Vodipren PR-PRF

Cold high thickness application monolithic waterproofing membrane. Applicable on prefabricated membranes, surfaces in PVC, sheet-zincs, foundation walls. Roof waterproofing, viaducts, pitched roofs.

Features

With the use of VODIPREN PROFESSIONAL continuous impermeabilizations can be realized with features of adhesiveness on every kind of surface, elasticity and cold flexibility, which can be compared to the best SBS prefabricated membranes, with a substantial difference: the guarantee of the absolute impermeability. The products VODIPREN are available in the versions PR 10, PR 15, Pr 25 and PRF 10, PRF 15, PRF 25 with different cold flexibility -10°C, -15°C, -25°C, to be used with non woven polyester (T.N.T.) as regards PR, or already with the addition of fibres, in the case of PRF. There is also another version, which is lightened with very small polyester balls (VODIPREN PRW). This product is suitable for the waterproofing of foundation walls.

 

Primary use

VODIPREN PROFESSIONAL is suitable for the impermeabilizations of covers of big dimensions, industrial sheds, viaducts, channels in CLS, pent roofs, terraces, for the impermeabilization on old prefabricated membranes, surfaces in PVC, sheet-zincs, foundation walls etc…

 

Instruction for use

The surfaces that have to be worked have to be perfectly dry, clean and smooth as far as possible, in order to avoid a higher consumption of material, with a slope that has to be not lower than 2%. . For the applications with VODIPREN PROFESSIONAL (VODIPREN PR), the application of VODIECOPRIMER will be necessary only in case of excessive pulverization of the surface (light cellular concrete, concretes with low content of cement, etc…).On the contrary, the application of primer will be necessary for the use of VODIPREN PROFESSIONAL WITH THE ADDITION OF FIBRES (VODIPREN PRF and PRW) and for the waterproofing of concrete surfaces. For the applications of VODIPREN PR it is always necessary to use VODITES T.N.T. (non woven polyester) of 50 gr/m². In order to increase the resistance to traction, the maximum stress and the punching, it is possible to use a T.N.T. with superior weight in grams or some polypropylene geotextiles; in this case the elasticity will be compromised. Even though it is possible to apply VODIPREN PROFESSIONAL in only a coat until a consumption of more than 4Kgs/m², it is better to use it in two coats, making the second coat follow the first one only when it gets completely dried (at least 36 hours at 20°C).For the impermeabilization of new covers it will be necessary to predispose a concave bevel between the horizontal element and the vertical one. In all the cases the impermeabilization of the joints will be executed using the non woven polyester (VODITES) 50 cm. wide (25 cm horizontally and 25 cm vertically) put on a coat of VODIPREN. As regards VODIPREN PRW, on the contrary, it is possible to apply the second coat as soon as the first one is dry to the touch.

 

Systems of application

The applications of the VODIPREN products (PR,PRF and PRW) can be done with suitable equipment created by Vodichem Italia (after a vigorous shake of the product), by using a particular gun in combination with compressed air; the compressor has to be able to produce 500-600 lt. of air per minute with the pressure of 8/10 bars (consult our technological office).VODIPREN PR and PRF are ready for use, but when it needed, (the increased viscosity related to the lowest temperatures of applications), it is possible to dilute them down to 0,5% with VODIECOPRIMER (It is always better to begin the dilution with lower quantities).

 

Scheme for the identification of the thicknesses in relation to the consumptions
Kg 1 2 3 4 5
Litre 0,76 1,53 2,30 3,07 3,80
Thickness of the dried film mm 0,62 mm 1,24 mm 1,86 mm 2,51 mm 3,10

 

Finishes

The covers which have been waterproofed with VODIPREN PR/PRF can be floored with the glue (by adding 10% of VODILATEX together with water, for each bag ); with the traditional systems or with floating floors; in these last two cases it is necessary to have a flowing layer which insulates the film created with the VODIPREN product. In the impermeabilizations on site, on completion of the drying-process of VODIPREN PR/PRF, the finish can be created by using elastic coloured coatings such as VODILASTIK and VODIRALL EXTRA (this last product must be applied only by spray). It is possible to create slate covers by using 3/4Kg per m² of scaled slate or similar inert scales, by spreading them over a dried cover of VODIPREN PR which has been impregnated with a still fresh layer of VODILAST and subsequently treating the surface with a spraying of VODILAST which has been watered down (1 – 1).

