envelopelearning@mainstreamcorporation.com phone303-912-4833
Attic, MakeUp and Crawlspace
Exhaust Fan Kit
The RA 15-60 is a quiet exhaust ventilation fan with a sound absorption set for installation in 6″ Lunos tubes.
$395.75
Passive Air Inlet Kit
The ALD-R160 is a passive air inlet with a automatic wind damper, pressure based flow control and high performance sound absorption set for installation in 6″ Lunos tubes.
$197.00
-100x100.jpg "Roflex 150 Gasket with Tape (pair)")
Roflex 150 Gasket with Tape (pair)
Gasket for ComfoPipe penetration through wall and air barrier. Comes in a set of two with tape for install.
$42.00
Mainstream Corporation is a Colorado based Passive House Design, Consulting firm. Specializing in Passive House Products for your building project.
- marker2017 South US HWY 287
Berthoud, CO 80513 - phone303-912-4833
- envelopelearning@mainstreamcorporation.com