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Thermalator
The workhorse of our product line since 1983, the Thermalator (R-50) is available in styles including double hung tilt, two and three section sliders, picture windows, casement, awning, basement hopper, as well as bay and bow windows. Manufactured in our northeast Baltimore County plant, the Thermalator offers outstanding value and a speedy delivery. The limited lifetime warranty and local manufacturing make this a service-friendly window.
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ThermaWeld
The latest addition to our manufacturing line at BWF. The ThermaWeld has fusion-welded frames and sashes and all the same options and warranty available as our Thermalator. This is BWF’s commitment to our customers who want the latest technology along with an affordable price and availabily.

Great Lakes GrandView 3000
The GV 3000 window offers an outstanding value to the customer who is seeking the strength of
Pinch-Fusion welded PVC New Generation vinyl, the reliability of New-Tech block and tackle balances with Kevlar coating, the energy efficiency of the Intercept spacer system (between the double pane glass), and the beauty of the Colonial white or Camel vinyl.
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Great Lakes GrandView 4000
This premium window comes standard with
New Generation PVC vinyl, Pinch Fusion Welding, New-Tech block and tackle balances with Kevlar coating and the warm edge Intercept Glass System. R-Core Insulation on the main frames for greater overall R-Values. The GV 4000 window is available in 7 interior finishes and 4 exterior colors. There are ten grid options available as well as a complete line of decorative and high efficiency glass options.
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Great Lakes GrandView 5000
The 5000 Series window offers all of the features and benefits of the 4000 Series along with
R-core insulated sashes and master frames, as well as fiberglass reinforced lock and keeper rails and optional triple glaze.

Decorative options on the 5000 includes: Designer stained glass and Regal Florentine glass.

* All Grandview products have a Limited Lifetime Transferable Warranty.

** With the option of Low-E glass and argon gas, Grandview products qualify as EnergyStar compliant
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Trimline All-Wood Windows
Whether you’re doing a “wood replacement window” or a full frame tearout of existing wood windows, this is the window. When an all wood window is required, the Trimline all-wood window, gives you an affordable option. Trimline All-Wood windows are available in a variety of glass options as well as simulated divided lite or truedivided lites. Call your salesman for information.

*Trimline Aluminum clad window also available.

Champion Aluminum Windows
This window offers the
strength that only aluminum can provide. The thermal break on the aluminum window provides superior insulating qualities compared to earlier generation aluminum windows. Every Champion aluminum window has an AAMA Rating, which meets or exceeds most architectural requirements for commercial applications.
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