CSA Z314 vs AAMI PB70: Gown Standards for Canadian Buyers

If your facility buys isolation gowns, spec sheets carry two alphabets: CSA Z314 and ANSI/AAMI PB70. The direct answer: PB70 is the US standard that classifies a gown's liquid-barrier performance into Levels 1–4, while CSA Z314 is the Canadian standards family that frames how healthcare facilities select, use, and reprocess protective apparel. Canadian buyers work between the two — tenders quote a PB70 level, but the practice context around it is Canadian.

ANSI/AAMI PB70: the level number on the label

ANSI/AAMI PB70 comes from the Association for the Advancement of Medical Instrumentation (AAMI) and is the US market's classification scheme for gowns and drapes. It sorts products into four barrier levels by standardized liquid-barrier testing: Level 1 for minimal exposure, Level 2 for low, Level 3 for moderate, and Level 4 for high fluid volumes and pressure.

A level records performance in laboratory liquid-barrier testing — nothing more. It does not claim sterility or antimicrobial action, says nothing about fit or durability, and does not authorize sale anywhere. The number is only as trustworthy as the test documentation behind it.

CSA Z314: the Canadian framework behind the gown

CSA Z314 is a family of standards from CSA Group (csagroup.org) covering protective apparel in Canadian healthcare: selection, use, laundering, reprocessing, and program administration. PB70 hands you a number; Z314 hands you a framework that helps infection prevention and control programs choose apparel for each task and decide when reprocessing is acceptable.

Z314 is not a 1-to-4 barrier ladder and does not replace PB70 labels. The two cooperate: PB70 gives procurement a measurable barrier figure, while Z314 supplies the Canadian clinical and reprocessing context around it.

CSA Z314 vs AAMI PB70: side by side

Why Canadian tenders quote PB70 levels

Open most Canadian RFPs for isolation gowns and you will find a line like "gown must meet AAMI PB70 Level 2 barrier performance." Procurement teams choose PB70 because it is concise, measurable, and understood by suppliers worldwide. The same document usually adds Canada's layer: compliance with Health Canada's Medical Devices Regulations, plus policies aligned with CSA Z314 and Public Health Agency of Canada guidance.

Stated plainly: a PB70 level is not regulatory approval in Canada. Health Canada oversees medical devices sold here, so confirm what licensing and documentation apply to the product. The same applies to "CSA certified" claims — request the certificate and read which standard, edition, and scope it covers.

What to check on a gown label before you buy

• The documented level and test method. The label or spec sheet should name the PB70 level and the test method behind it.
• The country of sale. A gown documented for the US market may not carry the paperwork expected in Canada.
• Supplier documentation. Ask for the test report behind the level and any certificates.
• Any CSA claim, verified. If a supplier says "CSA certified," confirm what the certificate covers before treating it as a barrier rating.

CliniEco isolation gowns, by the numbers

For tenders specifying Level 2 performance, the CliniEco Medical Isolation Gown — SMMS 40gsm Level 2 Protection, 50-Pack carries an AAMI PB70 Level 2 classification for tasks with low-to-moderate fluid exposure. Where the risk assessment calls for a lighter fluid-resistant option, the CliniEco Disposable Protective Gowns — Non-Woven, Fluid-Resistant fills that Level 1 role. Each product page states its classification, and we will share manufacturer documentation behind any level claim.

CSA Z314 and AAMI PB70 set gown standards for different hazards, and both sit upstream of the sterilization monitoring a clinic keeps on instruments. Clinics, long-term care homes and laboratories in Canada can apply for the free 5-pack of 24-hour biological indicators, with shipping covered.

Related reading

• isolation gowns
• open a wholesale account for institutional pricing

FAQ

Is an AAMI PB70 Level 2 gown automatically approved for sale in Canada?

No. PB70 is a US classification standard, not a market authorization. Medical devices sold in Canada fall under Health Canada's Medical Devices Regulations, and a barrier level is one attribute among many a supplier must document. Ask what licensing applies and what test evidence supports the claim.

What does "CSA certified" on a gown actually mean?

It should mean the product was evaluated against a specific CSA standard by an accredited body — but only the supplier's certificate shows which standard, edition, and scope. Barrier levels are still usually expressed in PB70 terms, so read the certificate before treating the claim as a barrier rating.

Which gown level does my clinic need?

That decision belongs to your infection prevention and control program and its risk assessments. Level 1 suits low-exposure tasks like basic contact care; Level 2 and up fit splashes or larger fluid volumes. Your IPC team sets the requirement, not the label.

How do CliniEco gowns relate to CSA Z314?

CliniEco isolation gowns carry AAMI PB70 barrier classifications stated on each product page. CSA Z314 is the framework your facility uses to fit a gown into its apparel policies and reprocessing practices, and we will share the manufacturer documentation behind every level claim.

Related Reading

Explore more guides in this category:

• LTC Point-of-Care PPE Checklist: Stocking Gloves, Gowns and Masks
• Masks, Gloves and Gowns per Dentist: A Monthly Consumption Model
• PPE Donning and Doffing Checklist for Isolation Gowns in Canada

Also read: compare isolation gown standards (ASTM F2407 vs AAMI PB70) in our pillar guide.