When you’re looking for the best of the best, the Comfort Series 4300 casement windows can’t be beat! These windows are the envy of our competition because our casements have air infiltration ratings that are tighter than some of our competitors’ fixed windows!
One of the most important features of the casement window is the operating mechanism. After all, if the window doesn’t open and close with ease, it won’t be a customer favorite. That’s why we installed roto crank hardware with unbelievable leverage and power. The days of sticking sashes are gone with this hardware! We also include a foldaway handle, which is standard on all casements. The 4700 fixed window complements the 4300 casement as a stand-alone fixed window or can be used to mull fixed and specialty shapes in order to create custom configurations.
With twenty-one chambers of fusion-welded vinyl, this casement has uncommon strength, warmth and overall long-term performance characteristics. We seal the 4300 with two heavy compression bulbs and a third secondary exterior seal that blocks the weather before the interior compression seals even have to work!
To ensure the tightest possible full perimeter seal, we use a multi-point lock system along with interlocking hinge side locks. If you’re looking for a weakness in this window, you won’t find one!
The 4300 will impress the most discriminating customer. For the best in performance and operation, the 4300 Comfort Series casement is the ultimate choice!
Value Added Features such as Mulling, Extension Jambs, Brick Mold and Specialty Shapes are also available - click here to read more.
NFRC | TEST RESULTS | |
U-Value | .251 - .202 - .173 |
U-Value / Air Only* 4300, 4700HP, 4700LP |
.28, .29, .29 |
Solar Heat Coefficient | .181 - .17 Triple Glaze2 |
Visible Light Transmittance | .431 - .39 Triple Glaze2 |
Condensation Resistance Factor | 621 - 69 Triple Glaze2 |
*U-Values for our windows with 1/8" 366 LoÉ3 glass, air only, 1/8" clear glass, no muntins or argon in the air space. 1Thermal value w/ 3/4" OA, 1/8” 366/argon, 1/8" clear/argon, clear - No Muntins 2Thermal value w/ 1-3/8" OA ,1/8” 366/argon, 1/8" 366/argon, clear - No Muntins 3Thermal value w/ 1-3/8" OA ,1/8” 366/argon, 1/8" clear/argon, 180 (270 and 272 may be used in place of 366. Values are without muntins) |
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AAMA | TEST RESULTS | |
Test Window | 1 Lite 24" x 48" | |
Air Infiltration | .02 cfm/sq. ft. |
Water | 12 psf |
Structural | 135 psf |
Indoor/Outdoor Sound Transmission Class | 27 |
Sound Transmission Class(w/ 1/4 LAM x 1/8 A) | 33 |
AAMA Rating | CW-PG90-C |
Test Window | 1 Lite 32" x 60" | |
Air Infiltration | .02 cfm/sq. ft. |
Water | 12 psf |
Structural | 75 psf |
Indoor/Outdoor Sound Transmission Class | 27 |
Sound Transmission Class(w/ 1/4 LAM x 1/8 A) | 33 |
AAMA Rating | CW-PG50-C |
Test Window | 1 Lite 36" x 72" | |
Air Infiltration | .02 cfm/sq. ft. |
Water | 6.75 psf |
Structural | 60 psf |
Indoor/Outdoor Sound Transmission Class | 27 |
Sound Transmission Class(w/ 1/4 LAM x 1/8 A) | 33 |
AAMA Rating | CW-PG40-C |
Tested and Certified to AAMA/WDMA/CSA 101/I.S.2/A440-05 & A440-08 U-Value/SHGC/VT/CRF Tested to NFRC 100/200/500 |