WholeSeal Wetroom 100mm x 20m Reinforcing Joint Tape

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Model Number: WDB12118

If you plan on tiling your shower area, or wet room space, chances are you will need some reinforcing joint tape for your backer boards. This ensures your joints have perfect integrity.

Introducing our WholeSeal Wetroom 100mm x 20m Reinforcing Joint Tape, perfect for sealing the joints of your backer boards making them resiliant and fully waterproof before you begin tiling.

Our reinforced joint tape binds our backer board joints to aid with installation and to prevent leaks.

Give your substructure the best possible protection with reinforced joint tape that creates a watertight barrier between the tiles and the wall, preventing structural damage and mildew.

Water is not the only thing that our reinforcing joint tape prevents, it is also resistant to alkaline which can be found in bathroom cleaning products, or tiling grout. Upgrade with us today.

Key features

  • Use with Pro-SEAL Premix waterproof tape sealing compound
  • For reinforcing joints between WholeSeal backer boards
  • Alkaline Resistant
width 100mm
accessory sub type Reinforcing
accessory type Joint Tape
item colour White
item finish mesh
item guarantee 15 years against manufacturing defects
item material fibreglass
item mounting method Fixing Adhesive
item mounting type Wall / Floor Mounted
item shape Square
item weight 0.25kg
packaged item height 50mm
packaged item weight 0.25kg
packaged item width 100mm
length 20m


Delivery timescale is between 5-7 working days for all in stock items.


FREE delivery within Zone A on orders over £500 - delivery charges are calculated at checkout depending on the size of your order and your location. You will only be charged one single delivery charge for your complete order, this amount will be clearly shown in the checkout.


Please note, for large deliveries our standard delivery service is to the kerb side nearest your property. Upgrade to our 2 man deluxe delivery at checkout for items to be delivered to the room of your choice within your property.

View our full delivery information page for full breakdown and details.

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If you are not completely satisfied with your purchase, most of our products are eligible for a full refund within 14 days of receipt of goods.

View our full returns policy for further information.