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Double-Hung Windows
Traditional, classic, durable
— double-hungs give you all
of that plus energy efficiency
and peace of mind. Top and
bottom sash operate smoothly
allowing you to control air
flow, and they both tilt-in
for easy cleaning and care.
Grilles can be added to further
enhance the traditional look of
your home.

Used singly, or factory mulled with
transoms or other fixed or hung units to
add a dramatic accent to your home’s
appearance, while providing a brighter,
more open interior.

Single-Hung Windows
Our single-hung windows are built with a
fixed top sash, while the lower sash moves
up and down to allow ventilation.

In addition, the bottom sash conveniently
tilts-in for easy cleaning.

Structural interlock at
meeting rails provides
an additional layer of
protection and weather
resistance. Resource Center

Installation Instructions
Standard House Wrap

Installation Instructions
Integrated Moisture Barrier
Dual hollows at lift rail add
strength and insulation Direct set back bedding bonds glass
to sash, reducing air and water Double Hung
infiltration potential
Operation
Water management grooves
channel moisture away from Dead air spaces within the Double Hung
insulating glass sealant frame and sash profiles
further resist energy flow Screen Removal/Replacement
Fin seal weather-stripping Double Hung
at sill further reduces WOCD
air infiltration (Window Opening Control Device)

Closed cell compression seal at sloped sill Integral ¾" J-channel is designed into
resists air and water penetration frame. (Also available without J-channel.)

Single Hung/Double Hung www.mathewsbrothers.com