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| Operable Units (frame dimensions*) |
1' 1 3/4" (349) |
5' 0 " (1524) |
2' 0 3/8 " (619) |
10' 0" (3048) |
| 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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| Historically accurate grilles (permanent interior and exterior with nonglare
foam spacer) |
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| Applied grilles (permanent interior and exterior) |
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| Removable between-the-glass grilles (clad-matched exterior and wood or 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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| Antique Brass, Chrome |
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| Rocky Mountain Hardware** (solid bronze) |
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| Screens1 |
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| Flat (fiberglass) |
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| Vivid View™ (high transparency fabric2 ) |
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| Rolscreen® |
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| Clear Insulating Glass |
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| Argon-filled, Low-E Insulating Glass* |
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| Dual Glazing with Between-the-Glass Options |
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| Triple Glazing with Between-the-Glass Options |
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| Laminated Glass |
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| Impact Resistant Glass |
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| Tinted Glass |
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| Reflective Glass |
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| Spandrel glass or panels |
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| * High-altitude Low-E insulating glass does not contain argon gas. |
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| NFRC U-value Total Unit |
0.32 - 0.53 |
0.25 - 0.51 |
0.32 - 0.50 |
0.29 - 0.513 |
| Design Pressure* (psf) |
30 - 50 |
30 - 50 |
30 - 50 |
20 - 90 |
| Structural Test Pressure (psf) |
45 - 75 |
45 - 75 |
37.5 - 75 |
30 - 135 |
| Water Penetration |
none @ 4.5 - 7.5 psf |
none @ 4.5 - 7.5 psf |
none @ 7.5 psf |
none @ 15 psf |
| Air Infiltration (@ 1.57 psf) |
0.30 cfm |
0.30 cfm |
0.30 cfm |
0.05 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 |
0.25 - 0.51 |
0.25 - 0.51 |
| Solar Heat Gain Coefficient |
0.32 - 0.79 |
0.26 - 0.79 |
0.41 - 0.79 |
0.32 - 0.79 |
| Shading Coefficient |
0.37 - 0.91 |
0.31 - 0.91 |
0.47 - 0.91 |
0.37 - 0.91 |
| % UV Transmission |
7 - 62 |
5 - 63 |
16 - 62 |
7 - 62 |
| LBL Fading Damage4 |
0.18 - 0.64 |
0.15 - 0.65 |
0.33 - 0.64 |
0.18 - 0.64 |
| % Visible Light Transmission |
40 - 83 |
33 - 83 |
72 - 83 |
40 - 83 |
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 |
27 - 35 |
30 - 33 |
27 |
28 - 36 |
| OITC Rating |
25 - 31 |
23 - 27 |
22 |
24 - 32 |
| 5Performance based on standard glass options. |