Classi Seal is a professional, patented waterproofing solution applied by hand to the wall facing ...Classi Seal is a professional, patented waterproofing solution applied by hand to the wall facing sides of shower trays or baths prior to installation. The inherent flexibility of the product can accommodate 15mm of movement, making it equally suitable for new build, repair or renovation. This self-adhesive flexible upstand adds a secondary seal between the wall touching sides of the bath rim or shower tray ledge. The flexible upstand has an adhesive strip which fits to the top edge of your bath or tray prior to installation leaving a 30mm upstand. Once plumbed into position this can be tiled or shower boarded over. Classi Seal is an excellent choice for bathroom renovations and new build projects as it can accommodate vertical movement of at least 15mm.
This guide is for anyone installing or renovating a bathroom and looking for a reliable waterproofing solution. Classi Seal Upstand provides a flexible, self-adhesive seal that prevents water damage. However, it's crucial to ensure proper surface preparation for optimal adhesion.
All features
Model Part Number
CS02.5
Brand
Classi Seal
Extended Product Information
FAQs
What is Classi Seal Upstand?
Classi Seal is a flexible, self-adhesive upstand designed to create a watertight seal between the wall and the bath or shower tray.
Where can I use Classi Seal Upstand?
It is suitable for use in bathrooms, particularly around bathtubs and shower trays, in both new construction and renovation projects.
How much movement can the upstand accommodate?
The upstand can accommodate up to 15mm of movement.
Can I tile over the upstand?
Yes, you can tile or cover it with shower board after installation.
How do I clean the upstand?
Use a mild detergent and a soft cloth to clean the upstand. Avoid harsh chemicals.
What is the lifespan of Classi Seal Upstand?
With proper installation and care, Classi Seal Upstand provides long-term protection against water damage.
Can I use it on uneven surfaces?
It is best used on flat, clean surfaces. Extremely uneven surfaces may affect adhesion.
What if the upstand doesn't stick?
Make sure the surface is clean, dry, and free of debris. Use a primer or a different adhesive, if necessary. Apply pressure to the upstand for several minutes.
Troubleshooting
The upstand is not sticking properly.
Ensure the surface is completely clean and dry. Use a primer if necessary and apply firm pressure for several minutes to ensure a strong bond.
Water is leaking after installation.
Check the seal along the entire length of the upstand and ensure there are no gaps. Re-apply the upstand in the affected area if needed. Inspect the sealant between the tiles/shower board and the upstand.
Pros and Cons
Pros
Provides a reliable waterproofing solution.
Accommodates building movement, preventing leaks.
Easy to install due to the self-adhesive design.
Suitable for a wide range of applications.
Offers long-term protection against water damage.
Cons
Requires careful surface preparation for optimal adhesion.
The adhesive may not be effective on all surfaces.
Must be applied before tiling or shower boarding.
Removal can be challenging if repositioning is needed.
Setup, Compatibility & Care
Surface Preparation: Ensure the surfaces where the upstand will be applied are clean, dry, and free from any debris, soap, or old sealant.
Application: Peel off the backing from the adhesive strip and carefully apply the upstand to the top edge of the bath or shower tray, ensuring it adheres firmly.
Positioning: Position the upstand to the wall-facing sides of the bath or shower tray. Ensure the 30mm upstand is in the correct position.
Compatibility: Compatible with most standard bath and shower tray materials. Not recommended for use with surfaces that are extremely porous or uneven.
Care: Avoid contact with harsh chemicals. Clean with a mild detergent and a soft cloth if needed. Inspect the seal periodically and repair any damage immediately.