Volteco Volgrip Hp – High Performance Waterproofing Materials
VOLGRIP HP – HIGH PERFORMANCE WATERPROOFING MATERIALS
VOLGRIP HP – HIGH PERFORMANCE WATERPROOFING MATERIALS
Bentonite self-fastening membrane that waterproofs reinforced concrete structures. Thanks to the double layer, VOLGRIP + MDPE, it guarantees double protection, also in the presence of high water head.
information
APPLICATION
Applications with reinforced concrete castings (beds and foundation walls against diaphragms, sheet pile and Berlinese retaining walls, existing foundations or disposable formwork) in constructions such as garages, cellars, warehouses, safety vaults, taverns, stores, multi-storey car parks, underpasses, tunnels etc...
BRAND
Volteco
PRODUCT TYPE
Waterproofing Materials
RESISTANCE TO PEELING OFF FROM CONCRETE
> 1.5 kN/m
MONTMORILLONITE CONTENT
80%
TENSILE STRENGTH
8.5 kN/m
RESISTANCE TO STATIC PUNCHING (CBR)
1.8 kN
LAYING THE PRODUCT UNDER SLABS
-Level the surface with lean concrete -Apply VOLGRIP HP with the textile surface facing upwards, with staggered joints and overlapping the edges by 10 cm -Apply the sheets with FIX 1 or with nails and FIX 5 every 70 cm (approximately).
FLUID LOSS INDEX
< 18 ml
FREE SWELLING
> 24 ml/2g
THE ADVANTAGES OF VOLGRIP HP – HIGH PERFORMANCE
-Insuperable self-confinement -It can be drilled, cut and shaped to adapt to the structure -Natural-based product, it earns points for LEED certification -High impermeability even in difficult sites and in the presence of water with high salinity or polluted
PACKAGING AND STORAGE
The product is packed in rolls as follows:
-2.50x30 m, reaching a total length of 75 m² and a weight of about 385 kg (packaging excluded) -2.50x30 m, reaching a total length of 75 m² and a weight of about 770 kg (packaging excluded) The products must be stored in a dry place protected from sun and humidity.
THICKNESS
> 4 mm
SODIUM BENTONITE CONTENT
> 4 kg/m²
USE
Outdoor
COLLECTION
Volgrip Hp
CAPACITY
-Hydraulic capacity of the geocomposite : 6E⁻⁹ m³/m²/s
-Hydraulic capacity with MDPE membrane : no flow
OVERLAPPING
The overlaps between the sheets must be at least 25 cm from each construction joint. To make the overlaps:
-This procedure must also be followed for corners and edges. -Insert the second VOLGRIP HP sheet, laying it on the previously exposed MDPE sheet -Peel off 10 cm of the MDPE geomembrane from the first VOLGRIP HP sheet, along the overlap line -Lower the first geomembrane sheet on the second one, paying attention to the overlap continuity and fasten it with nails (refer to the diagrams)
LAYING THE PRODUCT ON VERTICAL SURFACES
For existing walls at a height: use PLASTIVO 250 (see relative data sheet). For walls that are to be built against diaphragms, Berlinese and sheet pile retaining walls or existing structures: apply VOLGRIP HP after having levelled large cavities and/or rough parts, especially where the sheets overlap, with the textile surface facing the structure, taking care to stagger the joints and overlap the edges by 10 cm. Apply the sheets with FIX 1 or with FIX 5 and gun-driven nails with washers every 30 cm (approximately). Then lay the reinforcements, internal formwork and the relative casting. To seal all accessories with AKTI-VO 201, WT, AKTI-VO BS (see the relative technical data sheets) according to the type and size of the through body. For walls to be built with formwork, including disposable: attach VOLGRIP HP to the formwork, leaving the face of the textile facing towards the inside of the building. Then lay the reinforcements, formwork and related concrete casting
PREPARATION AND APPLICATION HOW IT WORKS
-When in contact with water, or just simply in contact with the ground humidity, the natural Sodium Bentonite contained in VOLGRIP HP turns into a waterproof gel through hydration and expands up to 16 times its initial dry volume while remaining waterproof tank to the self-containment implemented by outdoor non-woven textile. -The special VOLGRIP needle-punching allows perfect self-confinement in such expansion once the casting is carried out (which is very important to obtain high waterproofing). -In fact, the fibres of the non-woven textile (on the external side) protrude purposely from the textile (on the internal side) and during the casting, the fibres are embedded into the concrete, thereby resulting in excellent mechanical adhesion of all the product layers to the structure therefore not a simple surface adhesion (see drawing FIG. 1). -Through the calibrated mesh of the porous textile, the bentonite gel partially extrudes, thereby guaranteeing the seal of the overlaps and preventing water seepage between VOLGRIP and the concrete. -This phenomenon also allows the cracks that are normally caused by concrete shrinkage to be selfrepaired. -Surfaces that are to be waterproofed can be damp, not necessarily clean but must not have great protrusions, cavities or continuous water flows that could compromise the self-sealing process of the overlaps.