For the impermeabilizations of pensile gardens it is necessary to mix VODIPREN PR/PRF with an anti-root additive before spraying it (for the kind of product and the quantity consult the technological office). For the impermeabilizations of pensile gardens and reverse roofs it will be necessary to use a superficial catalyser sprayed during the execution of the impermeabilization (consult the technological office).

 

Cleaning of the equipment

The equipment (pump, pipes and gun) can be cleaned through the use of gas-oil. Because of the high adhesiveness of the product, it is better to give great care to this operation, in order to avoid wasting time in the next operations. It is possible to dip the gun directly in a container of gas-oil, in order to avoid cleaning the equipment at the end of the workday, if the dimensions of the yard require more than a workday. ATTENTION: never use water to clean the equipment.

 

Resistance to acids

Hydrochloric acid 35%: it stands
Acetic acid 30%: it stands
Sulphuric acid 13%: it stands

 

Safety rules

VODIPREN PR,PRF and PRW are not flammable and not toxic products.

 

Packing and storage

The products VODIPREN PR and PRF are packed in metallic cans of 25 Kgs. or in plastic cans of 40 Kgs. Regarding VODIPREN PRW, the drums are of 20 lt Keep the product in dry and well-ventilated places. The packaging is sensitive to cold. VODIPREN PR/PRF/PRW can be stored in the original packaging for 6 months. Never store the cans in the sun.

 

Guarantees

All the products of VODICHEM ITALIA Srl are covered by an insurance policy of 10 years for damages provoked to third parties from the Insurance Company INA ASSITALIA, it being understood that the products must be applied in a scrupulous way, according to what is settled in the technical data.

 

Precautions

Avoid the applications of VODIPREN PR/PRF when the weather is bad, if rain or frost are expected within the next few hours. Temperatures must not fall below +5°C, even during the drying time.

 

Specification

IMPERMEABILIZATION OF CONCRETE SURFACES WITH VODIPREN PR

The impermeabilization of the covers will be done through the cold application of the liquid elastomeric bituminous membrane VODIPREN PROFESSIONAL (PR- -10, PR -15, PR -25). The execution of the application will be effected by spraying, with the right equipment, 3 litres of product per m² (3.9Kg), by interposing a coat of T.N.T. ( non woven polyester) of gr. 50/m² as a stiffening. The surface will be cleaned carefully with the removal of the useless material and prepared with VODIECOPRIMER (Kg. 0,400/m²).

The features of the dried film after the drying-process of 30 days at 23°C will be as follows:
Average thickness: 2.5mm
Cold Flexibility: -10°C, -15°C, -25°C
Breaking load: 14Kg cm²
Elasticity: 400% circa

IMPERMEABILIZATION OF CONCRETE SURFACES WITH VODIPREN PRF

The impermeabilization of the covers will be done through the cold application of the liquid elastomeric bituminous membrane VODIPREN PROFESSIONAL WITH THE ADDITION OF FIBRES ( PRF -10, PRF -15, PRF -25 ). The execution of the application will be effected by spraying, with the right equipment, 3, 8 litres of product per m² (5Kg). The whole surface will be perfectly cleaned with the removal of the useless material, and it has to be regularized, perfectly smoothed and treated with bituminous water-based primer (VODIECOPRIMER), with a consumption of Kg. 0,400/m².

