First rate - top notch industrial ceramics / refractory insulating Engineering-manufacturing Company - Big shout out to Chuck Noble in Engineering and Jorge - aka Horhay in the Shop (master craftsman with refractory materials). This is a convenient west coast resource for the East Coast Unifrax products. they also have many other great things like crucibles, furnace accessories and even gas fireplace firelock and faux brick. Thanks for being there guys !