Sophisticated Double-Pane High-Performance Solar Low-E
for the South

Karma Features:

  • Fusion-welded sashes and frame for exceptional strength and durability to prevent air and water infiltration.

  • Dual-fin, wool-pile weather stripping protects around the perimeter of all sashes to fight air infiltration.

  • Certa-Force balance system provides smooth and easy operation and does not require lubrication or adjustment.

  • Integral lift rail features comfortable, user-friendly design and is more durable than snap-in lift rails.

  • Intercept warm-edge spacer and sealant system resists condensation so your windows will no longer fog up.

  • Extruded metal screen frame crafted with unobtrusive black fabric and matching black spline.

Product Detail

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Engineered sloped sill, featuring a double-wall sill dam, creates a super-strong bond between sill and jamb for maximum weather protection.


Cam-Action lock

Features durable zinc-cast design that pulls sashes and mechanical interlock tightly together to prevent air infiltration.


Soft-Seal™ straddle gasket

Is a closed-cell neoprene cushion-gasket under the sash that straddles the sill rail and helps prevent air and water infiltration.


Vent stop

When deployed, will limit sash travel to allow for ventilation while still providing a degree of safety.