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| Operable Units(frame dimensions*) |
4' 11-1/4" (1505) |
15' 8 1/8" (4778) |
6' 2" (1879) |
7' 11 1/2" (2426) |
| Nonoperable companion units (frame dimensions*) |
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| • Rectilinear (maximum of 50 square ft) |
8" (203) |
10' 0" (3048) |
8" (203) |
10' 0" (3048) |
| • Curve Top |
1' 0 " (305) |
9' 0" (2743) |
10 1/2" (267) |
8' 0" (2438) |
*Opening = frame + 3/4"
Sizes listed in parenthesis denote millimeters.
Larger & smaller sizes available on custom basis. See your local Pella sales representative for more information. |
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| Between-the-glass Slimshade® mini-blinds |
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| Between-the-glass cellular fabric shades |
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| Between-the-glass decorative panels |
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| Woods |
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| Pine |
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| Mahogany |
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| Alder |
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| Douglas Fir |
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| Grilles |
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| Historical accurate grilles (permanent interior and exterior with nonglare foam spacer) |
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| Removable between-the-glass grilles (clad-matched exterior and
White interior) |
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| Removable interior grilles (wood) |
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| Grilles-between-the-glass (White interior, exterior finish matches aluminum-cladding color) |
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| Hardware |
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| Champagne, White, Bright Brass, Satin Nickel, Oil-Rubbed Bronze* |
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| Rocky Mountain Hardware** (solid bronze) |
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| Screens*** |
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| Rolscreen® retractable screen |
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| Self-closing screen door |
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| Sliding screen door |
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* Oil-Rubbed Bronze is a living finish that will develop its own unique patina with use.
** Rocky Mountain Hardware is not available on all double-hung windows. See representative for availability.
*** Warning: Use caution when children or pets are around open windows and doors. Screens are not designed to retain children or pets. |
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| Clear Insulating Glass |
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| Argon-filled, Low-E Insulating Glass |
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| Dual glazing with up to two between-the-glass options |
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| Triple glazing with up to two between-the-glass options |
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| Laminated Glass |
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| Impact-resistant glazing |
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| Tinted Glass |
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| Reflective Glass |
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| NFRC U-value Total Unit (72" x 82") |
0.35 - 0.51 |
0.27 - 0.49 |
0.27 - 0.48 |
0.33 - 0.50 |
| Design Pressure* (psf) |
20 - 75 |
20 - 80 |
20 - 75 |
30 - 50 |
| Structural Test Pressure (psf) |
30 - 113 |
30 - 120 |
30 - 113 |
45 - 75 |
| Water Penetration |
none @ 3 - 11.3 psf |
none @ 3 - 11.3 psf |
none @ 3 - 11.3 psf |
none @ 7.5 psf |
| Air Infiltration (@ 1.57 psf) |
0.10 cfm |
0.10 cfm |
0.10 cfm |
0.10 cfm |
* Performance class and grade rating and related hallmark certification apply to single units only with appropriate glass options and not the combined or composite units.
3For 48" x 48" windows |
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| Winter NFRC U-value |
0.25 - 0.51 |
0.16 - 0.50 |
0.16 - 0.50 |
0.25 - 0.53 |
| Solar Heat Gain Coefficient |
0.32 - 0.79 |
0.26 - 0.79 |
0.26 - 0.79 |
0.40 - 0.76 |
| Shading Coefficient |
0.37 - 0.91 |
0.31 - 0.91 |
0.31 - 0.91 |
0.47 - 0.88 |
| % UV Transmission |
7 - 62 |
5 - 63 |
5 - 63 |
16 - 56 |
| LBL Fading Damage4 |
0.18 - 0.64 |
0.15 - 0.65 |
0.15 - 0.65 |
0.33 - 0.59 |
| % Visible Light Transmission |
40 - 83 |
33 - 83 |
33 - 83 |
72 - 81 |
4Developed by Lawrence Berkeley Laboratories, the LBL damage function is a better predictor of fading damage than UV transmission.
Lower values indicate less fading potential. (NOTE: This value does not consider visible light.) |
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| STC Rating |
30 - 35 |
31 - 35 |
32 - 35 |
27 - 28 |
| OITC Rating |
27 - 31 |
26 - 28 |
25 - 27 |
22 - 24 |
| 5Performance based on standard glass options. |