Waterproofing Materials


BORNIT® Basement Coating System, inside

This product system consists of three complementary products which seal masonry against pressurized water from inside. The effectiveness is immediately visible even for flowing water. The seal is made against water pressure from the negative side

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quick facts

BORNIT® Slurry SB1 (system-modul 1)
Quick setting, mineral sealant slurry with high resistance to aggressive ground water and strong water pressure

Color: grey

4 017228 004341 6800000363 15 kg 36 pails
approx. 1 - 3 kg/m² depending on purpose of application
BORNIT®-Schlämme - 15 kg

BORNIT® Water Stop SB2 (system-modul 2)
Highly reactive powder with extremely short initial setting time, within a few seconds, the leaks are sealed by the dry powder.

Color: grey

4 017228 004327 6800000362 15 kg 36 pails
approx. 1 - 2 kg/m² depending on purpose of application

BORNIT®-Schnellpulver - 15 kg

BORNIT® Solidificator SB3 (system-modul 3)
Water-thin reactive liquid for silicification and solidification of subsoil. Reacts into a compound which does not dissolve in water.

Color: bluish

4 017228 004334 6800000364 12 kg 60 canister
approx. 0,5 kg/m² depending on purpose of application

BORNIT®-Verkieseler - 12 kg

detailed information

Areas of application
Subsequent interior basement waterproofing, shaft waterproofing as well as for any further waterproofing against non-pressing and pressing water from the negative and positive side.
BORNIT® Water Stop SB2 is also suitable for external closure of cracks prior to injecting injection resins.

Type and properties
The system consists of 3 products:
BORNIT® Slurry SB1:
is a fast-setting mineral sealing slurry with high resistance to aggressive groundwater and high water pressure.
BORNIT® Water Stop SB2:
is a highly reactive powder with an extremely short setting time. Within a few seconds, leaks are waterproofed with the dry powder.
BORNIT® Solidificator SB3:
is a water-thin reactive liquid for silicification. The active agents penetrate deep into the substrate and react into water-insoluble compounds. Thus, the pores are blocked and permanently sealed with the continuing mineralisation.

Using this system, leaky surfaces and individual spots are waterproofed in a quick and simple manner, even with the water flowing. The success is immediately visible. Waterproofing is undertaken on the negative side, i.e. against the water pressure.

Using this system, the following effects are combined:
1.    Spot waterproofing against pressing, flowing water.
2.    Surface waterproofing against pressing, flowing water.
3.    Silicification of the waterproofing layer and the leaky construction material, such that this is compacted and becomes part of the waterproofing.
4.    The waterproofing is permanent, since it becomes a fixed component of the building structure.
5.    Easy, secure processing and cost-effective.

Product advantages
• Easiest handling
• good adhesive properties
• Economical and cost-reducing, as there is less equipment, material and labor

A stable, firm and clean substrate is the prerequisite for permanent secure waterproofing. Paints and also plasters, which contain lime (also hydraulic lime), screeds, etc., must be removed down to the solid construction material (masonry/concrete). If possible, scrape out joints in the masonry down to approx. 2 mm.
Pre-moisten dry surfaces well multiple times prior to starting application. Holes and open joints should be filled with BORNIT® Sealing Mortar.
Prior to applying the BORNIT® Basement Coating System to aerated concrete, lightweight and heavy concrete blocks (e.g. Poroton), a stable plaster layer of BORNIT® Sealing Mortar must be applied.
Unsuitable substrates:
- Limy plasters
- Paint coats and coatings
- Gypsum-based construction materials

For leak waterproofing:
Firmly rub in BORNIT® Water Stop SB2 until the water is stopped.

