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5/16″ hollow bulb seal weatherstripping, Choose from 4 in-stock colors - White, Tan, Brown, and Black. Available in 5 different lengths for any job. 5/16" bulb kerf-in seal weatherstripping is a type of weather strip that is commonly used to replace old worn out seals around windows and doors that are older and may be slightly warped. It is made of the same flexible TPE (Thermoplastic Elastomer) as our ¼” and will not tear. GSI weather stripping is resistant to all types of weather conditions. The bulb shape compresses against the windowsill or door jamb for a tight seal. Our weather strip helps to prevent drafts and insect intrusion while keeping heat and a/c inside your home as the seasons change. Easy to install. Remove the old seal and push the new seal into the groove.
Product Code: N/A1/4" diameter bulb is the most commonly used size for most applications.
[For larger bulb requirements use our in-stock 5/16", also available in 4 colors]
GSI Professional Contractor grade weather stripping is OEM+ quality. Produced in extruded TPE (Thermoplastic Elastomer) offering the flexibility of a thermoplastic along with the functional performance of conventional thermoset rubber. Use to replace worn out kerf window and door seals with ease.
Available in 4 colors (White, Tan, Brown, and Black) and sold in 5 different lengths for any job. Simply cut to desired length. The perfect OEM replacement. Helps prevent water damage. Offers better insulation helping to reduce heating & A/C costs. Lowers outside noise and wind howling. Keeps bugs and insects out where they belong.
v Manufactured from OEM+ quality Thermoplastic Elastomer (TPE)
v Most common bulb size - 1/4". Also available in 5/16" bulb diameter.
v 3/16” Kerf depth with standard 1/32” Kerf width.
v Slip Coat on top of bulb decreases operating force in both sliding and sweeping applications
v 6 Lengths to choose from – 10’, 17’, 25’, 50’, 100’, 500'
v 4 Colors to match most requirements– White, Tan, Brown, and Black
v Made in the USA.
Ø GSI Offers the perfect OEM replacement seal for wood frame, casement windows and doors that take seal-in kerf weatherstrip.
Ø Extremely flexible TPE Elastomer that withstands high heat and extreme cold (up to 60 degrees below zero).
Ø Offers you better insulation keeping out the elements including water, wind and insects.
Ø Easy insulation - Simply cut to length and push into kerf cut channel.
Our warehouse stocks over 25,000 feet of this one item at any given time to insure super-fast shipping of your order.
ALL orders ship within (1) business day.
Ans: It's a kind of weather stripping with a bulb-shaped form that seals gaps around doors and enhances insulation by fitting into a kerf, a shallow slot cut into the door frame.
Ans: When the door is closed, the bulb contracts, forming a tight seal that prevents noise, moisture, and air from entering or exiting the house.
Ans: To ensure a long-lasting seal, they are typically composed of silicone, rubber, or foam.
Ans: Installing weather stripping for windows or doors with a bulb diameter is a do-it-yourself project. To install the stripping around your door frame, measure, cut to length, and press it into the kerf slot.
Ans: Look for a pre-cut slot, or kerf, along the edge of the door frame. It is compatible if one is available. If not, kerf weather stripping installation may need more work or expert assistance.
Ans: Measure and cut the new weather stripping to fit after carefully removing the old one from the slot. Once the new strip is firmly in place, press it into the kerf.
Ans: It increases comfort by preserving constant interior temperatures, saves heating and cooling expenses, lessens drafts, and may assist lessen noise pollution.
Ans: Depending on wear and tear, it may need to be replaced every few years, therefore it's a good idea to inspect it annually to make sure it stays functional.
Ans: In order to meet varying gap sizes and sealing requirements, bulb diameters can be adjusted. To determine the right size, measure the opening that needs to be sealed.
Ans: Since paint might alter the material's flexibility and sealing qualities, the majority of types are not intended to be painted. If aesthetics are important to you, pick a color that goes well with the frame of your door.