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Mar-Flex

The Mar-Flex Stonewell egress window well is a one-piece polyethylene well with built-in steps and a stone-texture finish. It measures 75 x 49.5 x 64.5 in. and fits windows up to 5 ft. Add the WW-44450 clear window well cover, made to fit the Stonewell.

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Mar-flex WW-44440 Egress Window Well Speckled Sandstone 75" Wide Built-In Steps
Mar-Flex STONEWELL Egress Well Granite 75" x 49.5" x 64.5"
$2,199.00 - $2,199.00
$2,199.00
$2,199.00 - $2,199.00
$2,199.00

Mar-Flex STONEWELL Egress Well 75" x 49.5" x 64.5" - Maintenance Free, code compliant with built in steps

Mar-Flex
In stock

Transform Your Garage or Basement Safety Enhance your below-grade garage or workshop with a durable, maintenance-free egress win...

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Mar-flex WW-44450 Egress Window Well Cover Clear Protective Fit for Stonewells
$1,499.00 - $1,499.00
$1,499.00
$1,499.00 - $1,499.00
$1,499.00

Mar-flex WW-44450 STONEWELL Egress Window Well Cover Clear Protective Fit for Stonewells

Mar-Flex
In stock

Protect Your Stonewells Investment with Crystal Clear Window Well Cover Tired of constantly cleaning leaves, debris, and standing water from your ...

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Mar-Flex Stonewell Egress Window Well and Cover

An egress well holds back the soil outside a basement egress window and gives you steps to climb out. The Stonewell is molded as one piece, so there are no seams to assemble or seal.

Stonewell Egress Well Specs

  • Size — 75 in. overall width, 49.5 in. top projection, 64.5 in. total height.
  • Inside — 66 in. inside width, 34 in. inside bottom projection.
  • Windows — Fits windows up to 5 ft.
  • Build — Dual-wall polyethylene with built-in steps. Will not rust, dent or corrode. Ships as one piece, no assembly.
  • Compliance — Made in the USA and Build America Buy America Act (BABAA) certified.
  • Install — WW-44180 installation hardware kit sold separately.

WW-44450 Window Well Cover

The clear cover fits the Stonewell egress well. It keeps out leaves, rainwater and pests while letting light reach the window.

Mar-Flex FAQ

Is the cover included with the well?

No. The WW-44450 cover and the WW-44180 hardware kit are sold separately.

Do I need a professional installer?

Mar-Flex recommends professional installation for building code compliance, using the WW-44180 kit and the included installation guide.

Pair the well with an Escape in-swing egress window or browse the full basement egress collection. Questions? Contact us or call 855-559-5589.