The fully adjustable threshold cap features a 3/8" travel for adjustment.  The riveted steel T-Nut adjustment mechanism will not fail and provides additional lateral stability and the chromium plated screws resist corrosion.  

Adjustable Oak Sill

Endura's sidelite seats are engineered for perfect sidelite panel placement on traditional oak, vinyl and aluminum sills.  Using strict manufacturing tolerances, we ensure consistent high quality and accurate positioning for traditional mull or patio systems.