sealing | mineral-based | area in contact with soil | terrace | balcony | water tanks
short information
  • 2-component, pressure waterproof, flexible sealing slurry
  • sulphate-resistant, open to vapour diffusion
  • under tiles and surface pavements indoors and outdoors
  • coating of concrete elements
  • high compressive strength and abrasion resistance
Slurry EL
33 kg / set
sufficient for:
EAN code
euro pallet
approx. 8.9 m²
4 017228 00459 4
40 set
approx. 3.6 kg / m² with soil moisture and non-pressing water; splash water on the wall plinth; base and cross-section sealing
storage note
  • store dry, cool but frost-free
  • can be stored for 12 months in originally closed containers

complementary products
status technical data sheet
23 February 2021

areas of application
BORNIT® Slurry EL serves waterproofing against ground moisture, non-pressing water, for the base area and for base point and cross-sectional waterproofing. BORNIT® Slurry EL is used, e.g., for terrace and balcony waterproofing prior to tiling, for protecting concrete surfaces, for waterproofing water tanks as well as for waterproofing swimming pools, wet and moist rooms under tiles.
BORNIT® Slurry EL is not suitable for waterproofing against water loads acting on the rear.

type and properties
BORNIT® Slurry EL is a cementitious, two-component, crack-bridging surface coating with good adhesion on concrete, masonry and plaster, which with its flexible properties is particularly suitable for substrates at risk of crack formation. After drying, the product is waterproof, crack-bridging, abrasion-resistant as well as resistant to water aggressive to concrete.

  • seam- and jointless sealing
  • waterproofing against ground moisture, non-pressing and pressing water
  • also suitable for damp substrates
  • crack-bridging
  • for sealing the positive and negative side against pressing water
  • sulphate resistant
  • waterproofing remains open to diffusion
  • solvent-free, hence environmentally friendly
  • easy to process

The substrate must be clean, firm and free from separating substances, oils and greases. Voids and depressions must be eliminated. Masonry must be fully grouted. Absorbent substrates must be primed with BORNIT® Basic Primer. Non-absorbent substrates are pre-wetted slightly damp. Standing water must be removed. Shrinkage holes must be filled.

Upon processing BORNIT® Slurry EL, in principle, the current “Guideline for planning and execution of waterproofing of building components in contact with the ground with flexible sealing slurries” must be observed. BORNIT® Slurry EL is not suitable for waterproofing against water loads acting on the rear. Processing must not be undertaken at ambient and substrate temperatures below +5 °C or above +30 °C. The two components are delivered in containers holding the respectively required quantities. The mixing ratio of liquid component: powder component is approx. 1 part by weight: 3 parts by weight, i.e., 25 kg of the powder component have to be mixed with 8 kg of the liquid component. Add the powder component to the liquid (not vice versa) and mix them into a homogeneous and lump-free compound using a slow-running agitator with stirring paddle. Do not stir too much air into the compound. The pot or processing time, resp., is approx. 1 hour. For surface waterproofing, apply the ready mixed material to the substrate in at least two coats using a wide brush, trowel or smoothing trowel. In case of substrates at risk of crack formation, for wall/floor connections and in corner areas, embed BORNIT® Glass Fabric 165 centrally into the first layer. In order to achieve particularly smooth surfaces, the surface must be smoothed with a slightly moistened rubber slider or the like. Depending on the weather, the thorough hardening period is approx. 1 to 3 days. During this time, the fresh coating must be protected from rain, other water loads and frost. In case of permanent solar irradiation, discolouration is possible.

