Pest Control Insulation Systems. Insect resistant, sound-deadening, and environmentally friendly, TAP blown-in cellulose insulation is 32% more energy efficient than traditional insulation, the maker says. Made from recycled paper and natural borates that prevent pest infestation, the fire-retardant insulation can be installed over existing insulation. The company claims it’s the only Energy Star-labeled product that is also EPA-certified to control pests. 866.284.7247.