Insulation For Walls

Are you building a new house or renovating your existing home? Are you concerned about high energy bills, or do you want to improve your family’s “green” factor? If the answer to any of these questions is “yes,” you will want to consult with an insulation expert to find the best ways to keep your house cool in summer, warm in winter, and energy efficient all year round.
There are many problem areas in the average house that cry out for attention: the attic, the basement, crawlspaces, and the garage are examples of these. But ensuring that walls are properly insulated is every bit as important as dealing with difficult areas.
Here are a few of the wall areas where sufficient insulation should be placed:
  •  Between the studs of “knee” walls
  •  Between the studs and rafters of exterior walls and roof
  •  All exterior walls, including walls between living spaces and unheated garages, shed roofs, or storage areas
  •  Foundation walls above ground level
  •  Foundation walls in heated basements
The Best Type of Insulation
A few generations ago, insulation materials were rudimentary. Horsehair, sawdust, newspapers, and sheep’s wool were some of the substances used for wall insulation. With today’s highly efficient materials, it’s best to consult with an insulation installer who can help you to determine what type or types will work best for your walls. Here are some of the insulation materials available:
  1.  Spray Foam insulation. Polyisocyanurate and polyurethane foam insulation can be sprayed into wall cavities using special equipment that meters, mixes, and sprays the foam.
  2.  Blankets, batts, or rolls. These are made of mineral fibres such as fibreglass, cotton, or rock wool, and are manufactured in widths that fit standard spaces between wall studs. The material can be cut to fit.
  3.  Blown insulation. This type of insulation can be made of fiberglass, cellulose, or rock wool in the form of fibres or pellets. It’s blown into a space with pneumatic equipment by professional installers.
  4.  Rigid insulation. Made from fibrous materials or plastic foams, this insulation is produced in board-like forms.
  5.  Reflective insulation. Various types of aluminum foil are used to make this special reflective surface that reduces downward heat flow.
  6. Polyurethane and steel panel insulation. This very efficient material is often used for insulating heated floors, or in basement walls.
Insulation Installers
An insulation professional can help you to choose a type based on several factors, including:
  • how much insulation is needed
  • the accessibility of the insulation location,
  • the space available for the insulation
  • availability and price of insulation.
Improving your home’s energy efficiency can save as much as 50% on your heating bills. Talk to an insulation expert today and come in from the cold!


Mike Holmes Official Insulation Contractor

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