NEW HYDRO-BLOK Demo Install Videos now on YouTube!

What is Hydroblok_logo_no_tag ?

Put simply, it is the easiest, quickest and most user-friendly way to build a water-proof shower or tub surround at a price you can afford. The HYDRO-BLOK system was developed to provide you with a convenient and hassle-free way to build and customize the shower of your dreams.

Whether you are a Do-It-Yourselfer or contractor, you will be thoroughly impressed at the quality and affordability that comes with using HYDRO-BLOK products. With its closed-cell XPS foam core and its polymer-modified cement coating, you get a fully waterproofed line of shower pans, wallboards and accessories that are lightweight, strong and ready for your tile or stone creations.

Check out our HYDRO-BLOK product line-up or find a dealer near you today.

Modifed cement coating
for maximum adhesion of any tile, stone, or mosaics

HCFC-free XPS closed-cell foam interior. 100% waterproof


  With HYDRO-BLOK products you can build a BETTER Shower System easier & faster than traditional showers


HYDRO-BLOK Shower System Traditional Shower Install
Simple installation for DIY’ers or contractors Slow and difficult installation best left to specialty contractors
Environmentally friendly lightweight products with HCFC-free XPS foam core Heavy materials including cement base and wallboard
All products are fully waterproof Requires application of a full waterproof membrane before tile/stone can be applied
Easy to make repairs & maintain waterproofing Difficult & costly to repair and re-waterproof
About 2-4 hours for standard 3 x 3 shower install Minimum 2 to 3 days for shower install
Shower allows for movement or deflection Movement or deflection can crack shower
Excellent choice for RV’s, yacht or cruise ship installation Can not be used in any moving application with good long term results
No additional vapour barrier required for standard shower Vapour barrier must be installed when built on an outside wall
Cutting of product is dust free and quick Grinding cement or cutting wallboard creates extensive dust
System accessories provide easy customization without increasing install time significantly Customizing is costly & labour/time intensive
10-year warranty on HYDRO-BLOK foam products No manufacturer warranty on cement base/liner
Cement surface is true and level for tile or stone installation Time/labour intensive to get a true and level surface with membrane application
Speed and ease of installation for commercial applications can not be beat Difficult, heavy, and time-consuming to customize for commercial applications
All foam products tested 100% mold-proof Highly prone to mold growth and water saturation
Find a HYDRO-BLOK Dealer Near You