Proper sealant application is essential for fiber cement siding installations. It protects the underlying structure from moisture damage by sealing joints, butt ends, and penetrations. For example, neglecting to seal joints between siding planks can lead to water infiltration, potentially causing rot, mold growth, and structural damage.
A well-sealed siding system contributes significantly to a building’s longevity and energy efficiency. Preventing air and water infiltration helps maintain a consistent interior temperature, reducing the workload on heating and cooling systems. Historically, various sealant types have been used with fiber cement; however, modern formulations offer superior durability and performance, making proper selection and application even more critical. This translates to lower energy bills and reduced maintenance costs over the lifespan of the building.