For surface waterproofing:
Waterproofing of the leaks alone often is not sufficient, since the water finds other paths and then emerges again in other locations. In order to achieve dry rooms, the surfaces are to be treated as follows:
1.    Mix as much BORNIT® Slurry SB1 with water into a plastic, thick and spreadable mass as can be processed within 5 minutes. Spread the slurry onto the substrate with a wide brush or a firm smaller brush (consumption per m² approx. 2.5 kg).
2.    Then immediately rub BORNIT® Water Stop SB2 firmly by hand into the still fresh, wet slurry, until the surface is dry. Wear smooth rubber gloves. (Consumption per m² approx. 1.5 kg)
3.    Then, without waiting, brush-on BORNIT® Solidificator SB3 with a clean, wide brush (consumption per m² approx. 0.5 kg).
4.    Immediately after that and after about 30 minutes, repeat step 1 (consumption respectively 0.5 to 1.0 kg per m²). In order to avoid tensions, the layers should be applied with a thickness of no more than 4 mm.

Follow-up treatment
In the wall area, apply a rough bonding cast after 24 hours, at the earliest. This is to be prepared as follows:
Dilute BORNIT® Stick Emulsion with water at a ratio of 1:2 and mix with BORNIT® Renovation Plaster until a sprayable consistency is obtained. The rough cast should be applied with a coverage of approx. 50 %. After a further at least 24 hours, apply the water-repellent and thermally insulating Renovation Plaster. The floor is coated with a bonding bridge of BORNIT® Stick Emulsion (diluted with water 1:2), admixed with a cement/sand mixture (1:4). Thereafter, a cement coat must be applied.
Elastic waterproofing of joints and cracks
For waterproofing of cracks, joints, pipe penetrations and other mobile parts in the course of interior waterproofing, proceed as follows.

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Elastic waterproofing of joints and cracks
For waterproofing of cracks, joints, pipe penetrations and other mobile parts in the course of interior waterproofing, proceed as follows.
1.    Prior to applying the surface waterproofing, connections or joints, resp., must be chiselled into the masonry or concrete, resp., in the area of the cracks: width approx. 4 cm or more in case of expected strong movement or high water pressure.
2.    Within the course of surface waterproofing, the BORNIT® Basement Coating System also passes through the chiselled out joints. Therewith, a dry surface is achieved.
3.    At least 24 hours after application of BORNIT® Basement Coating, the lateral flanks of the joint (only these) are coated with BORNIT® Beton Primer.
4.    After about 3 hours, the joints must be completely filled with BORNIT® Cold Joint Sealant. Possible later movement of the substrate is elastically compensated by the BORNIT® Cold Joint Sealant. No water can penetrate anymore.

For waterproofing against pressing water:
BORNIT® Slurry SB1    Approx. 2.5 kg/m²
BORNIT® Water Stop SB2    Approx. 1.5 kg/m²
BORNIT® Solidificator SB3    Approx. 0.5 kg/m²

Clean the equipment with clean water immediately after use.

The products must be stored dry and in sealed containers; storable up to 12 months. BORNIT® Solidificator SB3 must be stored frost-free, likewise storable up to 12 months.

Health and fire protection, occupational safety
For information on handling, safety and ecology, please refer to the current safety datasheet.

Forms of delivery
BORNIT® Slurry SB1                15 kg bucket      36 containers per pallet
BORNIT® Water Stop SB2      15 kg bucket      36 containers per pallet
BORNIT® Solidificator SB3    12 kg canister    60 containers per pallet

Note on disposal
BORNIT® Slurry SB1 and Water Stop SB2
Only recycle completely empty containers. Material residues can be disposed of according to AVV-ASN: 170101 (concrete).
BORNIT® Solidificator SB3
Only recycle completely empty containers. Material residues can be disposed of according to AVV-ASN: 060299 (waste materials not stated otherwise).

This datasheet replaces any previous technical information about the product. Thus, this information is no longer valid. The details have been compiled according to the latest state of application technology. Please observe, however, that, depending on the state of the construction object, deviations from the method of application suggested in the datasheet may be required. Unless agreed otherwise in individual contracts, any information contained in the datasheet shall be non-binding and thus does not represent an agreed product constitution. We reserve the right to changes in the information contained in this datasheet anytime.


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