Mushroom Breather 4 Inches One Way

Download Small Roof Breather Catalogue

Small Breather 4in—One Way



  • Vented 8” high with 12.5” wide deck flange
  • 4” I.D. to aluminum wall with .8” insulation thickness
  • 0.64” thick Insulated Interior walls.
  • Removable 4” wide cap with integral bug screen
  • Made from 0.064” thick premium gauge spun aluminum
  • Secured vandal proof cap prevents rain or snow entry
  • Reduces moisture and trapper air within roofing
  • 3/4” thickness polyurethane foam insulated walls
  • One-way roof vent with an internal flexible one-way diaphragm
Download Small Roof Breather Catalogue
SKU: MB-4-0WB Categories: , Tag:





Download Small Roof Breather Catalogue

Section Detail:

Roof Breather Small - Section Detail


Roof Breather Small 4 Inches Breather
1.Spun aluminum drain.
2. Removable Spun Aluminum vent Cap
3. Aluminum Top Cap patch
4. Aluminum Bottom Cap patch
5. EPDM Rubber patch
6.Aluminum Rivet


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