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» Frequently Asked Questions

Midwest Exteriors of MPLS. is proud to provide insulation and ventilation products and services for your home.  Our team of experts will do a professional assessment of your home and provide you with a comprehensive list of ways to make your home more energy- efficient at a reasonable cost. 

Insulation is an important component to maintaining both the interior and exterior of you home.  Its main purpose is to save energy by providing resistance to heat flow reducing the average home’s heating and cooling costs. The most typical insulation products currently used by contractors include:

  • Fiber Glass
  • Cellulose
  • Rigid foam board
  • Open and closed cell foam

The following are some of the basic requirements of the Minnesota State Residential Energy Code

  • Ceilings need to have a R-Value ( Thickness of the insulation) of 44 minimum
  • Wood Framed walls need to have  R-Value of 19 minimum
  • Floors need to have a R-Value of 30 minimum

More information about insulation can be found on the North American Insulation Manufactures Association and at the MN Department of Commerce websites.

Importance of Roof Ventilation:
Attic ventilation is an important part of maintaining your roof because it extends roof life expectancy and minimizes temperature fluctuations.   When replacing your roof, make sure your contractor inspects your attic to ensure that heat and moisture are being removed.  If there are issues, it is important to have them corrected to avoid, ice dams, high energy bills, premature roof deterioration, and dry rot in your attic. 

Information Regarding Ice Dams

Causes of Ice dams:
Ice dams form when heat escapes through your ceiling  and melts the  snow on your roof.  As the roof surface warms, the snow melts and water runs down to the surface of the roof (below the snow).  When water reaches the lower part of the roof, which is cooler, it refreezes, trapping water and causing water to get under your shingles.  Once water is inside the roof, it can cause serious damage to your home.  Typical damage includes:

  • Wet insulation
  • Damaged ceilings
  • Damaged dry wall & plaster
  • Damaged windows
  • Dry rot
  • Mold

Ice Dam Prevention:
Ice dams can be prevented by making sure your attic is properly insulated to keep it cool so that heat does not escape through your roof.  It is also important to make sure that your attic is properly ventilated.  Many older homes lack proper insulation and ventilation.  Gutters are often blamed for ice dam issues but inadequate ventilation and insulation is usually the cause of ice dams.

University of Minnesota Article on Ice Dams

Ice Dam Removal Services:
Midwest Exteriors of MPLS. provides Ice Dam removal services including steam removal or rooftop shoveling. Rooftop shoveling is usually the first course of action as it may solve the problem and is a less expensive option.




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