Side-by-side test of two identical boxes: one interior fully flooded with penetrating epoxy, one left raw. Stored in a non-climate-controlled garage. Tracking any swelling, seam movement, and surface checking over time.
R&D Materials & Coatings Engineering
This page documents the real-world testing, failures, improvements, and engineering decisions behind Armor Core, Battle Guard, and the structural design of our wooden ammo & range boxes. If a box makes it into a Freedom Crate product line, it’s because it survived the abuse here first.
What This Page Is For
Freedom Crate Co. isn’t just about making boxes that look cool. The goal is to build real working equipment that can live in garages, trucks, sheds, and ranges for years — not just sit on a shelf. This page is where we:
- Document the materials we use (woods, epoxies, polyelastomers, fasteners).
- Show how interior and exterior coatings change durability and water resistance.
- Log test results from impact, moisture, and abuse testing.
- Share engineering changes we make based on what fails and what holds up.
If you’re a customer, a fellow maker, or a contracting officer evaluating Freedom Crate Co., this is where you see the thought process behind the products — not just the marketing.
Why Wood Instead of Metal or Plastic?
When people see a rugged storage box, they usually think metal or injection-molded plastic. Freedom Crate Co. deliberately chose wood as the primary structural material and then engineered coatings and reinforcements around it. This section explains why.
1. The Only Material That Doesn’t Require Electricity to Make
Metal requires furnaces, presses, welders, and a lot of power. Plastic requires expensive molds and high-energy injection machines. Wood is different: it’s a natural material that can be shaped with simple tools, scaled up in a small shop, and produced with minimal energy input.
In a world of supply chain shocks and power-hungry manufacturing, wood is the only structural material that can still be turned into real equipment with basic tools if it ever had to be.
2. Wood Becomes a Composite When It’s Sealed Correctly
Raw wood is porous, but once we flood the interior with penetrating epoxy and add optional liners, the box behaves more like a composite structure than plain lumber. The epoxy soaks into the fibers, stiffens the panels, and creates a continuous bead in the interior corners of the box.
- Epoxy forms a rounded corner fillet along the entire bottom perimeter.
- That fillet helps distribute impact forces and seals the joint against liquid intrusion.
- The end result is closer to a small boat hull than a simple wooden crate.
3. Lighter Than Metal, Tougher Than Plastics in Panel Form
Steel and aluminum can dent and deform. Many plastics crack, especially in cold weather or after UV exposure. A properly built wooden panel has thousands of fibers sharing the load, and the epoxy + liner system adds both stiffness and controlled flex.
- Wood flexes slightly under impact instead of caving in like thin metal.
- Epoxy and coatings help prevent checking, splitting, and delamination.
- Panels can absorb abuse from stacked crates, vehicle transport, and field use.
4. No Rust, No Cold-Weather Brittleness
Metal wants to rust. Plastics can turn brittle in the cold or soften in extreme heat. A sealed wooden box avoids both problems.
- No corrosion layer to manage over the life of the crate.
- Fasteners bite into wood and stay tight instead of loosening in plastic.
- Coatings bond extremely well, turning the outer shell into a protective skin.
5. Repairable Instead of Disposable
A dented metal case is hard to fix. A cracked plastic case usually gets thrown away. Wood has a built-in repair path:
- Panels can be sanded, patched, and recoated.
- Corners can be braced, glued, or re-epoxied.
- Hardware can be moved, upgraded, or replaced without scrapping the box.
6. Strength Per Dollar and Environmental Profile
Injection-molded plastic cases require expensive tooling before the first usable part is made. Metal cases require industrial equipment and higher material cost. Wood delivers one of the best strength-per-dollar ratios for field gear.
It’s also renewable, doesn’t create microplastics, and doesn’t require smelting, melting, or high-temperature processing.
What About Plastics and 3D Printing?
Modern plastics and 3D printing are impressive. You can print almost any geometry, swap in carbon-filled filaments, and even print in metals. But for rugged storage crates, there are some realities that matter more than hype.
- Energy & infrastructure required: every plastic or 3D-printed crate starts with a powered machine, spools or pellets, heated nozzles, and electronics. If the power goes out, production stops. With wood, you can still build a working box with hand tools, nails, and rope.
- Time to make one box: large 3D-printed objects take hours to print and babysit. A well-tuned wood shop can cut, assemble, and coat a box faster than most printers can finish a single full-size crate.
- Cost of materials & tooling: high-strength filaments and composite plastics are expensive. Industrial-scale plastic molding also needs costly molds before the first part is made. Wood delivers serious strength without that up-front tooling bill.
- Environmental reality: plastics don’t disappear. They break down into microplastics that end up in oceans, soil, and even wild-caught fish. Wood is a natural material that can be responsibly sourced and doesn’t turn into permanent dust in the environment.
