SKIDCOMManorteq · Tie-bolt sealing
FormRing
Seal around the outside of tie-bolt sleeves before the concrete goes in.
Highlights
Closes the gap around the sleeve.
Water pressure
Stops water pressure up to 6 bar.
Source: Manorteq product literatureHow it works
Seals the shrinkage path.
Concrete shrinks away from the spacer and leaves a path for water. FormRing's synthetic rubber, the same as HydroBar Evo, swells in water to close it.
Fit
One size, many sleeves.
Soft and elastic, one size stretches over spacers from 24 to 30 mm. No tools needed.
System
Pairs with FormPlug.
FormRing seals around the outside; FormPlug seals inside the sleeve. Use both for complete protection.
Where it's used
Where it's used
- Basements
- Retaining walls
- Water tanks
- Tunnels and other water-exposed concrete
Fits spacers with an external diameter of 24–30 mm. Service temperature –50 °C to +70 °C.
Application
On the sleeve before the pour.
A summary of Manorteq's guidance. Follow the technical data sheet for your project.
- 01
Slide on
Fit the ring over the spacer before concreting. Wetting the spacer makes it easier.
- 02
Centre
Position it in the middle of the spacer.
- 03
Cover
Keep at least 100 mm of concrete between the ring and any exposed surface.
- 04
Pour
Avoid installing in continuous rain. If it swells early, it returns to size once dry.
Technical data
Technical data
Values from Manorteq Ltd. Check the current technical data sheet before specifying.
| Fits | Spacers with a 24–30 mm external diameter |
|---|---|
| Dimensions | 24 mm inside, 53.5 mm outside, 15 mm wide |
| Material | Hydrophilic synthetic rubber, as HydroBar Evo |
| Water pressure | Up to 6 bar |
| Swelling | Rainwater up to 500%; concrete water up to 400%; salt water up to 200% |
| Minimum concrete cover | 100 mm |
| Service temperature | –50 °C to +70 °C |
| Storage | Dry, off the ground, protected from rain and frost |
| Stocked in Accra | Yes — sizes on request |
Documents
Download without signing up.
Official manufacturer documents, opened from the source so you always get the current version.
Questions
What project teams ask us.
It's hard to slide onto the sleeve. What helps?
Dip it in clean water for a moment. It then slides on as if lubricated.
How is it different from FormPlug?
FormRing seals the outside of the spacer or sleeve; FormPlug seals the inside of the hollow spacer. Together they seal the whole tie-bolt hole.
Does the sleeve need to come out?
No. FormRing is used with the sleeve left in place.
Will it interfere with 
?
No. Manorteq's ancillary products are developed to work with the waterproofing system.
Sealing tie-bolt holes?
Tell us the sleeve size and how many holes, and we'll quote FormRing and FormPlug.