Verified by manufacturer 5 months ago
Koster VAPlite system for basements, with Koster NB1 Grey
ISO 9001 Quality Management
Certificate type
BBA Agrément Certificate
Certificate type
DoP
Certificate type
EPD
Certificate type
Internal waterproofing, vapour control, high strength screed system, permanently prevents passage of liquid water and controls vapour transmission through concrete slabs, all within a 10 mm build-up.
For application to unsealed interior concrete floor slabs such as basement rooms, retail space, private homes and offices and other construction which are exposed to moisture from the underside due to faulty or missing damp proof membrane (DPM).
For application in fast-track construction where there is vapour barrier (DPM) installed under the floor slab, but application of the floor build-up is required before the concrete has completely dried out and the RH readings for the floor are above those advised for the floor finish.
During drying of concrete high alkalinity can become concentrated towards the top surface of the concrete, causing damage to some resin floors and adhesives. The VAPlite System is resistant to alkalinity (pH 13–14) and serves as a barrier protecting the floor build-up from the effects of high alkalinity.
In situations where a vapour open flooring is to be used, but the DPM is missing, damaged or status unknown, the VAPLite system, will create an effective vapour barrier, preventing elevated humidity levels within the room (a particular issue for basement rooms).
VAPLite is intended for basements, lightly trafficked areas (foot traffic only) and smaller areas where shotblasting is not practical. All components of the system must be used as directed including the Koster SL Premium screed. For larger areas, areas subject to vehicular traffic, and areas requiring direct application of the finished floor (without levelling screed) the Koster VAP 2000 I System (covered by a separate NBS) is recommended by the manufacturer and shot blasting (or Koster approved equivalent) will be required.
The Koster VAPlite system has been developed as a complete floor protection system for use in both basement areas subjected to hydrostatic pressure, and ground level or suspended floor slabs subject to short term or long term elevated relative humidity (RH) values. The Koster VAPlite system can provide a BBA approved negative side waterproofing, a quantifiable vapour barrier and a high strength self-levelling screed, all within a 10 mm build-up.
Controlling the water vapour within the floor slab will:
The VAPlite System includes the following steps:
Base coat:
For floor slabs subject to hydrostatic pressure: Polysil TG500 primer (impregnation) followed by 2 coats of Koster NB1 Grey, BBA approved negative side, crystallising, sealing slurry. For ground level or suspended floor slabs: Koster KB Pox IN, ultra-low viscosity epoxy impregnation to fill open pores within the concrete.
Vapour control:
All slabs: After 7 days, apply a single coat of Koster VAP I 2000.
Screed primer:
All slabs: After 24 hours apply one coat of VAP 06 Primer (for non-absorbent surfaces).
Screed:
All slabs: Koster SL Premium, high strength, self-levelling screed is applied between 8 mm and 15 mm to provide a level, hard wearing surface to receive any flooring finish and protect the waterproofing and vapour control layers below.
System build-up:
Basement:
Above-ground:
Features and benefits:
Please contact the Koster Technical Team for more information on the system or assistance with specification - technical @kosteruk.com.
Color | Grey |
Finish | Smooth |
Material | Mineral Guidance for specification option: Mineral cementitious slurry. Epoxy resin Guidance for specification option: 100% solids epoxy resin. |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year Guidance for specification option: Manufacturer’s warranty. |
Uniclass | |
CAWS | C42/345 Protective coatings for concrete M10/130 Proprietary quick drying levelling screeds M40/460 Smoothing underlayment M50/460 Smoothing/ levelling underlayment compound M10/7 Proprietary quick drying levelling screeds |
Product range |
Damp proof coatings | |
Coating materials | Cementitious slurry, epoxy based resin, polymer modified cementitious screed.Manufacturer guidance/ Composition: |
Repair and restoration | Not required. Guidance for specification option: No cracks. Manufacturer guidanceCrack Repair: |
Primary layer | Koster Polysil TG500. Guidance for specification option: Primer for below ground applications prior to application of sealing slurry.
|
Water tightness – Negative side | Koster NB1 Grey. Guidance for specification option: All slabs that could be subjected to hydrostatic pressure from ground water.
|
Vapour barrier | Koster VAP I 2000. Guidance for specification option:
|
Intermediate layer | Koster VAP 06 Primer. Guidance for specification option:
|
Screed | Koster SL Premium. Guidance for specification option:
|
Finishing Options | Not required. Guidance for specification option: Floor finish supplied by others. Koster CT 215 Universal Floor - High-build water-based Epoxy. Koster CT 215 Universal Floor - Self-levelling 2 mm thick. Koster CT 215 Universal Floor - with highly decorative colour chips finish. Koster CT 215 Universal Floor - with R11 non-slip finish. |
Curing time | Full cure within 28 days of screeding, can be overcoated after 48 hours. |
Technical characteristics, other | Koster VAPlite system including Koster NB1 Grey for below ground application against hydrostatic pressure. |
Sd value | 65.2 m. |
Water resistance | Resistant to 130 m head of negative side water pressure. |
CompressiveStrength | 45 N/mm². |
Contains Red List materials | No |
Country of material origin | Germany |
Country of product manufacture | Germany |
Recyclability | No |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
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