Insulation Material

i removed a direct-vent fireplace from our family room and have to remove the venting and fill the hole in the wall. What type of insulation should I use behind the drywall? Is it OK to just use expanding foam insulation for the hole? I currently have fibreglass batt insulation in the [...]

When the outside air enters a home uncontrollably via cracks and openings it needs insulation. This reduces the heating / cooling price which can be essential to build a healthier indoor environment. The air leakage can also trigger air with dust and mould which can be not hygienic.
Proper attic insulation helps you to decrease the [...]