TL;DR
- Pennsylvania forests grow more wood every year than the state harvests. That is a real margin, not a rounding error.
- Most of Pennsylvania's forestland is privately owned, and most of that sits with family landowners. Not industrial holdings.
- Lock and Grain sources solid American hardwood from this pool. We never buy tropical lumber. We never buy engineered panels.
- Sourcing locally limits us on species. We think the trade is worth it.
- Sustainable is a crowded word. Here is what it means at our shop, in plain terms.
The material question behind every piece of furniture
Before anyone talks about design or joinery or finish, there is a simpler question. What is this piece made of, and where did it come from. It is surprisingly easy to buy "hardwood" furniture and not know the answer. A label that says solid wood can mean a dozen different species from a dozen different countries, moved through a supply chain long enough that nobody at the factory could trace any single plank back to the stand it was cut from.
That is not how we work. Every panel in a Lock and Grain piece is sawn from one of a handful of North American hardwood species. Most of them grown, harvested and milled within a few hours' drive of our Pennsylvania workshop. The supply chain is short enough to hold in your head.
This post is what that means and why we picked it.
Pennsylvania grows more wood than it cuts
Pennsylvania sits on roughly 17 million acres of forestland, covering about 58 percent of the state. That makes it one of the most heavily forested states east of the Mississippi. It is also a working forest. For more than a century, Pennsylvania hardwoods (Oak, Cherry, Hard Maple, Hickory, Walnut and others) have been milled into furniture, flooring, cabinetry and trim.
What surprises people new to the topic is that the forest has been expanding, not shrinking, for most of that period. Each year, trees in Pennsylvania put on more total volume through normal growth than gets removed through harvest. The margin is real. Penn State Extension, the U.S. Forest Service Forest Inventory and Analysis program, and the Pennsylvania DCNR all point to growth that runs comfortably ahead of removals at the state level. The exact ratio moves year to year. The direction has been steady for decades.
That does not mean a harvest is free. A cut is still a cut. But in a well-managed hardwood forest, selective harvest is part of how the stand stays healthy. It thins crowding. It favors the trees that will carry the next century of canopy. It keeps younger age classes growing. Lock a forest away entirely and you do not get a richer forest. You often get a stalled one.
Who owns the forest matters
Most of Pennsylvania's forest is not owned by timber companies. The majority of forestland in the state is privately owned, and within that private share, the biggest chunk belongs to family forest owners. Individuals and households with holdings that are usually small. Often well under a hundred acres each. Add them up and they outnumber industrial and corporate holdings by a wide margin.
That ownership pattern changes how harvest decisions get made. A family forest owner is not optimizing a quarterly number. They are thinking about a property that has been in the family for a generation or two, with plans to hand it off intact. The forester they call to walk the woods is advising them on a century-long horizon. Not a five-year one.
When we buy lumber from mills that work with these landowners, we are paying into that same system. A board of Pennsylvania Cherry in your living room traces back, a few steps up the chain, to a small woodlot whose owner made a decision about which trees to cut and which to leave standing. That is a different story than the one behind a shipping container of tropical lumber sourced through four intermediaries from a forest nobody at the furniture factory has ever walked.
Why we never source tropical lumber
Tropical hardwoods like Teak, Mahogany, Ipe, Sapele and Acacia are beautiful. They are also, on the whole, the category of furniture wood where supply chain opacity is the worst, illegal logging is the most documented, and replacement timelines are the longest. A Pennsylvania Cherry tree can grow to furniture size in a human lifetime. Some old-growth tropical species being cut today are replacing themselves on a timescale measured in centuries, if at all.
Certification programs exist and some are rigorous. But honestly verifying provenance for a tropical species takes more than a label, and as a small workshop we cannot walk those supply chains ourselves. What we can do is just not buy them. So we do not.
Why we never source engineered panels
Particleboard, MDF and plywood with tropical face veneers are the structural backbone of most furniture sold in the United States today. They are cheaper than solid wood and often stronger in the specific direction they were engineered for. They are also, typically, bonded with formaldehyde-based resins that keep off-gassing for months or years. And their face veneers often come from exactly the tropical supply chains above.
A solid Pennsylvania hardwood panel skips both problems. The glue question does not come up. There is no glue between layers. The tropical veneer question does not come up. There is no veneer. What you see on the top of a Tyto table is the same wood, all the way through. That is a stronger claim than sustainable marketing copy. It is a structural fact about the material.
For the longer indoor air side of the argument, see How Synthetic Surfaces and Glues Can Affect Your Air Quality.
What we give up
Being honest about this means being honest about the trade. Limiting ourselves to North American hardwoods in solid form means we cannot offer some finishes, some grains, or some dimensional stability characteristics that engineered materials make possible. We do not make a bookmatched Sapele veneer top. We do not make a perfectly uniform composite panel that ignores the seasons. We are a small catalog on purpose.
In exchange, every piece we ship is a single category of material. Solid American hardwood. From a region where the forest is growing, owned mostly by families, and worked on a time horizon measured in generations. That is the version of sustainable we can stand behind without an asterisk.
The short answer
When someone asks where our wood comes from, the short answer is: Pennsylvania, mostly, from forests that grow more than they are cut, worked by small landowners, milled and fabricated in our own state. No tropical species. No engineered panels. Just solid American hardwood.
The rest of the catalog is built on top of that one decision.
Further reading
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