• The model S4 fits window wells that are half-moon shaped, have a 30-40″ opening (inside dimension) in length along the house, and have a 15-18″ projection (inside dimension) out from the house. Typically used with corrugated metal wells
  • Adjusts for a custom fit, allowing it to fit a variety of contours on a window well with ease
  • In order to determine the correct model of Grate your window well needs, make sure that you are measuring from the concrete foundation out to the window well, inside dimension, and lengthwise along the house – again the inside dimension. Make sure that you measure every well, as there can be different sizes of window wells even on the same house