Bow - Bay


Double Hung

Garden window

Hopper Replacement Window

Picture Window



TRI-MAX Shapes

New Construction

SWS's most energy efficient window with triple glazing, boasting a .22 U-Value, .26 SHGC & DP 40 standard

SWS’s most energy efficient window with triple glazing, boasting a .22 U-Value, .26 SHGC & DP 40 standard

(a DuraGard XT product)

New Construction:   Awnings  Bays-Bows  Casements  Double Hung  Garden  Picture  Product Inquiry  Shapes   Slider



Dual Wall Integrated Lift Rails

Fully Tilting Sash with Recessed Tilt Latches

Dual Wall Interior Dam Leg

Inverted Constant Force Sash Balance

Interlocking Sash Meeting Rails

Deluxe Low Profile Sash Vent Stops

Sloped Sill allows for proper drainage on outside of window

Therma Core Reinforced Meting Rails

Fully Welded Beveled 3 1/4″ Frame

Extended Reach “Cam Action” Sash Lock

7/8″ or 1″ Insulated Glass Decreases Thermal Energy Loss

Exclusive Heavy Duty Extruded Aluminum Screen (Full Screen or Half Screen)

Exterior Glazed Sash

Closed Cell foam-filled bulb seal on lower sash

Super Spacer warm edge spacer to help reduce condensation

Quiet Triple Fin Pile Weather stripping

Fully Welded Sash.  Keeps sash permanently square and true.


Specialty Wholesale Supply (SWSS) is the Maki Corp MANUFACTURING DIVISION. SWS is a leading manufacturer of quality vinyl windowsexterior doors, interior doors,  patio doors,custom millwork at the Mill Shop, metal fabrication, screen enclosures, countertops, vinyl railing, vinyl fencing, and trusses.



Transom Three Mull
Click IMAGE for HD version
Click IMAGE for HD version
Click IMAGE for HD version
Click IMAGE for HD version


About SWS

SWS was founded in 1969. Products can be purchased through MAKI Building Centers in Lunenburg, Gardner, Sterling or directly through the SWS manufacturing complex featuring several manufacturing plants and centrally located in Gardner, Massachusetts.  As a family-owned business, we strive to make your shopping experience unique, informative, and personal.  SWS caters not only to architects, builders, and contractors, but also homeowners in Central New England.

The SWS staff enjoys working with you on your project whether your needs are large or small.     Contact us for more information.     Quote Request.


TRI-MAX windows (A Duragard XT Product) are:

Made to Order
Made to Fit
Made to Last
Call (866) 416-3916
Measuring Window Openings
New Construction – Rough Opening CLICK IMAGE for printable pdf


TriMax Shapes New Construction Interactive Window

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