Does insulation need to be sealed?
Does insulation need to be sealed? Leaky and poorly-insulated ducts (especially in attics) severely compromise the performance of your heating and cooling equipment. Sealing and insulating your ducts can increase the efficiency of your heating and cooling system by 20% and greatly increase air flow. Seal these with foam. Is it safe to insulate interior walls? It is not necessary to insulate interior walls but doing so offers many benefits. Aside from just temperature control, insulation also helps make your interior walls more resistant to sound and fire. How do you insulate a wall from the inside? Internal wall insulation...