Most buyers assess protection suppliers on price and lead time, which are the two things every supplier can answer. The useful differences appear when you ask about documentation, traceability and what happens when something does not fit. Those answers predict project outcomes far better than the unit rate does.
Question one: what can you evidence in writing
Ask for the fire classification if relevant, recycled content with its basis, and material composition. Then check the documents refer to the specific product being quoted, at the quoted thickness, rather than a product family. Suppliers who send the right document first time are generally easier to work with for the rest of the project.
Question two: how consistent is repeat supply
Protection gets topped up mid-project, and panels that arrived in month six need to match those from month one in thickness, colour and edge detail. Ask how they handle a repeat order: do they hold tooling, do they keep specifications on file, is colour matched from a retained sample. This is the question most often skipped and most often regretted.
Question three: what happens when it is wrong
Ask directly what their process is if panels arrive damaged, wrongly sized or late. Vague answers about sorting it out mean the problem becomes yours. Specific answers about replacement timing and who pays carriage indicate a supplier who has handled it before.
Question four: who actually makes it
Trading companies can be excellent, but know which you are dealing with, because the difference shows up when you need a technical answer. A manufacturer can tell you what happens if you change the core thickness; a trader has to ask someone and come back to you, sometimes slowly. Neither is wrong – you just want to know.
Question five: minimum quantities and lead times by volume
Ask how MOQ behaves on repeat orders and whether small top-ups are possible at reasonable rates. A supplier who will only ship full container quantities is fine for strategic buying and unhelpful when you are short of sixty panels next week. We covered making enquiries productive in an RFQ checklist for PP packaging.
Question six: can I visit or see production
Even remotely. Photographs, video, a factory audit report. For a small consumable this is overkill; for a multi-project framework it is proportionate. Suppliers used to scrutiny generally handle the request easily, which is itself informative.
References that tell you something
Ask for two customers doing similar work: one recently started, one several years in. The new one will tell you about onboarding, documentation and first deliveries; the long-standing one will tell you what happens when things go wrong, which is the part nobody volunteers at quotation stage.
Then ask each what they would change about the supplier. Everyone has something, and how the answer is given tells you more than the reference itself. Defensive answers about how good things are suggest nobody has asked them before.
The sample that tells you most
Ask for a production sample rather than a sales sample. What arrives at enquiry stage is frequently made more carefully than what ships later. Comparing an early sample against the first delivery tells you whether the specification is actually being held, which is the single best predictor of repeat orders going well.
What we can do
We manufacture honeycomb protection panels and keep retained samples and specifications per customer order, so repeats match. Ask us the six questions above – we will answer them in writing, including the ones where the answer is that we cannot help.