The features of the film after the drying-process of 30 days at 23°C will be as follows:
Average thickness: mm 3,10
Cold flexibility: -10°C, -15°C, -25°C
Breaking load: 14Kg cm²
Elasticity: 400% circa

IMPERMEABILIZATION OF FOUNDATION WALLS

The impermeabilization of the foundation walls will be done through the cold application of the liquid elastomeric bituminous membrane VODIPREN PRW. The execution of the application will be effected by spraying, with the right equipment 2,2 litres of the product per m² applied in two coats, spraying the first coat when the first one has completely dried, or by hand using a large knife in just one coat. All the surface will be treated previously with bituminous primer (VODIECOPRIMER Kg. 0,300/m²). When the impermeabilization is dry, it will be protected with polystyrene sheets or with ashlar.

The features of the dried film after the drying- process of 30 days at 23°C will be as follows:
Average thickness: mm 2,0
Flessibilità a freddo: -20°C
Cold flexibility: 14Kg cm²
Elasticity: 1000% circa

IMPERMEABILIZATION ON PREFABRICATED BITUMINOUS MEMBRANE AS A SECOND WATERPROOFING COAT (DOUBLE WATERPROOFING COAT)

The liquid elastomeric bituminous membrane VODIPREN PRF (PRF –10, PRF -15, PRF - 25) will be used as a second waterproofing coat put on the first one made with a layer of prefabricated bituminous membrane. The execution of the application will be effected by spraying, with the right equipment, 3 Kgs. of product per m² (2.3 litres), being careful to apply a higher coat (2,5 mm., equal to Kg. 1/ml) where there are overlaps of the membrane for a width of 20/25 cm.

The features of the dried film after the drying- process of 30 days at 23°C will be as follows:
Average thickness: 1.86mm
Cold flexibility: -10°C, -15°C, -25°C
Breaking load: 14Kg cm²
Elasticity: 400% circa

NEW IMPERMEABILIZATION ON OLD BITUMINOUS PREFABRICATED MEMBRANES

VODIPREN PRF (PRF -10, PRF -15, PRF -25) will be used for the new impermeabilization on surfaces made up of old prefabricated membranes. The execution of the application will be effected by spraying, with the right equipment, 3 Kgs. of product per m² (2.3 litres), being careful to apply a higher coat (2,5 mm., equal to Kg. 1/ml) where there are overlaps of the membrane for a width of 20/25 cm. It is very important to clean the surface before the application of the product, and to use VODIPREN PR with VODITES where there are big cracks.

The features of the dried film after the drying- process of 30 days at 23°C will be as follows:
Average thickness: 1.86mm
Cold flexibility: -10°C, -15°C, -25°C
Breaking load: 14Kg cm²
Elasticity: 400% circa

TRIPLE COMBINED IMPERMEABILIZATION

The impermeabilization will be realized using an APP membrane reinforced with a glass-fibre tissue (at least 50 gr./m²) + polyester non tissue (at least 200 gr/m²) with the lower part deprived of the polyethylene film, thickness of 3 mm, cold flexibility -10, applied on the slope surface in total adhesion using 2.5Kg of VODIPREN PR – 10 sprayed cold on the whole surface that has to be treated (1st monolithic impermeabilization). Afterwards there will be the sealing of the overlaps between the lengths of the material (for at least 10 cm) on the vertical walls (2nd impermeabilization).Then it will follow the application of a length of 50 cm. of VODITES (TNT of 50 gr.) on the whole area of the covering as a connection point between the vertical surface and the horizontal one using Kg. 1/ml of VODIPREN PR-10 as an adhesive (overlapping the membrane applied vertically of 10 cm). The following application will be done by spraying Kg. 3,5/m² of VODIPREN PRF on the whole surface (3rd impermeabilization).

N.B. If it is necessary, it will be possible to use a membrane -15 or -25 combined with VODIPREN PR –15 or PR -25.

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VODICHEM UK - liquid waterproofing membrane manufacturersVODICHEM UK
Unit 32 HOBBS Industrial Estate, Lingfield, Surrey RH7 6HN
Tel - 01342 833 917 | Fax - 01342 821 671
General Enquiries - 0845 834 0991
email - info@vodichem.com