Floor Insulation in Sydney If you’re looking for professional floor insulation services in Sydney, Momentum Insulation Pty Ltd delivers high-quality supply and installation solutions designed to improve comfort, energy efficiency, and long-term performance. Many Sydney homes, especially older properties with raised timber floors, lose a significant amount of heat through the subfloor area. Without proper insulation, cold air can rise through floorboards during winter, while heat can transfer upward in summer