Seal & Save Insulation Ltd. has the answer. Founded in 1977 by Walter Parsons and David Sharpe and the f irst vinyl window retailer in Newfoundland, Seal & Save. is the region’s trusted source for residential and commercial insulation . Proper insulation at your home or business can protect your structure from the elements and reduce your heating and cooling bill. It can even reduce noise from your neighbors by adding a soundproof barrier around your property.