bedroom with open black casement window

GBS Building Supply Greenville, SC

GBS Building Supply,Greenville,SC


103 Old Mill Rd

Greenville, SC 29607

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Monday: 7:30AM to 4:00PM
Tuesday: 7:30AM to 4:00PM
Wednesday: 7:30AM to 4:00PM
Thursday: 7:30AM to 4:00PM
Friday: 7:30AM to 3:30PM
Saturday: Closed
Sunday: Closed

Your Local Marvin Partner

GBS Building Supply partners with Marvin to deliver products and services that result in inspired spaces, helping people feel happier and healthier in their homes. We pride ourselves on our local market expertise. Our highly trained Marvin experts provide a comprehensive and catered experience that begins in the planning stage and continues after your project is complete.

Visit our showroom in Greenville, SC to hear more about Marvin and imagine the possibilities.

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We also provide the following Marvin services and solutions to ensure your project is a success.

Service Connection

A fully trained team to support your Marvin product service and repair needs.


Your one-stop-shop from the initial consultation to an expert installation.


Marvin windows and doors are designed to connect the indoors with the outdoors, creating new possibilities in the spaces we live, work and play. Explore these Marvin solutions at our showroom today.

  • Marvin Signature® Collection

    • Marvin Ultimate

    • Marvin Modern

  • Marvin Elevate® Collection

  • Marvin Essential® Collection

  • Skylights

open concept home with awning and casement windows

GBS Building Supply

103 Old Mill Rd

Greenville, SC 29607