This unit is used for field matching and field "fitment" as needed for on-site retro-fitting for numerous older wood casement windows from the 1970's, 1980's, 1990's and beyond 2000's - this unit ships in a 27" Overall Length. Casement Sill Stop Wood Cover Housing replacement part for many old wood casement windows. They come to you as an unfinished a-grade wood component, and we suggest you seal all sides. 

[Brand Keywords] Alpine, Andersen, Atrium, BF-Rich, Biltbest, Oldach, Caradco, Cascade, Certainteed, Craftsman, Crestline, Croft, Custom Windows, Eagle, Gerkin, Guardian Glass, Hurd, Jeld-Wen, Kolbe, Lincoln, Marvin, Milgard, Norandex, PGT, PPG, Peachtree, Pella, Ply-Gem, Quaker, Semco, Sierra-Pacific, Simonton, Traco, Truth, Entry-Gard, Weather-Shield, Therma-True, Harvey, Alside, Wenco, MI Windows, and others.