3D printing and advanced plastics absolutely have their place, especially for complex parts. But for a field-ready ammo or range box, the philosophy here is simple: if you can build it from wood, you should. It’s repairable, renewable, and can be built without depending on a high-tech factory or a constant stream of electricity.
Bottom line: with the right joinery, fasteners, and coatings, wood becomes a lightweight, repairable, high-strength platform. That’s why Freedom Crate Co. starts with wood and then builds Armor Core, Battle Guard, and all future coating systems around it.
Armor Core — Interior PolyShield (Penetrating Epoxy + Liner)
Armor Core is our interior protection system. The idea is simple: seal the wood fibers from the inside out using a penetrating epoxy, then (where appropriate) back it up with a tough liner like a truck-bed–style coating.
Current Process (Typical)
- Flood coat with penetrating epoxy on all interior surfaces (bottom panel, side walls, ends, and lid interior).
- Allow full cure per manufacturer spec before adding any liner or topcoat.
- Optional: follow with a spray or roll-on interior liner for added abrasion and chemical resistance.
What We’re Testing
- How well the epoxy seals against oil, moisture, and humidity over time.
- How interior coatings behave with loose ammo, magazines, and range gear sliding around.
- Whether the epoxy + liner combo reduces panel warping, delamination, or rot in tough environments.
In normal conditions (indoor storage or garage use), a fully sealed Armor Core interior should dramatically extend the life of the box compared to raw or unsealed wood.
Battle Guard — Exterior PolyShield (Truck Bed–Style Coating)
Battle Guard focuses on the outside of the box — where impacts, scrapes, and weather hit first. Think of it as a tactical “armor plate” for wood, based on bed-liner style coatings.
Current Focus Areas
- Adhesion to epoxy-sealed vs. bare exterior surfaces.
- Scratch and gouge resistance when boxes are stacked, dragged, or tossed.
- Resistance to UV, moisture, and temperature swings (garage, truck bed, range).
What We’re Looking For
- A coating system that bites into the wood but still flexes with seasonal movement.
- Texture that gives good grip without shredding clothing or skin.
- Color and sheen that match the military / field-use look Freedom Crate is built around.
Advanced Composite Construction — Phenolic Plywood + Epoxy + Polyelastomer
Solid wood is the backbone of Freedom Crate Co., but the long-term goal is to push into advanced composite construction using high-grade plywood systems such as phenolic-faced panels. When you combine engineered plywood with penetrating epoxy and a polyelastomer liner, you get something closer to a small composite structure than a traditional wood box.
What Phenolic-Faced Plywood Brings to the Table
- Factory-applied phenolic faces that are highly water-resistant and abrasion tolerant.
- Multi-ply construction that spreads loads across many thin veneers for high stiffness.
- Consistent thickness and flatness compared to construction-grade sheets.
Layering Armor Core on Top
Even with a tough phenolic skin, we still want the interior fully sealed:
- Penetrating epoxy is used to flood interior seams and corners, forming a continuous fillet.
- This epoxy fillet ties the panels together structurally and helps prevent moisture from ever reaching the core.
- Any exposed edges of the plywood stack are sealed to guard against wicking.
Wrapping Everything in Battle Guard
On the exterior, a polyelastomer coating like Battle Guard locks the structure in:
- It adds a tough, impact-resistant shell that bonds to the phenolic face.
- Edges, corners, and hardware zones can be built up for extra protection.
- The result is a box that behaves like a hybrid of wood, composite panel, and armor coating.
Put together, phenolic plywood + Armor Core + Battle Guard represents the “ultimate” evolution of the Freedom Crate design language: lightweight, heavily sealed, and built to shrug off hard use.
Test Footage & R&D Videos
Below are real test clips from the shop and range — epoxy flood tests, water soak tests, impact tests, and anything else we throw at these boxes. All videos are hosted on the Freedom Crate Co. YouTube channel and embedded here.
Armor Core Epoxy Flood Test (Example)
Placeholder description — replace this with what you actually did in the test (soak time, observations, failures, and what you changed afterward).
Want to see every clip we post? Visit the Freedom Crate Co. YouTube channel .
Photo Gallery: Armor Core & Battle Guard
A closer look at real boxes on the bench — raw wood, epoxy-flooded interiors, and full Battle Guard shells. Click any image to expand.
Lab Notes & Engineering Log
These are quick snapshots of what we’re testing and changing over time — thicknesses, fastener choices, coatings, and structural tweaks. Think of it as a running notebook that explains why a later version of a box looks or behaves differently than an earlier one.
Coated exterior with bed-liner style product, then dragged the loaded box over concrete and gravel. Documenting where the coating scuffs, chips, or fails and whether corners or edges need extra buildup.
Questions from Buyers or Contracting Officers
If you’re evaluating Freedom Crate Co. for a purchase order, contract, or just want more detail on a specific test, you can reach out directly and request additional information, photos, or raw test notes.
Questions about materials, coatings, or test methods?
Email: steven@freedomcrateco.com
(or use the contact form on the site).