BiltBest Replacement Casement Wood Sash With Standard Glass CLICK HERE for measuring instructions. Please allow 20 days of production time for sashes. Wood sashes come primed on the exterior side and raw on the interior side. This product is made with standard glass. Also available with low e glass. We offer various types of grilles: Grilles sealed in the insulating glass, and three sizes of SDL (Grilles permanently applied to the interior and exterior of the glass). If your window requires grilles please contact us for pricing.