by AAMA is .30 cfm/ft2. The lower the air leakage rate, the better a product is at keeping air out. Our windows are
proven to be virtually air tight with air infiltration ratings as low as .01. They perform up to 30 times better than competitors.
Is the window custom-made to fit your home?
Do the meeting rails have continuous Over & Under Interlock?
Condensation and air filtration are reduced.
Many competitors notch-out lock area, sacrificing performance.
Poor design filters rain run-off through the window extrusion and out weep holes,
causing them to clog.
Vinyl performs as well or better than framing materials
like wood or aluminum when measuring the rate of heat flow.
Tilt-in sash locks - safe cleaning inside home.
Limit locks - secure partial opening.
Heavy duty cam-action sash locks - secure, air tight.
Lift rails are part of sash extrusion, not snapped on.
Proven to reduce air and water infiltration.
Clean look from inside the home.
Many competitors have compound cuts that let air and water
into the home and show seams and gaps.
Prevents air infiltration.
Cleaner look from inside the home.
Extruded frames are 7X stronger than roll formed frames.
Screen spline is installed inside for protection against damaging UV rays.
Exterior applied spline deteriorates with UV exposure in competitor screens.
Cradled springs roll & unroll along double hung sash for silent and smooth
operation. Concealed inside frame. Other products use inferior balance
systems that break or fail to operate over time.
be opened fully for emergency exit.
balance must be replaced.