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Without knowing your level of window knowledge, this is explained for entry level.

The sash are the frames that hold the glass. In a double-hung window they are usually the two moving parts (if it’s working correctly). They are what we’ll be making for you to replace your old ones. The jamb is the larger frame that forms the box around the sash. I need to know the width and height of the inside surface of the jamb. When I make the sash I’ll figure the “cutback” so they will fit into the jamb with the jamb-liners I provide.

It’s usually hard to measure from the absolute bottom of the jamb because the stool covers the joint between the sill (the bottom of the jamb) and the lower sash. That’s not a problem, particularly for merely pricing. If you can open the window and measure from the sill interior most surface to the head for the height measurement, great. If that’s inaccessible, measure from the top surface of the stool to the recess directly above the lower sash then add the thickness of the stool (7/8″).

For width, just measure across the top of the lower sash from jamb side to jamb side. FYI, if you find variations of less than 1″ the windows were likely manufactured the same size and dimensions have changed with age.

Again, for pricing we don’t have to be real accurate since the windows are priced in united inch bands (UI is width plus height). For example, windows up to 72 united inches are $XXX

72 $XXX
84 $XXX+50
102 $XXX+100
114 $XXX+150
124 $XXX+200

Our authentically milled simulated divided lite muntins do add up though. They are very labor intensive and we charge $25 per lite for sash with more than one piece of glass. So a 1/1 (one lite over one lite) is the price above. A 6/1 adds $25 x 6 to the price and a 6/6 adds $25 x 12.

Use the spreadsheet proved with columns for “location” (or some sort of short window name), “Qty”, “width”, “height” and “Muntin Qty”. Also note if the window is DH or other and if it is anything but rectangular or square.

Using this spreadsheet as an Excel file helps us input the information for pricing purposes and eliminates data entry errors. If your can’t for some reason no worries. Thanks!



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