At the Rex Lumber Company, we are able to provide custom sealing, priming, staining and topcoat finishes to almost all types of mouldings using our spray finishing line.  Many expert finishers recommend that the best time to apply finish to wood is immediately after machining when it is clean and dry in a temperature and humidity-controlled environment.

We Work to Your Specifications

Like all of our other value-added operations we work to your specifications to meet your needs. Most mouldings that pass through the finishing line are sanded using our wide belt sander and/or our profile sander prior to having finish applied. Exceptions to this general rule include some interior and exterior paint grade mouldings that are being primed or perhaps even a flat topcoat and stain and clear coat that is being used in a lower end application by the end user.


We generally recommend that all mouldings being used in high end applications be sanded prior to finishing. Once a moulding is run and sanded it is brought into our finishing room, which is in a separate section of one of our millwork facilities. The finishing room is separated from the main section of mill to minimize dust and other foreign particles from contaminating any of the millwork as it is being finished, as well as to maintain the proper temperature and humidity control to ensure proper curing of finishes applied. The finishing line is set-up custom for each run depending on the size and shape of the moulding, the specie of lumber and type of finish being applied. Anywhere from one to six spray heads are used to apply the finish on up to three sides of the moulding in a single pass. The spray pattern, location and number of spray heads used vary depending on the moulding. As the moulding exits the finishing line is it fed into our automatic stacker, and then fed into drying racks. Once a drying rack is full it is removed and depending on the type of finish is either left to air dry or put into our 40’ x 60’ drying room to speed up the process. Once the finish is dried the material is then ready to be packaged, to be buffed, and/or have the next step of finish applied.

Custom Finishing

While we provide custom finishing, the finish on the first and last piece of any given run will be consistent. A moulding that has a multiple step finish will have to pass through the finishing line multiple times. An example of this process is a Hard Maple Casing to be sealed and have two coats of clear pre-catalyzed lacquer topcoat on the exposed faces. The first step is to sand the exposed faces of the mouldings. The second step is to seal all four sides; this will require two passes through the finisher. The first pass will apply sealer to the back of the moulding then, after drying, the moulding it is put back through the finisher to apply sealer to the exposed faces. After drying the moulding will be sent through the profile sanders, but instead of sanding to remove knife marks, the moulding is sanded with buffing wheels to smooth out the sealer. The next step puts the moulding back through the finisher, this time the first coat of Pre-Cat Lacquer is applied, and the moulding is allowed to dry. At this point, depending on our customers’ specifications, the moulding may be buffed again before the final topcoat, or it may just receive the final topcoat.

Any Finish You Want

We can spray almost any type of finish available. The list includes both water and solvent based (oil/alkyd based) finishes for both interior and exterior applications. The types of finishes we can apply include, but are not limited to primers, sealers, stains, dyes, bleaching oils, pre & post catalyzed lacquers (both clear and tinted), paints, and fire-retardant coatings.

If you provide us with your finishing specifications, including all stain #’s and topcoat #’s, then we will be able to use the same finish as any other components being produced for the job. At Rex Lumber Company we use many different brands of finishing products, but our default or standard brand is Sherwin-Williams.

We have the ability to color and finish matching to a sample that you provide us. This takes extra time to create a match and provide samples for approval. Additional costs may apply to get sample runs of finish and sample run of moulding.

AdvantagesLet Us Apply Finish vs In Your Shop

  • Applied using state of the art properly calibrated equipment.
  • Operators well trained on equipment operation and product use.
  • Consistent coating thickness.
  • Applied in temperature and humidity-controlled environment.
  • Applied to freshly machined wood surface at proper feed/coverage rates.
  • Identified costs and reduced labor in shop or at jobsite.
  • No VOC’s at jobsite.

The capacity of our spray line is between 1/4” and 3-1/2” thick, and 1” and 11-1/2” in width.

Retardant Treatment withDricon

Rex Lumber Company offers fire retardant treated mouldings that are run from 4/4 Red Oak and 4/4 through 8/4 Poplar.

Our fire retardant treatment is Dricon from Arch Chemicals. Kiln dried lumber is pressure treated to 100% penetration at a licensed pressure treating plant.  This is not a surface treatment or coating.  Following treatment, Dricon treated wood is re-dried to a moisture content of 6-8%

Dricon fire retardant treated material qualifies as a CLASS A/CLASS 1 fire retardant with flame spread and smoke development rating of 25 or less.

Rex Lumber Company is the only moulding and millwork manufacturer that is authorized by Arch Chemicals (Dricon’s manufacturer) to perform unlimited millwork to Dricon treated red oak and poplar. Our millwork, re-drying procedures and recording practices are routinely audited by an independent third party auditor.  We can rip, plane, resaw, glue, and make custom mouldings.

Certificate ofFRT Treatment

With Rex Lumber Company’s extensive millwork capabilities, we can make virtually any profile, panel, or component. Rex provides a copy of the FRT treatment certificate with the invoice as verification that the products shipped were manufactured properly from that FRT load of material..

For “green” projects, we can provide DRICON Fire retardant treatment to FSC® certified Red Oak and Poplar; making the product both Class A fire rated and LEED compliant

For large projects requiring fire retardant lumber, yields can be improved and waste reduced by pre-selecting and pre-ripping /crosscutting blanks prior to treatment.

In addition to Dricon treated products in Red oak and poplar, we offer primer with fire retardant additives- reaching a Class A rating. Clear fire retardant coatings are also available for other species requiring a Class A fire rating.

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