Gsi Seals

There are a lot of questions asked online regarding weather-strip.

What does a weather strip do? How effective is weather stripping? What is the best window weather stripping?, What is the best weather stripping for doors? How often should you replace weather stripping?, How much does it cost to weather-strip a door? How do you fix gaps in weather-strip?, How do you weather-strip a door? How do you seal a door gap?

You have come to the right place https://gsiseals.com/ to have all the answers you need, right at your fingertips. We have the best product – at the best price!

Why is our weatherstrip the right replacement weatherstrip for your home windows and doors?

It offers the perfect OEM replacement seal for the wood frame, casement windows and doors that take kerf-in weatherstrip.

Manufactured from OEM+ quality Thermoplastic Elastomer (TPE)

Most common hollow bulb size is 1/4”. Also available in 1/4” bright white and brown foam core for the top of the line window insulation. 5/16” hollow bulb diameter is also available for larger sized applications. Angled foam weather stripping can be used for patio sliders

Slip Coat on top of bulb decreases operating force in both sliding and sweeping application

Our Window and door weather stripping is proudly Made in the USA. GSI Weather Stripping offers free shipping on all online purchases.

We ship Monday – Friday via USPS First Class Mail, USPS Priority Mail, UPS, and Fexdex depending on package weight and dimensions.

PO Box shipments must be made through the USPS.

We ship to any location within the United States including Hawaii, Alaska, and Puerto Rico.