Flexible sealing material installed around doors and windows to prevent air and water infiltration while allowing operation.

Weather Stripping is flexible sealing material installed around doors and windows to prevent air and water infiltration while allowing operation through various strip, gasket, or seal configurations that create weatherproof barriers at operable building components while maintaining functionality for opening and closing. This essential building envelope component consists of resilient materials including foam, rubber, vinyl, or metal strips that are attached to door and window frames, sashes, or operating components to seal gaps and prevent weather infiltration during normal operation. Weather stripping is critical in building construction where it provides energy efficiency, occupant comfort, moisture control, and building durability, making it indispensable for exterior doors, windows, skylights, and any operable building component where weather sealing is necessary for building performance and energy conservation.

Weather stripping is utilized in various building applications and operable component sealing including exterior doors where it seals gaps between door frames and door panels during closed positions, windows where it prevents infiltration around sashes, frames, and meeting rails, sliding doors and windows where it seals tracks and interfaces during operation, casement and awning windows where it seals hinged components and frames, skylights and roof windows where it provides weather sealing for operable roof components, and specialty applications including garage doors, commercial storefront systems, and custom operable elements where flexible sealing is required for weather protection. Each application requires appropriate weather stripping selection, installation methods, and maintenance procedures based on operation frequency, exposure conditions, and performance requirements.

The types and materials of weather stripping include foam tape that provides basic sealing for low-movement applications with easy installation, rubber and EPDM strips that offer excellent weather resistance and durability for high-performance applications, vinyl and plastic strips that provide cost-effective sealing with good weather resistance, brush seals that accommodate irregular surfaces and provide flexible sealing, magnetic strips that provide positive sealing for steel doors and frames, and specialty weather stripping including compression seals, bulb seals, and fin seals for specific applications and performance requirements. Material selection depends on application requirements, durability needs, and environmental conditions.

Fun Fact: Weather stripping can reduce air leakage by up to 90% when properly installed, and the energy savings from weather stripping typically pay for the installation cost within 1-2 years through reduced heating and cooling bills.

• Weather Barrier
• Weather Resistant Barrier (WRB)
• Weather Seal