Chimneys & roofvents

• Inside dimensions of 19” x 19” or 24” x 24” or 30” x 30”
  (483 x 483 mm or 610 x 610 mm or 762 x 762 mm)
• Bird barrier available
• Custom built according to roof slope to prevent any water flow
• Insulated and light, rigid model

• Inside dimensions of 19” x 19” or 24” x 24”
  (483 x 483 mm or 610 x 610 mm)
• Gravity damper included
• Evacuate air far enough from the building
• Must be installed with a fan
• Custom built according to roof slope to prevent any water flow
• Insulated and light, rigid model

• Inside dimensions of 19” x 30” (483 x 762 mm)
• Bird barrier available
• Custom built according to roof slope to prevent any water flow
• Insulated and light, rigid model

• Inside dimensions of 19” x 19” or 24” x 24” or 30” x 30” or 19” x 30" (483 x 483 mm or 610 x 610 mm or 762 x 762 mm or 483 x 762 mm)
• Delivered unassembled for freight savings
• Insulated and light, rigid model

• Inside diameter of 19” or 24” (483 mm or 610 mm)
• Delivered unassembled for freight savings
• Insulated and light, rigid model

• Inside dimensions of 19” x 19” (483 x 483 mm)
• Bird barrier available
• Allows to ventilate the attic
• Custom built according to roof slope to prevent any water flow
• Insulated and light, rigid model
• Available in square and round size

• Inside dimensions of 19” x 19” (483 x 483 mm)
• Bird barrier available
• Allows to ventilate the attic
• Custom built according to roof slope to prevent any water flow
• Insulated and light, rigid model
• Available in square and round size

The complete line of Maxum ventilation products is made of sturdy and non-corrosive UV treated H.D.P.E. PLASTIC. All polyethylene products are convered by a 5 year warranty by the manufacturer.