Insulation Tips for Business | National Grid
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Storm Alert

Weather forecasts are calling for heavy rain, thunderstorms, gusty winds, and the potential for flash flooding in Massachusetts today. National Grid is prepared and we urge you to be safe and ready, too. It is a good idea to always keep several working flashlights and an extra supply of batteries in your home. We also recommend charging mobile devices prior to the storm so you can stay connected in the event of a power outage.

A better business climate starts with a well-insulated building. Increase comfort and energy savings with these simple tips:

  • Make sure all exterior walls, ceilings, roofs, and wall cavities are adequately insulated.
  • Common air leakage points to check and seal include:
    • The areas around plumbing, electrical, and duct work in exterior walls.
    • Any chases open to spaces like an attic.
    • Gaps between interior and exterior walls and ceiling sheetrock.
    • Any sheetrock areas, including between interior and exterior walls and where sheetrock is sealed to the subfloor.
    • Openings around windows.
    • Floors, including cantilevered floors and band joist areas in floor systems.
    • Kneewalls in cape-style structures.
    • Joints between existing buildings and additions or modular buildings.
  • Add a reflective roof coating which keeps your building cooler by absorbing less heat.