Window Tools Inc. - Makers of the Jamb spreader
JAMB SPREADER TECHNICAL SPECIFICATIONS
  • The Jamb Spreader is patented (U.S. Patent #5,224,298).
  • It works with most brands of quality double-hung windows utilizing flexible vinyl jamb liners ("compression jambs") and incorporating a tilt feature.
  • It spreads vinyl jambs for windows with glass widths from 20" to 36" (jamb-to- jamb widths of 22 ¼" to 38 ¾").
  • We also offer an add-on piece which allows the tool to work with  40" windows (new item), as well as a "junior" version of the tool for glass widths from 16" to 28." Please contact us if you are interested in either of these special-order items.
  • The Jamb Spreader is ideal as either a value-added handout for your new installation customers or as a retail item for current tilt window owners.
  • We can screen-print your company name and logo onto the tools that you order (please refer to our page on custom printing for complete details).
  • The Jamb Spreader is also very useful for installers as an adjustable-width spacer when installing replacement units (or even when hanging doors!).

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About Window Tools
| About The Jamb Spreader
About Compression Jamb Windows
| Step-By-Step Instructions
The Jamb Spreader Technical Specifications
| Compatible Window Manufacturers
Custom Printing of Dealer Names & Logos | Purchase The Jamb Spreader
Frequently Asked Questions
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