ASTM F1346 Standard Performance Specification for Safety Covers and Labeling Requirements for All Covers for Swimming Pools, Spas, and Hot Tubs

Get Certified ASTM F1346 Testing for Reliable Pool Cover Safety Data

ASTM F1346 testing evaluates pool safety covers against established performance and labeling requirements. Laboratories conduct relevant tests to assess load resistance, perimeter deflection, surface drainage, and openings. The results help manufacturers identify potential safety concerns and verify product performance. Following the standard supports quality control, reliable test data, and informed product development. It also helps manufacturers demonstrate that their covers meet applicable safety requirements and provide dependable protection when correctly installed and used. 

The scope of ASTM F1346 includes

• Product type: Covers for swimming pools, spas, hot tubs, and wading pools
• Intended protection: Lower drowning risk for children under five years old
• Cover classes: Power safety cover (PSC), manual safety cover (MSC), and other covers (OC)
• Performance tests: Static load, perimeter deflection, surface drainage, and openings
• Operating controls: Switch, reversal, and location requirements for power safety covers
• Marking: Manufacturer identification, warning labels, and the cover classification on all covers
• Units: Inch-pound values are standard; SI values are for information only
• Limits: Other covers, such as debris covers and solar blankets, are not intended as a barrier for children under five years old

What are the Uses of ASTM F1346 Testing?

ASTM F1346 testing gives manufacturers, installers, and inspectors a standard to base their assessment of pool cover safety.

• Manufacturers use the results to qualify a cover design as a manual or power safety cover.
• Test laboratories use the four performance tests to report compliance or noncompliance.
• Installers use the results to confirm that a cover performs as tested when fitted to a pool.
• Building officials use the results when a code refers to the specification.
• Retailers and buyers use the cover classification and labels to compare products.
• Pool owners use the warning labels and instructions to operate and inspect the cover.

What materials can be tested under ASTM F1346?

The standard ASTM F1346 relates to manual and power safety covers for use with swimming pools, spas, hot tubs, and wading pools; however, other types of covers, for example, debris covers and solar or energy conservation blankets, are required to have the necessary warning label but are not meant to act as a barrier for children who are under five years of age. The laboratory tests the entire cover system, including the cover surface, seams, ties, anchors, and fastening hardware, as instructed by the manufacturer.

Why is ASTM F1346 Important?

A pool cover that fails when a weight is applied, leaves a gap at the edge of the pool, or retains water can create a drowning hazard instead of preventing one. ASTM F1346 includes tests for each of these failure types. The specification cites reports from the Consumer Product Safety Commission indicating that boys aged one and two in houses with an in-ground pool have the greatest risk of a submersion incident requiring medical attention. The load figures are based on the 95th percentile weights for one child under the age of five and two adults, so that rescuers will be able to stand on the cover.

ASTM F1346 Testing Process and Data Collection

Technicians begin testing by filling the pool to the required water level and fitting the cover according to the manufacturer’s instructions. They then place the static load weights at the center and attachment points and leave them in place for five minutes. After that, they apply the 50 lb weight, place the perimeter test object at the edge of the cover, and note whether it passes through the gap, reaches the water, or gets trapped. For drainage, they spray the cover for 30 minutes, wait an additional 30 minutes, then place the torso-shaped object on the surface. Finally, they press the 4.5-inch sphere against each opening with 40 lb of force. The technician then records a pass or a fail for each test and makes a note.

Common Challenges and Troubleshooting

A cover may fail if it is improperly installed, the anchors are too loose, or the materials are worn or damaged. Technicians carry out the fitting of the cover exactly in accordance with the manufacturer’s instructions since the tests are based on correct installation. If the tension is not properly adjusted or if the anchors are placed in the wrong position, gaps will appear at the edge of the pool, and the perimeter deflection or the openings test will fail. When the cover sags or lies flat, water can collect, and the drainage test will fail. The seams, ties, welds, and fasteners have to remain intact after loading, and the fastening devices must stay secured. The labels must remain permanently attached and clearly visible at a safe distance. If a cover fails, the technician should recheck the installation, tension, anchor position, and drainage path before any further testing.

• A static load pass involves no test weight passing through the cover at 485 lb or 275 lb.
• A perimeter deflection pass occurs when the test object does not move between the cover and the pool side, fails to enter the water, or becomes trapped.
• A sphere with a diameter of 4.5 inches passes an opening when it does not pass through any opening under a force of 40 lb.
• Analysts record the condition of the fasteners, seams, ties, and welds after the tests.
• If a cover fails to meet any of the requirements appropriate to its type, it should be labeled as not being a safety cover.

Link to ASTM F1346 Standard