Your problem is not heat it s volume capacity of the duct.
Dryer vent in wall cavity.
Master flow s rectangular stack duct is used for master flow s rectangular stack duct is used for hvac system applications between wall studs as supply and return ducts and to vent range hoods kitchen and bath fans between walls as well.
Dryer bathroom and or kitchen hood exhaust fans.
Fire safety and eps and dryer vents.
The system comprised of 3 4 in.
Diameter opening fits any in wall installation up to 9 ft.
Dryer vent go inside an interior wall.
A nominal 2x4 measures 3 5 inches.
Any vent in a wall cavity should be made of solid metal with all joints sealed with metallic tape.
Diameter x 32 in.
I purchased a db425 vent for 2x6 construction in basement.
Together they can accommodate 95 of all exterior wall assemblies greatly increasing design options.
Installing rectangular duct between wall studs saves space and is an easy way to route air up or down a wall and to other stories of a home.
So even if it is enclosed within a building wall or ceiling cavity where it might be in contact with a clothes dryer vent it would be smart to cover your polystyrene insulation with a layer of fire resistant drywall just as you d be required to cover such insulation if it were exposed in the living area.
Additional insulation shall be added within the cavity as necessary to completely fill all voids around the periphery of the dryerbox and around the dryer vent pipe.
The inwall vent will run up to ceiling approx 7 feet and with a 90 degree to about 5 feet out the rim joist.
The entire wall cavity containing the cabinet shall be tightly packed to full stud depth and cavity height with mineral wool batt insulation having a min density of 4 pcf.
Diameter x 12 in.
Because of all these mechanicals this wall is typically thicker and achieved by being framed with 2x6 studs or furring strips added to a 2x4 wall.
X vent box incorporates a removable front louver and an integrated back draft damper for easy inspection and maintenance without damaging any weather tight seals.
I plan on filling up the cavity with roxul but the question concern i have is how close can the in wall vent be to the drywall.
X vent box offers four different mounting options.
Long oval pipes 1 support strap 1 4 in.
A dryer duct measures 4 08 inches and if it has any fittings measures 4 25 and has no ability to deform.
The smooth aluminum in wall dryer venting system allows for easy vent installation in laundry rooms located in the center of homes.
One of the leading causes of house fires is dirty or plugged clothes dryer vents.
The low profile single box cavity can vent multiple devices such as.
Integrated damper is removable for inspection and maintenance.
Dryer vents should not be installed in ways that make them difficult to clean and inspect.