k o l b e U ltra P ocket D oubl e H ung
Ultra Pocket Double Hung Measuring Guide
Determining if the Ultra Pocket Double Hung is Right for You:
Check the existing frame for any signs of damaged or rotted wood. Repair or replace any damaged or rotted wood on the frame. Next, measure horizontally between the blindstop and the interior stop (Figure 1) to determine the jamb depth. If the damage cannot be repaired or the jamb depth is less than 3-1/4", the Ultra pocket double hung will not work for you. A new unit with full frame replacement will have to be used instead.
Things To Remember: ➢ Record measurements and round down to the nearest 1/8". ➢ Measure each window, even if they appear to be the same size. Measuring the Opening:
1. Check the opening for squareness. Measure diagonally from corner to corner, repeat for remaining corners (Figure 2) . Measurements should be within 1/4" of each other. If the measurements are not similar, you will have to downsize the new unit accordingly in order to square the new unit in the existing frame. 2. Raise or remove the sash to take the measurements. You may also need to remove the jambliners if the side jambs are not visible (Figure 1a) . 3. To determine the width of the new window, measure from side jamb to side jamb. Measure across the top, middle and bottom to find the smallest dimension (Figure 3) . The smallest measurement will be dimension “A”.
Blindstop
Head Jamb
Interior Stop
3-1/4" jamb depth
Exterior
Interior
Figure 2 - Interior View Measure existing frame diagonally to check squareness.
Dimension “D”
Dimension “B”
Dimension “C”
Stool
Sill
Figure 3
Figure 1 - Cross Section Detail
4. For the height of the new window measure twice from the head jamb (top of frame) to the sill (bottom) to get dimension “B” and “C” (Figure 1) . Take three measurements - one at each side and one in the middle.
Exterior Trim
Blindstop
Dimension “A”
Side Jamb
Jambliner
5. Measure horizontally between the blindstop and the interior stop to get Dimension “D” (Figure 1) .
Interior Stop
6. Record dimension “A” (width) , dimension “B” (height), dimension “C” (height) and dimension “D” (width) for each window in the chart on the following page.
Figure 1a - Top View
Note: Kolbe will subtract 1/2" from the width and 1/4" from the height to obtain the actual size of the unit to be built. This is to make sure that the new unit will fit within the existing opening.
Figure 3 - Interior View Measure existing frame horizontally to determine width.
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U ltra P ocket D ouble H ung
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