This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work.
Roof vents above bonus room.
The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc.
Under the low roof he finds the back of the bonus room wall with a plastic air barrier stapled to the wall over the fiberglass insulation but not sealed at the top or the bottom.
To make the bonus room comfortable you have keep the heat out by beefing up the building.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
With the plastic removed the r 19 batts bulge out beyond the 2x4 framing.
I have roof vents so i have roof ventilation.
The roof is framed with 2 8 rafters and already has both soffit and ridge vents but no insulation whatsoever.
That s what s happening in a bonus room with the building envelope problems described above.
The surfaces can get a lot warmer than the surfaces in the other parts of your home so even when the air temperature feels fine the bonus room feels warmer.
Take for example ridge vents.