water proofing for hollow core slabs

Hollow core 101 - Oldcastle Precastproper plank bearing. A mechanical connection between the hollow core plank and your structure may be required. If necessary, bent bar connections are provided by your erector or Oldcastle. Precast. These connections will be shown on the erection dings. Cold weather locations may require insulation at the entire perimeter of the garage. Consult with your design team regarding the proper location and thermal performance that is best for your garage. A water-proofing ...

Flat Roofs: Hollow-core Concrete Slabs - renovation - Paroc.comhollow-core concrete slab, renovation. New additional structure: New waterproof roof membrane; Mechanical fasteners; Additional thermal insulation: PAROC ROS 30g (grooved) + PAROC ROB 80; Dry expanded clay. Existing structure: Old roof membrane; Old thermal insulation: EPS, Cork, PUR, etc. Supporting structure: hollow-core slab. Related to this solution: Products: Accessories · Design Guidelines · Installation Guidelines · Brochures · Show contact info · Send contact request.

Precast Garage Floors | Forterraforterra Structural & Specialty Products recommends using a reputable waterproofing contractor to assure proper waterproofing of your new Precast Garage Floor suspended concrete floor system. If you elect to do your own waterproofing, please contact us for instruction details. Tie #4 rebar to bent bar at 18" O.C. each way (see details on previous pages); Pour 3" of concrete topping minimum onto the Precast Garage Floor. Slope topping slab from 6" to 3" toward front of garage for ...

Roof Systems Manual - Kattoliittowaterproofing system. The Roofing Systems Manual is based on the experience and expertise of roofing contractors and material suppliers. Thanks to the progress made in the association's activities and development of the member base, the .... Relative humidity in winter below 50 % over 50 %. Lightweight timber/boarding roof. Scrim reinforced aluminium/ polythene laminate. . Folded steel sheeting1). TL2, Scrim reinforced aluminium/polythene laminate. . hollow core slab. TL 2.

quality inspection - BCANote : It is important to ensure that the penetration / opening for services are within tolerances for proper connection and linkages of the M & E services. 1.3. Tolerance for length of precast members (major dimension of unit):. Up to 3m : + 6mm. 3rm to 4.5m : + 9mm. 4.5m to 6m : + 12mm. Additional deviation for every subsequent 6m : + 6mm. . Dimensional length of precast members : | -- 6mm for L s 3m. | -- 9mm for 3m & L = 4.5m. | -- 12mm for 4.5m - || > 6m ...

Ventilated hollow floors | Waterproofing | ArchiproductsVentilated hollow floors. Search all products, brands and retailers of Ventilated hollow floors: discover prices, catalogues and new features.

hollow core slabs - BCAwaterproofing. In precast construction, the effectiveness of watertightness depends on the design of joints and use of appropriate sealants. External joints must be able to resist water leakage due to rain and wind; where feasible, joint design should allow water that has penetrated to drain off. Internally, use of water for cleaning must be expected at certain locations and waterproofing of slabs and wall connections will therefore be necessary. Reference may be made to the CIDB ...

Precast Large Concrete Panel System - bmtpc12 Apr 2016 ... resist external loadings and cracks such as hollow core slabs, beams and planks. Typical size of precast elements is given in Table 1*. Table 1. Sr. No Precast Components Typical Sizes. 1 Wall Panels. 5m X 2.85 m. 2 slabs ... waterproofing. External joints shall be sealed with baker rods and sealants after filling the joints with grout to avoid the leakage. Additional waterproofing treatment shall be provided at external joints and wet areas to ensure water tightness.

Good Practice Guide - Concrete Manufacturers AssociationInitial planning can permit the accommodation and location of services (electrical, water, sewerage, etc) required ... The hollow core slab (HCS) is a reinforced or prestressed concrete slab, containing cores, generally varying in thickness from .... Roof slab parapet wall detail. NB A 110mm wide parapet wall is recommended, but a 230mm wide parapet wall can be used on the height of the parapet wall. Brickforce in every course. DPC on top of slab. waterproofing membrane. Slope to ...

Precast - MapeiHigh-e ciency water-repellent admixture for vibro-compressed and extruded concrete with dry consistency. Particularly suitable ... Special hyperplasticizing admixture for high quality precast concrete & hollow core slabs. A cholride free .... waterproofing. Osmotic cementitious mortar suitable for contact with drinking water, for waterproofing masonry and concrete structures. It is used for waterproofing basins, reservoirs, concrete or masonry tanks containing drinking water; renovation of ...

Hollowcore 101 - Oldcastle Precastor not, floors are the key element when it comes to architectural freedom and design: their load bearing capacity has a direct influence on the need for partition walls and other structural elements of a building. hollowcore slabs are ... hollowcore by a bond-breaker, waterproofing membrane, and vapor or moisture barrier. The intended use of non-structural toppings are to compensate for camber and differentials (level floors), create slope and pitch, increase fire rating and provide.

Noise Barriers - Hollowcore Concrete: Manufacture, design and ...Noise Barriers. Mini slabs. precast concrete melbourne. hollow core Concrete Pty. Ltd. designs and manufactures both reflective & absorptive noise barriers. Sound Trap<sup> </sup> being one of them. Sound Trap<sup> </sup> is an open cellular low density cementitious non-structural material. It absorbs, instead of reflects noise, and is ... A water proofing coating is commonly applied, preventing the cells from being closed by rain to provide an al weather acoustic barrier. The reason for the high sound&nbsp;...

HC Flooring Contents - National Precast Concrete Association ...The depth of plank and the strand pattern can be varied at minimum cost to suit the span and load requirements. Design Flexibility hollowcore floor planks can be used in combination with most building materials including masonry walls, precast or ...... waterproofing. hollowcore decks which are open to the weather can be made waterproof in the usual ways. These include: Post-tensioning a topping of minimum 100-mm thickness. Using a proprietary waterproofing admixture.