HVAC Check Valve Update

I was able to fix the check valve flap functionality with some plastic off an old fruit container I found in the recycle bin.








I improved the seal around the junctions with weather stripping available from your local hardware store. For the big gap I found some foam meant to seal the gap around window air conditioners. I installed it with duct tape. Red Green would be proud.





For the rest, regular adhesive-backed stuff worked fine.








The darker stuff is 1/8" thick and is proving useful in several areas.




Here are some close ups of the finished product.










Note how the 1/8" stuff sits nicely in the clips above!