vent through joists homeownershub the dryer vent pipe needs to go about 8 feet across the ceiling above the tub and toilet to reach the exterior wall and vented to the.
The rim joist fig.
Measure the width and length of the bottom of the vent with a measuring tape to determine the size of the hole you need to cut in the floor for the new vent location.
I don t have much of a problem except the hole for the dryer box ducting is at least a 4 hole box looks like the hole is more like 5.
B the framing member that runs around the perimeter of your house and that the floor joists butt into often gets riddled with large holes this space is the logical exit point for dryer and furnace vents big electrical service wires and fireplace fresh air intakes.
Remove the existing floor vent from the floor.
Check to ensure that the new vent location does not cross a floor joist.
I will be venting down the wall to my floor joists and then running the vent about 8 along the floor joist cavity with the 4 duct terminating through the rim board and out the house.