Rigid Insulation for Waterproofing, Explained
Rigid insulation is a type of insulation material that is used in construction to improve energy efficiency and provide thermal resistance. When it comes to waterproofing, rigid insulation serves dual purposes. Here’s an overview:
Functions in Waterproofing
Barrier to Moisture: Rigid insulation, especially XPS, acts as a barrier that helps to prevent water from penetrating into walls and other structural components.
Thermal Resistance: It helps maintain stable indoor temperatures, which can indirectly contribute to reducing condensation and moisture buildup, reducing the risk of mold and decay.
Durability: Rigid insulation is robust and can withstand various environmental factors, including water ingress, making it suitable for exterior applications such as foundation walls or under slabs.
Installation Considerations
Sealing Joints: Proper sealing of joints between insulation panels is critical to prevent moisture ingress.
Drainage Systems: It is often installed in conjunction with drainage systems to direct water away from the structure.
Protective Covering: In some applications, a protective covering such as a waterproof membrane may be applied over the insulation for added protection against moisture.
Applications
Basements and Foundations: Used to insulate below grade walls to keep them warm and prevent moisture issues.
Roofs: Employed on flat roofs to improve thermal performance while providing waterproofing benefits.
Exterior Walls: Integrated into exterior wall systems to improve insulation and help manage moisture.
Conclusion
Rigid insulation is not only crucial for enhancing energy efficiency but also plays a vital role in waterproofing applications when properly installed and combined with other moisture management strategies.
If you’re looking to incorporate Rigid Insulation into your project, speak to our team.
