Moisture Resistance

Moisture Resistance are classified according to their level of potential in-service water damage as high risk (such as showers), medium risk (such as bathrooms and areas adjacent to baths and spas) and low risk (such as laundries). To comply with all the requirements test method refer to ASTM C1396, lining materials installed in high risk areas must be water-proofed with a liquid membrane.

Water resistance for wet areas

Knauf products such as Moistureshield can be used to resist moisture in wet areas like showers, bathrooms and commercial laundries. Moistureshield can be used on both walls and ceilings, covered with tiles and when installed correctly.

Refer to the Knauf Technical Manual for the latest full information.

Technical Manual: 

Related Products


Knauf Moistureshield is a plasterboard manufactured specifically for use in areas of high humidity and exposure to moisture.



Knauf Core Board is designed to be used in conjunction with the Knauf Shaftwall systems. It has both fire and moisture resistant qualities.