Proudly made in the USA

Today's fenestration challenges are numerous. There are several key aspects to incorporating a window or door into a structure as an integral system, rather than an afterthought. Our philosophy is to approach each project with this in mind. These aspects encompass low energy windows, longevity, functionality, and elegance.

Handcrafted Windows and Doors

KLM Custom Sash culminates over two decades of experience in the fenestration and millwork industry with beginnings in New Jersey, where colonial roots met European training. Today KLM ships windows, doors and millwork from Alaska thru Hawaii. Our production facility boasts very modern machinery specific to windows and doors, allowing a lean and cost effective project cycle.