Build to Last

Excelsior Lumber and Kaslander Lumber offer everything you need to get the job done right—on time and on budget. From engineered lumber drawings, blueprint conversions, and kitchen and bath design software down to key cutting, tool sharpening, and gift certificates, we have everything you need for any home improvement project. Our expansive showroom displays the latest building material products for inspiration and our knowledgeable staff—with more than 50 years collective experience—waiting to assist you. Stop on by or give us a call, and let’s get to work!

Andersen Window Repair

We stock many common repair and accessory parts that can be purchased for the DIY homeowner or contractor. We have two factory-trained Andersen Service providers that can come to your location for repairs.

Keys Cut

Kaslander Lumber and Excelsior Lumber offer key cutting services. We carry a variety of keys to match your needs.


Kaslander Lumber and Excelsior Lumber offer sharpening services. If you need saw blades, axes, kitchen knives, or any other tool sharpened, we can help you. We have a trusted third-party sharpening service that picks up your items, sharpen them professionally, then quickly returns them to our locations for your convenience.


Excelsior Lumber offers propane refills at the our Butler store and sell replacement tanks, too.

Gift Certificates

Not sure what what to get that certain someone? Gift certificates are available upon request for Kaslander Lumber and Excelsior Lumber.

Product Showrooms

Excelsior Lumber in Butler, NJ has several product displays and showrooms to help customers visualize products in use.

Lumber Take Offs (Blueprint Conversions)

Excelsior Lumber and Kaslander Lumber can assist you with a lumber take off. We will send out your plans to one of our trusted vendors for a fee. Our vendor will make a list of the lumber required to build your project, and we will quote you on the project. If we get the job, we reimburse the fee. Please call to inquire cost of lumber take off, as this fee tends to fluctuate due to variations in plans.

Engineered Lumber Drawings

Kaslander Lumber and Excelsior Lumber can help customers figure out what engineered lumber is needed for any project. It’s as simple as you calling in what you’re doing. Then we pass on the information to one of our engineered vendors, who recommends a product that will best suit your project needs.

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