High Build Repair, Construction and Waterproofing Mortar
Description
AD-TEK HB is a balanced blend of sand, cement and active chemical components mixed together to create a high build mortar to repair damaged or spalling concrete surfaces.
AD-TEK HB when mixed with water creates a high build, chemical-resistant compound of high strength and impermeability which bonds strongly to the cement substrate.
Uses
Repair of damaged concrete structures such as bridges, roads, pipes, factory floors and other horizontal surfaces where a depth of fill of between 10 and 100 mm is required.
Benefits
- Contains no chlorides.
- High mechanical strengths.
- Forms an indivisible body with the base concrete.
- Significantly increases impermeability and corrosion resistance of concrete.
- Corrosion protection to reinforcement.
- Excellent abrasion resistance and durability.
- Can be painted over most coatings adhere well to the cured product.
- Can be top coated with AD-TEK R or treated with AD-TEK PW for dramatically increased waterproofing and durability.
- Product, when correctly applied, has a life greater than 10 years.
Properties
| Waterproof according to DIN 1048 | |
|---|---|
| Compressive strength |
|
| Flexural strength | 5.9 MPa in 28 days |
| Bond Strength | 3.9 MPa in 28 days |
| Crack resistant according to ‘Ring Method’ | |
Installation
Surface Preparation
Remove any existing coating, and thoroughly clean surface, acid etch, pressure wash then hose to fully impregnate with water and allow drying to a wet dull lustre free of puddles. Any exposed reinforcing should be cleaned and treated with AD-TEK H (steel corrosion inhibitor and surface hardener).
Priming (Recommended)
Apply AD-TEK H at the rate of 5-6 square metres per litre to further wet the surface without forming puddles.
Note: Priming enhances steel corrosion inhibition of repaired concrete and increases bond strength.
Mixing Equipment
Low shear mechanical mixer.
Mixing Instructions
Place the required amount of water in a clean mixing bucket and while stirring slowly gradually, add the AD-TEK HB until a mix of the desired workability is obtained. Mix for a further 2–3 minutes, allowing the mixture to stand for a further 3 minutes. Re-mix for a further 1–2 minutes and use within approximately 30 minutes.
Note:
- Normal water requirement is 1 litre of water to 7.6 to 8.2 kg AD-TEK HB.
- For depths of fill above 60mm, the product can be bulked out by adding up to 60% of 3-5mm aggregate.
Application
Apply the AD-TEK HB utilising standard mortar techniques, by trowel.
Curing
All exposed areas should be thoroughly cured. This should be done as soon as the surface is firm, by the use of concrete curing membrane, continuous application of water or wet hessian.
Packaging, Shelf Life and Storage
AD-TEK HB is available in 20 kg moisture-resistant bags or plastic pails.
AD-TEK HB has a shelf life of 12 months if unopened and kept in a dry store in sealed bags or plastic pails.
Please contact our technical department for further information.
Safety Information
Detailed safety information is contained in each material data safety sheet, which can be obtained from our sales offices.
Disclaimer: Any advice, recommendation, information, assistance or service provided by application is in good faith and is believed by AD-TEK PTY LTD to be appropriate and reliable. However, any advice, recommendation, information, assistance or service provided by AD-TEK PTY LTD is provided without liability.