Authorized Steelway Product Supplier: Pro Line Basement Supply in Manchester, NH

Supplying Quality Basement-Entry Solutions Across New England

Pro Line Basement Supply is New England’s leading source for Steelway Custom Cellar Doors and related basement-entry products. Based in Manchester, NH, they proudly serve homeowners, contractors, and builders across New Hampshire, Massachusetts, Maine, Vermont, Connecticut, and Rhode Island, providing quick access to high-quality products and trusted installation resources.

About Pro Line Basement Supply

Founded in 2018, Pro Line Basement Supply was built on a simple mission: to make professional-grade basement-entry and waterproofing products accessible, affordable, and available when you need them. From cellar and bulkhead doors to egress systems and window wells, they supply the region’s most respected contractors and help homeowners get connected with reliable local installers.

Their Manchester-based team is known for responsive service, honest guidance, and an efficient distribution process that keeps projects on schedule, even through New England’s challenging building seasons.

Distribution of Steelway Products

As the authorized New England distributor of Steelway Custom Cellar Doors, Pro Line Basement Supply maintains a comprehensive inventory of Steelway’s most popular standard and custom products.

They work with both homeowners and contractors to:

• Select the right model and size for each project
• Ensure compliance with local building codes
• Provide pricing and product guidance
• Coordinate fast delivery or pickup options

If you’re not sure who can install your new door, Pro Line can connect you with trusted local installers throughout New England.

Whether you’re a homeowner looking to upgrade your basement access or a contractor managing multiple builds, Pro Line Basement Supply makes it easy to get genuine Steelway products and dependable installation support in one place.

Steelway Products Available

Pro Line offers a full line of Steelway and compatible products designed for safety, strength, and lasting performance.

Available Products Include:

• Cellar Doors – Standard and Custom
• Bulkhead Doors – Standard and Custom
• Sidewalk Doors
• Window Well Covers
• Window Wells & Covers
• One-Piece Steel Cellar Entrances

Licensed and Reliable Supply Partner

• Fully licensed and insured in NH, MA, ME, VT, CT & RI
• Over 7 years of experience in regional construction supply
• Commitment to quality, compliance, and customer satisfaction
• Same-day shipping available on select items
• Dedicated to supporting homeowners and contractors with responsive, expert service

Service Areas

Pro Line Basement Supply supports the entire New England region, ensuring fast delivery and dependable connections to local installers.

• New Hampshire

• Massachusetts

• Maine

• Vermont

• Connecticut

• Rhode Island

Build Better Basement Access with Pro Line Basement Supply

When it comes to securing safe, durable basement access, Pro Line Basement Supply is your first call for Steelway products in New England. As the region’s lead distributor, they combine the availability of top-tier materials with connections to trusted local installers—so you get both quality and confidence from start to finish.

Contact Steelway Custom Cellar Doors today to locate your nearest Pro Line Basement Supply distributor and get connected with a trusted installer near you.