Mainstay Sectional Right Armchair

$1,699.00 - $1,868.00


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Mainstay Sectional Right Armchair

The Mainstay Sectional Armchair, comprised of a pre-assembled base and three-piece cushion set, can be paired with other Mainstay Sectional pieces to create infinite arrangements, or used on its own.

The Mainstay Sectional is modular, unique, and completely customizable. Featuring high-quality materials such as UV20 resistant resin and marine-grade fabrics, the Mainstay Sectional is designed to withstand the sun, wind, and elements of any outdoor environment. Customize with hundreds of stylish color combinations, and create endless configurations using the Mainstay Sectional’s versatile pieces.


Modular Patio Sectional Features

  • Designed for deck-use
  • Base crafted of an extruded UV20 rated high-density polyethylene resin, color stabilized for up to 20,000 hours of direct sunlight
  • UV stable, moisture and mildew resistant
  • Withstands outdoor environment swelling, splintering fading or warping
  • Crafted of high-quality, marine-grade outdoor fabrics and EZ-Dri foam core
  • Easy strap and buckle system for securing cushions
  • Endless reconfiguring possibilities using interlocking system

Product Details



Products shall be free from material defects, and shall not splinter, crack, chip, peel, or rot for ten (10) years for residential use and two (2) years for commercial use from the date of purchase.


Marine-grade solution-dyed acrylic fabrics are warranted against light fastness for a period of ten (10) years.

Furniture grade solution-dyed acrylic fabrics are warranted for a period of five (5) years.

Cleaning and Care

  • For routine cleaning, use water and a gentle washcloth or microfiber towel
  • For deep cleaning, use water, mild detergent and a soft-bristle brush. 
  • If power washing is desired, start with a low PSI at least 3ft away from the furniture. While power washing, check often to ensure no inscription is being made on the furniture.
  • Always use a soft terry cloth for cleaning fabric. Always wipe in small circular motions. 
  • For deep cleaning or spot cleaning fabric, use a mix of mild detergent and water along with a soft terry cloth. Always wipe in small circular motions. 


Shipping Leadtime

Frequently asked questions

The two sectionals of the Mainstay collection are both excellent options with the same contemporary style. The main difference between the two is that the Mainstay Sectional’s backrest and armrest are built into the cushion, while these are independent cushions in the Mainstay Sectional Relaxed.

Our unique, snap-in-place interlocking system ensures Mainstay Sectional pieces stay together. Once you’ve secured everything in place, you can simply sit back and relax.

Mainstay Sectional cushions are secured with an easy strap and buckle system that’s strong enough to hold your seat together during the wildest outdoor entertainment event or windiest weather.

Mainstay Collection

The contemporary sophistication of this collection elevates any outdoor space. Create your outdoor living area with resort-quality outdoor furniture from award-winning design experts. Crafted out of extruded resin, Mainstay pieces are durable and designed to withstand sun, wind and elements in any outdoor environment. You won’t see any splintering, warping, or fading – even after years outside.