In Fallout 4, adhesive is a critical crafting resource used to repair gear, build settlements, and fabricate weapon modifications. Learning how to make adhesive efficiently helps you stay equipped and expand your settlement without relying on random loot.
This guide walks through reliable methods to produce adhesive, compares key sources, and answers common player questions. Use the tables and steps below to optimize your crafting workflow.
| Method | Required Materials | Production Rate | Best Use Case |
|---|---|---|---|
| Chemistry Lab | 5 Polymer | 1 batch = 5 adhesive | High-volume crafting, settlement production |
| Weapon Mod: Field Surgeon | 5 Repair Kits | 1–3 adhesive per use | Combat emergencies, on-the-spot repairs |
| Scrapping Electronics | Various electronics, junk | Variable yield | Early game, resource scarcity |
| Workshop Crafting | 5 Polymer per batch | 1 batch = 5 adhesive | Base-bound production, planning ahead |
Set Up Your Chemistry Lab
The most consistent way to make adhesive is through a Chemistry Lab. Each batch consumes 5 Polymer and yields 5 adhesive, making it predictable for planning large projects.
To build one, place a Chemistry Station in your workshop and assign settlers with the Charisma and Intelligence traits to manage it. High intelligence improves production speed, while charisma can reduce material costs through efficient management.
Use the Field Surgeon Modification
How the Field Surgeon Works
The Field Surgeon weapon mod converts Repair Kits into adhesive during combat or exploration. Every time you use a repair kit on a weapon, you gain a small amount of adhesive as a byproduct.
This method is valuable for scavengers who prioritize weapon maintenance, turning routine repairs into a steady trickle of crafting material.
Scrap Electronics for Adhesive
Many electronic items, such as robots, fusion cores, and certain weapons, can be scrapped to produce adhesive alongside other resources. This approach is most effective in the early game when Polymer is scarce.
Use a high luck build or companion with the Black Market Dealer perk to access better junk locations, increasing the chance to find electronics with higher adhesive yields.
Optimize Settlement Production
Settlements can generate adhesive passively when you assign residents with the appropriate traits to a Chemistry Lab. Pairing multiple chemists and providing them with workstations boosts output and supports long-term crafting plans.
Regularly stock the lab with Polymer and manage supply routes to ensure ingredients arrive even when you are away from your base.
Key Takeaways for Efficient Adhesive Farming
- Run a Chemistry Lab with skilled settlers to mass-produce adhesive using Polymer.
- Use the Field Surgeon mod to gain adhesive while maintaining your weapons.
- Scrap electronics early on to stretch limited resources.
- Assign intelligent settlers to optimize production speed and material use.
- Secure steady Polymer supplies through looting, trading, and recycling.
FAQ
Reader questions
Can I make adhesive without a Chemistry Lab?
Yes, you can scrap electronics or use the Field Surgeon mod to generate adhesive without a lab. These methods are less consistent but helpful when Polymer is limited.
Does Charisma affect adhesive production?
Charisma influences the efficiency of settlers working in a Chemistry Lab, indirectly improving production speed and reducing material costs through better management.
Is adhesive used for anything other than crafting weapons?
Adhesive is also required for settlement projects, repairing gear, and crafting armor mods, making it useful beyond just weapon modifications.
What is the best source of Polymer for adhesive crafting?
Looting robots, purchasing from traders, and converting old-world electronics into raw materials are the most reliable ways to gather Polymer at scale.