As shown on this dormer, a segmented extended leg eyebrow window brings both beauty and natural light to this home.

Unsurpassed beauty and elegance in this home is accomplished through the use of extended leg eyebrow windows mulled over top of a 2 lite operable casement window. The bump out features 3 segmented extended leg eyebrows creating stunning views and beautiful light. All windows feature colonial style grids. All grids are between glass for easy cleaning.

This classic brick house beautifully showcases both double-hung and an eyebrow window featuring Prairie-styled grids.

Two casement windows with colonial grids coupled with a half round adorned with scalloped grids provides both a unique and elegant look.

As shown on this home, beautiful double hung, casement, and specialty windows can be installed on any variety of building material including stone, brick and clapboard.

The radius top single hung windows on the garage and twin segmented radius single hung on the bump-out beautifully complement the larger radius top double hung window also on this home’s bump out.

There is no denying this home’s charm – accentuated on the first floor with transom windows over double-hung windows.

The patio door in this home extends living space to the outdoors.

The newly constructed home showcases triple casement windows both with single stylized grid extended leg eyebrow windows and triple transom windows.

Both higher-end and historical homes typically showcase Simulated Divided Lite (SDL) windows. SDL grids can be applied inside only, outside only or both depending on your jour jobs requirement or taste.

Both new construction and replacement windows are candidates for "mulling" – a "mulled" window is when multiple windows are joined together as shown in this picture.

2 lite slider windows are often found in single-story homes, condominiums and some multi-story homes. Both panels roll on double brass rollers for easy and smooth operation from either side.

This 2 lite casement window is flanked beautifully by green shutters providing a traditional Southern look to this home's porch.

In addition to white, National Vinyl windows can be color-matched to your specifications to best complement your home's exterior.

National Vinyl is able to accommodate commercial projects as well. A variety of replacement windows were installed in this Church. With a few special enhancements we are able to meet up to a Light Commercial rating of 60 on Double Hung windows. Our Casement windows can be rated Commercially giving you limitless opportunities to use vinyl for increased energy savings.

These cottage style double-hung windows maintain the integrity of this home's exterior with one larger and one smaller sash. Shown as "Cottage" where the lower sash is smaller, we can also make this as an "Oriel" style where the bottom sash is larger. Our standard configuration is either a 40/60 split (cottage) or 60/40 split (oriel) however we can customize your variation as needed, just let us know the distance from the bottom of the window to the top of the lock (meeting) rail and our automated computer manufacturing software Essential Structures will do the rest.

Combining transom windows with the double hung windows on the first floor differentiates the first floor windows from the second floor double hung windows.

This Extended Leg half round window shown here brings a simplistic beauty to this high-end home.

Varying the height of these double-hung windows brings architectural interest to this room.

Varying the windows in this home — both single and dual double hung as well as specialty picture window — provide both interest and beauty to this home's exterior.

This set of twin double hung windows feature our New England 3 ½" Exterior Flat Casing combining 4 over 4 grids in each window.

These two double hung windows each showcase 12 over 12 grids in each window sash and New England Flat Casing. The combination of casing and grids provides for an authentic New England look and feel to this new home.

This transom window over the double front-entry door unifies the windows and door of this home.