May 2-4, 2023 – Wisconsin Center - Milwaukee, WI


Seneca Millwork

Fostoria,  OH 
United States
  • Booth: 302

Seneca Millwork is an industry leader in hardwood and flexible polyurethane transitions. All of our products are made in the USA and are unsurpassed in quality. Transitions are available in a variety of sizes, species, stains and finishes. Our SignatureEdge hardwood stair treads feature 5 edge design styles for a personalized touch. Also available are hardwood and multilayer flooring vents in several standard sizes in addition to custom sizes. They are available unfinished or prefinished.

Welcome to Seneca Millwork--in business since 1873!

SENECA MILLWORK has been manufacturing wood products for over 150 years.  Today Seneca manufactures high quality hardwood transitions for the flooring industry.  Products include base products, t-moldings, stair nosings, reducers, thresholds, base products and stair treads.  Our durable moldings are available unfinished or prefinished utilizing our unique ColorMaster stain and finish matching system.  Beautiful specialty finishes such as wire-brushed, sculpted and distressed are also available.

SignatureFlex, our line of flexible polyurethane molding transitions, is perfect for those special situations where wood transitions just won't work.  Products are sold unfinished, but can be stained, painted and treated like wood.  They are available in 12 foot long straight or pre-curved profiles in a smooth or oak grain texture.

Seneca Millwork offers hardwood vents.  They are available unfinished or prefinished to coordinate with customers' flooring and our other hardwood transitions. Standard and custom sizes are available.  Multilayer flooring vents are an additional option.

Contact us at for more information.

Brands: SignatureFlex SignatureEdge Collection


  • Hardwood Mouldings
    Seneca Millwork offers a wide variety of high-quality hardwood transitions, all manufactured in the USA....

  • All of Seneca Millwork’s hardwood products are available unfinished, prefinished (primed or stained) or custom color-coordinated. All prefinished products are coated with an environmentally-friendly water-based low VOC polyurethane coating. It is vacuum-coat applied and UV-cured with gloss levels made to specifications. Each piece receives a minimum of two coats.  Hardwood flooring is available in a large variety of special textures and designs that capture timeworn charm—such as distressed, sculpted, wire brushed and antiqued finishes. Modern techniques such as multistep, glazed and matte finishes also offer style and flair. Seneca can mimic the appearance of specialty finishes with a coordinating environmentally friendly product.

  • SignatureFlex Moldings
    Seneca Millwork's SignatureFlex flexible moldings product line is designed for curved architecture and flooring applications...

  • SignatureFlex is manufactured out of polyurethane material and available in 12’ lengths.  The flexible moldings provide a strong, durable, cost effective alternative to custom wood applications. SignatureFlex products are temperature and water resistant and will not rot or swell.  Molding profiles can be ordered either straight or pre-curved. Straight moldings have some flexibility limitations so pre-curved moldings may be the best solution for tight radius applications. Flexibility depends upon several factors such as size, shape, direction it will be bent, and application.  All profiles are sold unfinished only. Those with a smooth surface can be painted after installation. Those with a wood-textured surface and can be painted or stained and finished after installation. Moldings can also be cut, fitted and fastened in the same manner as real wood and can be used inside or outside.