Thaisan7, Kerf Slot Sash Weatherstrip Seal Bulb Bubble for Wood Frame, Casement Windows Door Home Improvement - Black, Size 5/16" (25)

3/16” Kerf depth 1/8” Kerf width | 1/32" material thicknessThis diameter bulb is used for older windows that are warped or no longer seated properly. Produced in extruded TPE (Thermoplastic Elastomer) offering the flexibility of a thermoplastic along with the functional performance of conventional thermoset rubber. Prevent water damage. Offers better insulation helping to reduce heating & A/C costs. Lowers outside noise and wind howling. Slip Coat on top of bulb decreases operating force in both sliding and sweeping applications, in the USA. Replacement seal for wood frame, casement windows and doors that take seal-in kerf weatherstrip. Extremely flexible TPE Elastomer that withstands high heat and extreme cold (up to 60 degrees below zero). Offers you better insulation keeping out the elements including water, wind and insects, Easy insulation - Simply cut to length and push into kerf cut channel.

• This diameter bulb is used for older windows that are warped or no longer seated properly. 3/16” Kerf depth with standard 1/8” Kerf width | 1/32" material thickness
• Produced in extruded TPE (Thermoplastic Elastomer) offering the flexibility of a thermoplastic along with the functional performance of conventional thermoset rubber.
• Slip Coat on top of bulb decreases operating force in both sliding and sweeping applications, Made in the USA.
• Replacement seal for wood frame, casement windows and doors that take seal-in kerf weatherstrip. Extremely flexible TPE Elastomer that withstands high heat and extreme cold (up to 60 degrees below zero). Offers you better insulation keeping out the elements including water, wind and insects, Easy insulation - Simply cut to length and push into kerf cut channel.