approx. 3.6 kg / m²

soil moisture and non-pressing water: 2 mm dry layer thickness = 3.6 kg / m²
splash water on the wall plinth: 2 mm dry layer thickness = 3.6 kg / m²
base and cross-section sealing: 2 mm dry layer thickness = 3.6 kg / m²

layer thickness control
Minimum layer thickness 2 mm

product data in brief
product type
flexible sealing slurry
2-component system
density at +20 °C
component A: 1.1 – 1.3 g/cm³ component B: 1.03 g/cm³
after mixing: suitable for trowel application
smoothing trowel
processing time
approx. 1 hour
thorough hardening time
1 to 3 days
in the fresh state with water, in the hardened state mechanically
store dry, cool but frost-free
shelf life
can be stored for 12 months in originally closed containers
BZM 1 (powder)
BZM 2 (mixture)
GISCODE link comp. A
GISCODE link comp. B
VOC category
no emissions of environmentally hazardous ingredients
actual permissible VOC content
substances hazardous to health in terms of the ordinance on hazardous materials
contains cement, therefore alkaline reactions, for more information see “Health and fire protection, occupational safety”
hazard class according to ADR
Minimum layer thickness
2 mm

health and fire protection, occupational safety
To ensure safe handling of the product, the physical, safety, toxicological and ecological information provided online, the information in the current safety data sheet and the additional information on the label must be read and followed before purchasing or using the product! The applicable regulations, ordinances and laws must be complied with.

In case of doubt, please contact the BORNIT® application technology department or the BORNIT® service hotline on +49 375 2795 123.

The product must be stored cool, but frost-free. In originally sealed containers storable for 12 months.

disposal note
Component A Only recycle completely empty containers. Material residues can be disposed of according to AVV-ASN: 170101 (concrete). Component B Material residues can be disposed of according to AVV-ASN: 070208* (other reaction and distillation residues).

The above information replaces all 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 any changes in the information contained in this datasheet anytime.
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BORNIT-Werk Aschenborn GmbH
Reichenbacher Straße 117
08056 Zwickau / Germany



EN 1504-2:2004: ZA.1d and ZA.1e
Product for protection and repair of concrete structures,
surface protection product – coating, protection against penetration of substances (1.3), moisture management (2.2)

Linear shrinkageNPD
Thermal expansion coefficientNPD
Cross-cut testNPD
CO² permeabilitysD ≥ 200 m
Water-vapour permeabilitysD = 21.2 m (Class II)
Capillary water absorption and water permeabilityw = 0.016 kg/m2 x h0.5
Freeze-thaw resistance with de-icing salt impactNo cracks, bubbles, detachment / adhesive strength MW = 1.5 N/mm² (kEW = 1.2 N/mm²)
Resistance against temperature shockNPD
Resistance against chemicalsNPD
Crack-bridging capabilityA 2
Tear-off test for assessment of adhesive strengthMW = 1.4 N/mm² (kEW = 1.2 N/mm²)
Fire behaviourClass Efl
Artificial weatheringNPD
Antistatic behaviourNPD
Adhesive strength on wet concreteNPD
Hazardous substancesNPD

UFI 7X20-D07K-9007-A127

Safety Data Sheet Poison Information Centre , 24h: +49-361-730730

ERFURT - Poison Control Centre Erfurt, Joint Poison Information Centre of the federal States of Mecklenburg-Western Pomerania, Saxony, Saxony-Anhalt and Thuringia; ggiz@ggiz-erfurt.de; www.ggiz-erfurt.de

-     What: name of the substance or product as precisely as possible, etc.
-     How much: as exact a quantity as possible
-     Who: Age, weight, sex and condition of the person(s) concerned.
-     When: Time of the event
-     Where: Place of occurrence
-     How: ingestion, inhalation, skin contact, etc.
-     Why: accidentally or intentionally

component A


Kein Gefahrgut im Sinne der Transportvorschriften.

Hazard pictograms

signal word

Hazard-determining components for labelling

H315: Causes skin irritation.
H318: Causes serious eye damage.
H335: May cause respiratory irritation.

P101: If medical advice is needed, have product container or label at hand.
P102: Keep out of reach of children.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P280: Wear protective gloves/protective clothing/eye protection/face protection/hearing protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310: Immediately call a doctor.

recommended, personal protective equipment:

component B


Kein Gefahrgut im Sinne der Transportvorschriften.

EUH208: Contains 1,2-Benzisothiazol-3(2H)-on; 1,2-Benzisothiazolin-3-on. May produce an allergic reaction.

recommended, personal protective equipment: