Can you install HYDRO-BLOK over concreate or block/brick walls?

May 2 2022

Yes, you can install HYDRO-BLOK wall boards over brick, block, or concrete walls using a small notched (1/4” or larger) trowel and modified thinset. Sealant to be used to seal the but joints where wallboards meet. You can apply a second coat of sealant along seems and flatten with putty knife or straight trowel as per typical installation instructions:

https://global.hydroblok.com/wp-content/uploads/2018/04/HYDROBLOK-Shower-Pan-Instructions-V2.5-April-2018-WEB.pdf

Share This Article

Choose Your Platform: