Metaglass and Kiln Upgrades Guide

If your factories keep stalling because you can’t get enough Metaglass, or your next power and liquid builds are waiting on it, you’re at the point where a dedicated Kiln setup starts paying off. Start treating Metaglass as a planned industrial line, not a spare material you grab when the core happens to be full. This guide shows you what to prioritize, how to feed the Kiln, where the bottlenecks appear, and how to keep Metaglass flowing for buildings, defenses, and upgrades without starving your core supply.

Start Metaglass production before your expansion hits a wall

Metaglass is one of the early materials that quietly unlocks the rest of your base. The Kiln turns Lead and Sand into Metaglass, and that single output supports a wide range of liquid-handling structures, mid-tier power buildings, some turrets, and unit-production infrastructure. If you wait until your water, coolant, or power network is already stretched thin, you’ll feel the shortage immediately.

The right time to begin is as soon as you start relying on liquid transport, mid-tier power, or naval and unit infrastructure. Lead is common on starter planets, and you’ll first encounter Lead and Copper on campaign maps, so there is no reason to postpone the chain. Set up the Kiln line early enough that Metaglass is already stockpiling when your next build queue asks for it.

Core recipe at a glance

Use this as your quick reference, then build the line around reliable input supply rather than spare ore.

Feed the Kiln with steady Lead and Sand, not leftovers

The biggest mistake is feeding the Kiln from whatever happens to be left over after everything else is built. Don’t do that. Treat Metaglass like a regular production chain and give it dedicated Lead and Sand inputs from the start. The Kiln recipe is simple, but simple chains break the moment one side of the input dries up.

Lead should be the first resource you stabilize. It is a fundamental raw material used across early and midgame construction and manufacturing, and its demand rises substantially later in a match or campaign. Lead is mined by primary drills and processed sources including Mechanical Drill, Pneumatic Drill, Laser Drill, Airblast Drill, and Separator. If you are still relying on a single weak extraction line, add more before you worry about perfect Kiln placement.

Sand matters just as much, but Lead is usually the more important early constraint because it feeds so many other systems at once. Build the Metaglass line only after you have a dependable Lead stream and a Sand route that won’t stall under traffic. If either input is inconsistent, the Kiln becomes a stop-start machine that wastes the point of automation.

Solve the bottleneck before you scale the line

Metaglass becomes the choke point the moment you start laying out liquid distribution, storage, or advanced power. That is where expansion usually slows down: you are not short on ambition, you are short on Metaglass. It is used for pumps, ducts, routers, junctions, tanks, and bridges, and it also feeds several generators and reactors. If you start queuing those structures before your Metaglass buffer exists, your build planner will grind to a halt.

Your first response should be to increase output or add buffering, not to keep expanding the same weak line. A small reserve gives you room to keep building while the Kiln catches up. This matters even more in competitive matches, where early lead shortages can stall initial expansion and force you to choose between industrial growth and defense.

The practical rule is simple: if your next build requires a chain of liquid movement, power upgrades, or factory support, boost Metaglass first. Don’t push into the next phase and hope the line sorts itself out. The bottleneck will only get worse once multiple systems start pulling from the same stock.

Route Metaglass to the builds that unlock your next phase

Your early Metaglass should go to the structures that remove the biggest bottlenecks first. That usually means liquid movement, storage, and the buildings that unlock further production. Build those before you spend heavily on defenses or specialized factories.

Metaglass is used for infrastructure like Armored Conveyor, Duct, Pulse Duct, Plated Duct, Liquid Router, Liquid Junction, Liquid Tank, Bridge Duct, and Phase Duct. It is also required for Mechanical Pump, Rotary Pump, Thermal Pump, and Water Extractor. Those are the pieces that make your resource network work at scale, so prioritize them before anything flashy.

Once the liquid backbone is stable, shift surplus into the structures that carry your next tech leap. Metaglass is also required for Silicon Crucible, Plastanium Wall (Large), Battery Diode, Thermal Generator, Differential Generator, Thorium Reactor, Impact Reactor, Wave, Tsunami, Foreshadow, Naval Factory, and Logic Display (Large). You do not need to unlock all of these at once; instead, spend Metaglass where it opens the next production layer or solves a current weakness.

Keep reserve stock so ammo and upgrades do not steal from industry

A healthy Metaglass line can still fail if every piece of stock gets pulled into combat or progression at the wrong time. Metaglass is used as ammo for Scatter and Cyclone, and it is required by the Multiplicative Reconstructor and by the Naval Factory for Risso production. It also supports certain unit upgrades up to tier three. That means your stockpile can disappear quickly if you let defense and industry compete unchecked.

The best habit is to keep a reserve specifically for non-industrial demand. That way, when waves hit or an upgrade path opens up, your turrets and factories can both keep working. If you spend every unit of Metaglass on ammunition during a fight, the rest of your base will feel the shortage immediately. If you dump everything into upgrade chains, your defense can go dry right when you need it most.

Plan for the split ahead of time. Keep enough Metaglass buffered that turret ammo does not drain your construction queue, and do not launch unit upgrades unless you know the line can absorb the demand. This is especially important once your base starts using Metaglass for multiple systems at once: liquid transport, power, naval production, and unit progression all draw from the same pool.

The cleanest way to manage it is to let the Kiln feed a storage buffer before you allow major expansion to consume the surplus. That gives you a cushion for emergencies and stops your industrial line from collapsing the moment you switch one more building on.

Build the line in the right order

If you want a simple priority path, follow this sequence: secure Lead, secure Sand, place the Kiln, buffer the output, then spend Metaglass on liquid infrastructure first. After that, expand into power buildings, naval production, and upgrades. This order keeps your base moving forward instead of forcing you to pause every time a new structure asks for the same material.

The guiding idea is straightforward: Metaglass is not just another item, it is the material that lets your base become more efficient, more connected, and more specialized. Get it flowing early, keep the inputs steady, and protect your reserve so industry, defense, and upgrades can all coexist without starving each other.