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Pella Proline is a complete line of windows and doors that shine brilliantly, beautifully and efficiently, year after year.  That's because they share the same high Pella standards for tough, durable, energy-efficient construction - and the same high performance features - that make Pella products so dependable.

• Beauty of Wood - Wood sash and frame are made from select treated softwoods.  Interior comes unfinished, ready to paint or stain to match your decor.
• Solid Wood Construction - Wood offers outstanding insulating qualities.  In fact, it insulates 1,500 times better than metal.
• Sash corners joined three ways - we use interlocking wood joints, glue, and special metal fasteners to make Pella windows strong and exceptionally durable.
• Low-maintenance Exteriors - Durable aluminum cladding is finished with our tough Enduraclad™ coating.  It's a combination that resists fading, chalking, and corrosion.  Available in three standard colors:  tan, white, and brown.
• Easy to clean - All Pella Proline windows have features that make it easy to clean the exterior glass from the interior.
• Preassembled and easy to install - No guesswork and no special tools required.  Proline products are made in three standard wall depths.
• Optional muntin bars - Choose Pella's removable roomside wood muntin bars for the appearance of divided light.
• Superior weatherstripping - Compare our air filtration figures with any other brands.  Pella windows are a full six times tighter than the highest residential standard for air infiltration.  That's assurance your home will be more comfortable.
• Factory-tested for air infiltration - Only Pella tests every venting Proline window and door as part of the manufacturing process.  If it doesn't meet our rigorous standards, we don't ship!
• Pella Proline 20/10 Limited Warranty - Twenty years on the glass and ten years on all other components make the Pella Proline 20/10 Limited Warranty one of the best in the business.