Nels-Tek pre-assembled window surrounds combine a beautiful and uniform finish with a simple and certain installation. Made to order, every surround is available with a variety of stock and custom components: casings, sills, and pediments. Mixing and matching a number of our extruded and milled Nels-Tek™ profiles provides endless possibilities sure to fit your project. Rabbeting is available to accommodate your windows nailing flange. J-Channels will accept siding of most makes and styles. All window surrounds are constructed with pocket-screws and PVC adhesive to ensure a remarkable appearance. Custom styles and components are available upon request.