What it is
The dry mass is established, the unit is immersed or exposed as required, and its wet mass is measured.
Public test guide
Brick water absorption
Measures how much water a dry masonry unit absorbs under specified soaking conditions.
Plain-language explanation
What the test tells you.
The project specification controls the exact method and acceptance requirement.
What is used
Representative units, drying oven, water bath, balance and wiping materials.
What it determines
Water absorbed as a percentage of dry mass.
Why it matters
Helps assess consistency, porosity and suitability of masonry units for their intended exposure.
Typical test sequence
From sample
to result.
- 01
Dry and weigh the unit
- 02
Soak it for the specified period
- 03
Surface-dry, reweigh and calculate absorption
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