DIY Projects

Project File #9
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Cool attic spaces for a more comfortable home

With proper attic ventilation, you can reduce heat buildup and keep things cool.

Roof vents play a critical role in helping to reduce the buildup of excess heat in your attic during the summer. In winter, they can also expel moisture that would otherwise accumulate and deteriorate insulation or other building materials.

Project Overview

Tools and Materials:

  • Utility knife
  • Measuring tape
  • Lights
  • Straight edge
  • Markers
  • Staple gun
  • Hammer
  • Insulation baffles
  • Attic vents
  • Flashing
  • Roofing cement
  • Fasteners—screws, roofing nails, or staples, depending on the application


  • Dust mask/respirator
  • Gloves
  • Safety glasses
  • Kneepads
  1. First, determine how much ventilation is necessary by measuring the size of the attic floor, as well as by estimating the amount of moisture and heat getting inside.
  2. Next, determine the size of the attic vents necessary by examining the existing ventilation to figure out how much more, if any, is needed.
  3. Select the kind of vent that will best serve your needs, and install according to the manufacturer’s instructions for best results.

Download Project File

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