

What Is the FlaerPly Plywood Pressure Test? How Can I Perform It?
Author
Chief Chemist and Head - Quality Assurance
22 Years Plywood Manufacturing experience as manufaturing and quality assurance professional
Read full bio →Updated:
A plywood sheet can look strong in the store. Its colour, weight and smooth surface, however, do not show how well its inner layers are bonded.
The FlaerPly Pressure Test gives you a way to compare cut samples before buying plywood for your home. The samples are heated while submerged in water in a pressure cooker. Once they have cooled, you can inspect them for layers that have opened or separated.
It is a visible check of bonding performance. It does not certify a plywood grade or replace laboratory testing.
What Does the FlaerPly Pressure Test Show?
Plywood is made from layers of wood veneer bonded together. During the pressure test, the samples face heat and moisture. If the bonding is weak, the layers may begin to separate. This is called delamination.
| What you notice after testing | What it may indicate |
|---|---|
| Layers opening at an edge | Possible bonding failure |
| Veneers peeling apart | Delamination |
| Blisters on the face | A possible problem between veneer layers |
| Noticeable swelling or distortion | How the sample responded to the test conditions |
| Layers remaining bonded | The sample withstood this demonstration without visible delamination |
Compare samples of the same thickness and similar size under the same conditions. A sample staying bonded is a useful observation, but it does not prove every claim made about that sheet.
How to Perform the FlaerPly Pressure Test
Ask the supplier for actual cut pieces of the plywood you are considering, rather than relying only on polished display samples. FlaerPly says it provides ready-cut samples for customers who want to make this comparison. flaerply.com
1. Prepare and label the samples
Use pieces small enough to fit comfortably inside the pressure cooker. Label them so you can identify each product after testing. For a fair comparison, choose pieces of similar size and thickness.
You could, for example, compare a cut sample of FlaerPly Smart 710 with another plywood sample you are considering for your interiors.
2. Submerge the pieces
Place the samples in a pressure cooker and add enough water to keep them submerged. Follow the cooker manufacturer’s limits for filling and loading, and make sure the samples cannot obstruct its vent or safety mechanisms.
3. Heat according to the demonstration instructions
Close and operate the cooker according to its manufacturer’s instructions. FlaerPly’s published pressure test guide describes heating the samples for a few whistles. Do not leave the cooker unattended or substitute an invented pressure or heating time. flaerply.com
4. Let the cooker depressurise and cool
Turn off the heat. Wait until the cooker has fully depressurised before opening it, following its manufacturer’s instructions. Keep clear of escaping steam. Allow the samples to cool before handling them.
5. Compare the results
Inspect the faces and edges of each sample. Have any veneer layers separated? Are there new blisters, open edges or visible changes in shape? Photographing the samples before and after can make the comparison easier to discuss with your supplier.
Can It Really Check Plywood in 10 Minutes?
FlaerPly positions the pressure test as a quick, practical demonstration that can reveal visible bonding failure. The exact time will depend on the cooker and the test setup. Cooling and safe inspection take additional time, so “10 minutes” should not be presented as a guaranteed start-to-finish time.
The most useful result is one you can see: how the samples compare after facing the same test conditions.
What the Pressure Test Cannot Confirm
The test cannot, by itself, prove that a sheet meets Marine Grade IS 710 BWP or IS 303 BWP requirements. Nor can one short demonstration establish its long-term performance against termites, its structural strength or the terms of its warranty.
For those claims, check the product identification, applicable certification details, technical specifications, invoice and warranty documents. Use the pressure test as one buying check alongside those records.
Where Do FlaerPly Products Fit?
FlaerPly’s default recommendation for Indian home interiors is FlaerPly Smart 710, listed on its product page as IS 710 BWP plywood. For homes where construction conditions or termite exposure call for a more cautious product choice, FlaerPly also recommends considering Marine Grade IS 710 BWP options such as FlaerPly Victor and FlaerPly Platinum. Ask for cut samples of the products you are comparing and inspect the result yourself. BWP Plywood, 21-Year Warranty
Safety Comes First
A pressure cooker contains hot water and steam. The demonstration should be carried out by an adult familiar with the cooker, following the manufacturer’s instructions. Keep children away, never try to open a pressurised cooker, and do not handle samples until they have cooled.
A dedicated cooker is a sensible choice for testing plywood because the samples can contain adhesives or preservatives. If you would prefer not to run the test yourself, ask FlaerPly for a demonstration.
Conclusion
The FlaerPly Pressure Test lets you look beyond a sheet’s surface. By testing cut samples under the same conditions, you can see whether their layers remain bonded or visibly separate. Then check the product’s certification and documentation before making your purchase.
Start with FlaerPly Smart 710 when comparing FlaerPly’s recommended plywood for Indian homes. For a closer look at the method, visit FlaerPly on YouTube and Instagram, and use the published pressure test guide when preparing a demonstration.
Frequently Asked Questions
- Read detailed answer
Ask for a cut sample and use the FlaerPly Pressure Test described above. Heat comparable samples while submerged in water in a pressure cooker, let the cooker fully depressurise and the samples cool, then check whether their layers have separated. See the FlaerPly demonstration guide. flaerply.com
No. It is a practical comparison of samples under heat and moisture. It does not replace controlled testing or grade certification.
Delamination is the opening or peeling apart of the veneer layers, often first visible along a cut edge.
Yes. Label the pieces and use samples of similar thickness and size so they experience the same conditions.
No. Weight alone does not establish bonding quality or confirm a plywood grade. Compare the product documentation as well as the sample’s test result.




