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Custom Northwood Interior Door Replacement Made Easy!

When it comes to installing doors from Northwood Architectural Doors, precision in measurement and accuracy in installation are key to ensuring a perfect fit and optimal functionality. Northwood doors are known for their exceptional craftsmanship and variety of finishes, offering a range of styles to complement any architectural design. These finishes are not only visually appealing but are also designed to be durable and long-lasting, adding both elegance and value to any property. The installation process of Northwood doors is conducted with meticulous attention to detail, ensuring that every door is perfectly aligned and operates smoothly. Allegheny Millwork & Lumber prioritizes a clean and efficient work process, guaranteeing that the installation causes minimal disruption to the homeowner’s daily routine. The commitment to a no-mess, complete installation reflects Northwood’s dedication to customer satisfaction and high standards of service, making the addition of their architectural doors a seamless and rewarding experience for any homeowner.



Architectural Interiors

Unique and Amazing

Every single door from Northwood Doors Inc. is a piece of art. Custom Solid Wood Doors, beauty that lasts forever. Ensemble of engineering, style, color, dedication and passion.

Every Door Is A Piece of Art

Excellent custom craftsmanship for solid wood doors, great service, great prices. Every door manufactured by us has our corporate stamp – a testament to our dedication and passion in woodwork.

Canadian Craftsmanship

Each Northwood Door is handmade in Canada using meticulously chosen local products. Our team of master woodworkers, draft people and finishers are committed to the highest standards of quality and expert detail.


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About Us

Why Builders Recommend Allegheny Millwork & Lumber

Our reputation for quality and excellence is why you should choose Allegheny Millwork & Lumber.  Our staff is highly knowledgeable and friendly.  We will help guide you through the myriad products when you are building or renovating your home.

From building materials to fine finishes, we have you covered.  Beautiful doors create a welcoming entrance to your home.  Crystalline windows and gargantuan patio doors can grace your property, framing the view and keeping you protected from the elements.  Our experts can help you make the decisions when choosing what is right for you.  No project is too big or too small.  Come see why the best contractors in Pittsburgh have been using Allegheny Millwork & Lumber for the last 40 years.

With over 350 moulding profiles in stock, we can adorn your windows and doors, ceilings, walls, and floors with quality woodwork to put your own stamp on the project at hand.  We can also match existing millwork to complete your historical renovation.

Additionally, we will help you design the kitchen of your dreams.  We encourage you to make an appointment in our 10,000 square feet design showroom.  You can also visit our virtual showroom by clicking on the link to the right  We hope to see you soon!