- All vinyl frame is maintenance free – no painting or rusting!
- Fully braced to support window during the concrete pour
- Half-screen removable from the inside
- Available in 8″, 10″ and 12″ wall thickness
- Click Here for all other sizes
Not finding the right size? Get a FREE quote from our partners at Window Well Experts for a custom-size product.
Yes, I want my Free Estimate30.5″ x 12″ Basement Window by WindowWellCovers.com
- Available in full and nominal wall thickness (8”,
10”, and 12” walls – No pouring bucks) - Reversible if poured incorrectly – Header, jamb
and sill parts snap-in for correction - All vinyl frame is maintenance free – No painting or rusting
- Fully braced to support window during the concrete pour
- 3/4” insulated Low-E glass is standard – U value of 0.37
- Window is poly-wrapped before pour to prevent any concrete getting on window
- Sashes are removable from the inside
- Half-screen is removable from the inside
- Both sashes and frame are weeped for superior water drainage to the outside
- Sashes are double-weather stripped to protect from outside weather infiltration
Available Slider Basement Window Sizes
Model Number
Frame Dimensions
Available Wall Thicknesses
FWS-3012 (This Listing)
30.5″ Width x 12″ Height
8″, 10″, and 12″ thick
FWS-3016
30.5″ Width x 16″ Height
8″, 10″, and 12″ thick
FWS-3020
30.5″ Width x 20″ Height
8″, 10″, and 12″ thick
FWS-3024
30.5″ Width x 24″ Height
8″, 10″, and 12″ thick
FWS-3216
32″ Width x 16″ Height
8″, 10″, and 12″ thick
FWS-3620
36″ Width x 20″ Height
8″, 10″, and 12″ thick
FWS-4828
48″ Width x 28″ Height
8″, 10″, and 12″ thick
FWS-4848
48″ Width x 48″ Height
8″, 10″, and 12″ thick
FWS-5142
51″ Width x 42″ Height
8″, 10″, and 12″ thick
FWS-6048
60″ Width x 48″ Height
8″, 10″, and 12″ thick
