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FONDACOAT
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Catalog excerpts

FONDACOAT - 1

waterproofing & tanking Description Tanking and water-protection of underground structures by bituminous membranes

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FONDACOAT - 2

Underground waterproofing & tanking Please note: The information in this guide is intended to serve as a general guideline,and as such does not take into account particular restrictions or requirements arising from unusual geographical or topographical situations, or non-standard construction configurations. This information does not release construction professionals from the need to be fully familiar with the reference documents and applicable standards and with the information contained in them, nor for reading the relevant documentation in full. Preventing the ingress of water or damp...

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FONDACOAT - 3

Definitions: soils, walls, building works Foundation soils The manner in which the foundations of a building are designed depends on the nature of the soils surrounding and supporting them, and on the variations in that soil. A principal characteristic of any soil is its loadbearing ability. The presence of water in the soil in contact with or surrounding the foundations, and in the layers of soil actually supporting the foundations, may have an effect on the soil’s loadbearing ability. Soil survey The loadbearing ability of a soil is assessed through a soil survey, giving rise to...

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FONDACOAT - 4

Underground waterproofing & tanking Underground construction work and its relation to groundwater levels The underground construction and its relationship to the standard level of groundwater W, conditions the way in which protection is provided : For water table or high surface water levels: W > the level of the highest known or forecast level of water. For subsurface runoff or water seepage: W > level of the water stream in the drainage courses or natural level of water seepage through permeable soil layers + 0.50 m. Construction is immersed in whole or in part, even on an intermittent...

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FONDACOAT - 5

Solutions for treatment of underground walls Solution 1 Bituminous liquid coating for waterproofing concrete or masonry wall Thick waterproofing bituminous coating for masonry wall without preliminary coating or rendering asonry wall compliant to local standards M ortar rendering compliant to local standards M ondacoat F ackfill material compliant to local standards B lane masonry wall, bare pointing (mortar joints) P between elements ondaplast E F ackfill material applied compliant to local standards. B Comments: this coating may be completed (solutions 2 + 5 and 2 + 6) by a Fonda +...

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FONDACOAT - 6

Underground waterproofing & tanking Solution 3 Adeti Premium ® Underground wall coating of strong, smooth, self-adhesive bituminous membrane Nature of wall Maçonnerie masonry, Maçonnerie non enduite jointoyée Maçonnerie non enduiteenduite jointoyée Unrendered non jointoyée au éléments au éléments au nu des nu des nu des éléments bare pointing between elements Maçonnerie au mortier mortier Maçonnerie au Maçonnerie enduiteenduite cement mortar Masonry rendered in enduite au mortier de de de ciment ciment ciment Mur en Mur enMur en béton béton béton wall Concrete Top fixing (4 units per strip)...

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FONDACOAT - 7

Fondafor Underground wall protection by torched SBS-modified bituminous membrane Nature of wall Maçonnerie non jointoyée Maçonnerie non jointoyée Maçonnerie non enduiteenduitepointing Unrendered masonry, bare enduite jointoyée au éléments au éléments au nu des nu des nu des éléments between elements Maçonnerie au mortier mortier Maçonnerie au Maçonnerie enduiteenduite cement mortar Masonry rendered in enduite au mortier de de de ciment ciment ciment Mur en Mur enMur en béton béton béton wall Concrete Top fixing (4 units per selvedge) old application Veral coating or C Siplast primer nd lap...

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FONDACOAT - 8

Underground waterproofing & tanking Solution 5 Protection of underground walls by studded HDPE membrane and octagonal studs. Protection and drainage of underground walls by studded HDPE membrane, including drainage geotextile. Fonda + available in 1 m, 1,50 m, 2 m or 2,50 m wide rolls. Horizontal roll out, studs against wall. As work progresses, top fixing: On masonry walls by Fonda nails and wall plugs; On concrete walls by standard nails and Fonda concrete washers Hilti (cartridge pistol and 20 to 27 mm pins). When the height of the wall to be protected is greater than the width of the...

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FONDACOAT - 9

Damp courses The foundation footings and, in some cases, the lower floor of a building, may be laid on and supported by a more or less waterlogged soil, depending on the soil type and proximity or otherwise to the water table. Damp capillary rise may occur as a result of the building materials used, aggravated by the pressure of the water, causing moisture to rise inside the wall material, on occasion up to the level of occupied space. The construction techniques used at trench bottom should prevent damp capillary rise, by what is generically known as a damp course. This may take various...

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FONDACOAT - 10

Underground waterproofing & tanking Tanking Depending on a number of criteria, including the purposes and fit-out of the premises, their conditions of use, the conditions of access to and maintenance of the tanking, the action of water, and the more or less suitable on site conditions, contractors will in general opt for one of the three types of tanking described below. The conditions of use of the premises should make allowance for this partial degree of waterproofing of the building perimeter. Hence facilities should be provided to collect seepage water, provide ventilation etc. Three...

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FONDACOAT - 11

Tanking with permanent shuttering ( outer structural walls non accessible) T eranap 431 TP geomembrane loose-laid with torched side-laps and end-laps, mechanically-fixed on top. M echanical protection. Horizontally: geotextile or LDPE membrane. 2.bis Vertically: Fonda + protection layer. P erimeter concrete wall I nternal supportive structure withstanding hydrostatic pressure C oncrete screed (mini 5 cm thick) R aft preparatory substructure Tanking on outer structural walls L 1 st step: horizontal waterproofing T eranap 431 TP geomembrane loose-laid with torched side-laps and end-laps. M...

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