Aluminum profile gaskets are typically used in construction, particularly in the assembly of aluminum profiles in various structures like windows, doors, and curtain walls. These gaskets serve several purposes:

1. Weatherproofing: They provide a seal between adjoining aluminum profiles, preventing water, air, or dust from penetrating the structure. This helps in maintaining the interior environment and enhancing energy efficiency.

2. Noise Reduction: By creating a tight seal between profiles, these gaskets can help in reducing noise transmission from the outside environment into the building, thereby improving comfort levels indoors.

3. Thermal Insulation: Aluminum profile gaskets contribute to the thermal insulation of the building by reducing heat transfer through the joints. This helps in maintaining stable indoor temperatures and reducing heating or cooling costs.

4. Structural Integrity: Gaskets can also provide additional structural support by reinforcing the joints between aluminum profiles, ensuring stability and longevity of the construction.

These gaskets are typically made of durable materials such as EPDM (ethylene propylene diene monomer) rubber, neoprene, or silicone, which are known for their resistance to weathering, UV radiation, and temperature variations. They come in various shapes and sizes to fit different profiles and assembly requirements.