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NEW! Complete your exterior design with ASCEND ACCESSORIES.

ASCEND Composite Cladding now offers a full line up of accessories including H-Trim, J-Channel, Outside Corner Post and Lineal Trims.

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Let's Get Started

The Alside Visualizer is a valuable tool for any home renovation

Alside Visualizer

Our design tool shows you new siding and windows on your home before work even begins!

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Warranty

Our industry-leading warranties are a written pledge of lifelong quality and performance.

Use Alside's Distributor Locator to find a dealer near you

Distributor Locator

Looking to purchase Alside products? Find Alside Supply Centers and Independent Distributors.