DeVAC: For New Commercial Construction or Renovation

At The Window Man we carry a number of window lines perfect for commercial new construction or renovation projects.

For example, the DEVAC 600 Series high performance dual frame Thermo-Barrier aluminum windows have a wide airspace between interior and exterior glass panes to conserve energy and reduce outside noise penetration. The unique, non-structural DEVAC Thermo-Barrier provides the key to effective performance by meeting essential design criteria:

* Insulates interior frame and sash from costly thermal transfer and improves condensation resistance.
* Effectively seals against air and water leakage through barrier into wall structures.
* Allows freedom of expansion and contraction while keeping structural integrity between interlocking parts.
* Interlocks aluminum frame members so that forces generated by thermal movement and structural load will utilize the barrier material for it's greater compressive strength. A design principle proven by 30 years of service with no failure.
* Custom sized to 1/32 of an inch. Available as double-hung, horizontal slider, removable panel and fixed panel. Historical designs and special shapes are offered.


DeVAC's exclusive dual-pane/dual-barrier design provides the highest STC (Sound Transmission Class) available in fully operating windows. STC's from 37 to 56 are obtainable in standard DeVAC window products glazed with common monolithic glass.

Devac's Thermo-Barrier™ frame and wide, trapped air space glazing system are key elements to the 600 Series' outstanding acoustic performance...performance not obtainable with laminated or sealed insulating glass.

Sound transmission loss tests consistently show the DeVAC Acoustic Window system provides better STC ratings than the same thicknesses in other systems. There is no significant acoustic benefit from laminated glass in DeVAC Acoustic Windows, which means an economical installation that is not in conflict with life safety requirements. (Research tests also show a loss of acoustic performance when laminated glass is subjected to cool weather.)

With DeVAC, windows are not an acoustic "weak link" in exterior walls. In fact, selecting from many DeVAC product and glazing combinations to acoustically match the values of window and wall is the best way to assure that needed performance is provided without uneconomical over-specifying. Devac acoustic windows offer attractive, cost-effective sound control for new developments saturated by aircraft or freeway noise. The ease of maintenance, cleaning and operation, coupled with adaptable designs and accessories, also make DeVAC Acoustical Windows a top choice for retrofit at sites experiencing increasing disruption from outside noises intruding on the interior environment.

To learn more about the DeVAC 600 series, or Optimum or H-lines commercial products, stop by any of our three Northern Virginia showrooms today.

Fiberglass Windows

The Window Man is proud to carry Comfort Line's fiberglass windows. These superior windows boast:

* 3-1/4" Frame depths - Perfect for replacement jobs. With addition of nail fins and extension jambs, ideally suited for new construction jobs.


* Stepped, sloped sash design - Provides for water run off and utilizes exceptionally weathertight foam weather-stripping.


* All mitered Sash Design - Provides extra strength and gives sash a traditional appearance.


* 7/8" Insulated Glass - Built with Double Strength gladss and thermally improved "Intercept" spacers for energy efficiency. Select Low-E glass with Argon Gas, or HR-10 glass with krypton gas to further elevate performance.


* Drop-In Exterior Glazing with snap in glass bead - Provides an esthetically pleasing appearance and virtually eliminates water penetration.


* Integral Interlock - Provides extra strength and blocks air infiltration at the meeting rails.


* Fully Weather-Stripped Sash Perimeter - Fin/Pile and q-lon foam weather-stripping together reduces air infiltration and enhances energy efficiency.


* Easy Clean, Tilt-In Sash - No need to get the ladder out. both sashes tilt in for safe easy cleaning from inside.
* Pultrusion technology - Used to produce our Fiber Frame TM lineals which will not split, splinter, warp, swell or bow.
* Fiber FrameTM lineals - Thermally nonconductive. These lineals have relatively the same coefficients of expansion and contraction as insulated glass.
* The result is an energy efficient, virtually indestructible framing material offering maximum strength and stability, piece after piece.
* Optional real stainable oak interior
* Optional Muntin Bars-colonial or diamond.
* Optional customized V-groove glass and elegant bencil brass grids.
* Optional custom colors matched to your specifications.

Wood Stile And Rail Doors

There are a variety of wood species that you can use for wood stile and rail doors: oak, ponderosa and western pine, Douglas fir, hemlock, maple, mahogany and cherry are all great choices. To speak to one of The Window Man's representatives about the wood species that's right for your stile or rail door, stop by one of our three Northern Virginia showrooms today.

Worried About Noise? Consider Mon-Ray

Mon-Ray custom fit secondary glazing windows and Mon-Ray custom fit classic series storm door may be an answer for you!


The unique design and applications of Mon-Ray windows far exceeds the performance standards of other storm windows. Rising energy costs and the growing problems of outside noise infiltration have made it necessary to consider upgrading existing window units. Mon-Ray provides an additional insulating blanket of air space and dramatically reduces costly air leakage. Mon-Ray secondary glazing windows can be adapted to any existing window opening.

Mon-Ray Classic Series storm doors are the result of over forty years of research, design and production. Pound for pound, no other storm door can compare to its overall strength, energy-efficiency and attractive, trim-line appearance.

The exceptionaly strong tubular frame and Z-bar are made of tough T6 aluminum. This additional heat tempering gives the aluminum a special retention memory. When twisted it will return to its original, straight-line shape. Because of the superior strength of T6 tempering, the aluminum extrusions in the Classic door are not as thick and bulky as those in other doors. The result is a more attractive, trim-line appearance with more area for viewing and ventilating.

Each of the corners are neatly joined together with a solid aluminum gusset that is over 1/4" thick. The corner gussets are securely anchored to the frame with four stainless steel screws to prevent twisting and separating. The sturdy, tubular, aluminum frame section will not easily bend, dent or sag.

To find out more about Mon-Ray products or to discuss noise filtration with one of The Window Man's consultants, stop by any of our three Northern Virginia showrooms today.

DeVAC 400 Series: Single Frame Non Thermo-Barrier

We're proud to carry the DeVAC 400 Series at all three The Window Man Northern Virginia locations. The DeVAC 400 are high performance single frame aluminum windows perfect for moderate temperature zones. The 400’s resistance to air and water penetration, as well as its structural characteristics, is similar to the 600 series, making it a popular choice for the temperature weather of Southern US.

You can achieve improved thermal performance by glazing the vertical or horizontal sliding windows with 1/2" sealed insulating glass. Fixed models can accept 1-1/4" insulated glass or panels. The 400 series can be coupled with the interior and exterior trims used in the DeVAC "no tear-out" replacement systems.

Colors for H-Windows

The Window Man, the exclusive dealer in the DC Metro area for H-Windows, is proud to carry this line not only because of H-windows superior performance, but also because of its stunning look. This high performance window, with extruded aluminum exterior and wood interior, comes in 4 standard powder coat colors (White, brown, tan & green) anodized finishes or custom colors. You can take a look at the colors on the H Window Company website, or visit one of The Window Man's three Northern Virginia showrooms.

Maintaining New Doors?

A lot of The Window Man customers wonder how they can make sure new doors last? First off, when you buy a new door make sure to finish all six sides.

If all six sides are not finished after purchasing, the warranty is voided. It's also the primary problem that contributes to wear and tear on your new door. The areas most often skipped are the top and bottom of the door, but they're actually more important to finish than the other four sides. Why? Moisture is going to hit that raw wood surface and affect the door, creating grooves in the wood.

For more information on making your new door last, or to see the wide variety of new doors to choose from for your renovation or new construction project, stop by one of The Window Man's three VA showrooms today.