waterproofing a hollow core concrete slab roof

waterproofing a hollow core concrete slab roof

Cordek Limited specialise in providing technical solutions ...

The vaulted roof and brick lined tunnel is located 15 metres below the A900 trunk road and the B981, adjacent to the northern approach to the Forth Road Bridge. Cordek were asked to supply a structural fill solution, encapsulated within a protective membrane to fill the entire cavity of the tunnel.

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Sample B.O.Q

Water tank top slab F Slabs G Filler block slabs m2 H Drop beams I Columns J Cores K Stairs Self-expanding water stops for: L m Precast concrete shaft capping per the architectural drawings, made with reinforced concrete 30 Mpa, using Ordinary Portland Cement, including all necessary formwork, reinforcement, etc. in accordance with the ...

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What are different types of concrete slabs in South Africa ...

 · Rib and block slab vs hollow core slab vs in-situ slab. Concrete slabs are referred to as the slab that is used in multi storey buildings. In a double storey home, this will be the concrete floor in between the ground floor and first floor. Some homes also have roof concrete slabs instead of tile roofs.

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Hollowcore Precast Concrete – Concrete Planks & Slabs ...

Paired with precast components or structural steel, Spancrete hollowcore provides an immediate working surface and covered space for other trades. In addition, the panels have continuous voids in them that reduce weight and cost, and also may be utilized for electrical or mechanical runs. This helps keep the construction process on track and ...

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Flat Roofs: Hollow-core Concrete Slabs

Flat Roofs: Hollow-core Concrete Slabs. Paroc Air is a simple and safe solution for making dry flat roofs. PAROC Air keeps the roof structure dry without any mechanical systems. The basis for this simple but effective solution is natural air pressure. Effective roof …

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TopFloor | Concrete, Hollow-core & Precast Floors

topfloor hollow-core concrete floor panels have been an important contributor to the growth of the building and construction industry in the western cape since 1997 That role has been strengthened through the acquisition of Topfloor by the Echo Group, South Africa’s largest and longest-established prestressed and precast floor manufacturer.

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Precast Concrete Slabs

Precast lightweight concrete hollow core concrete slabs; Precast concrete slab beam; ... Multi Surface Full Area Waterproofing of RCC/Metal Roof & Landscaping area Industrial Water / Chemical Storage TanksCracks & Gaps--- of concrete Roof, Wall, China Mozec Joints -- of all type of Roofing Sheet, Sky light, Air.

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Understanding Different Concrete Slab Problems and Defects

 · Understanding Your Concrete Slab’s Role. A concrete slab is one of the most common foundation types found in residential home construction. This is a flat, uniform foundation that’s made of sturdy concrete on level ground. While other materials are occasionally used when building home foundations, concrete slabs are by far the most popular.

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PCI MANUAL FOR THE DESIGN OF HOLLOW CORE SLABS

HOLLOW CORE SLABS SECOND EDITION by Donald R. Buettner and Roger J. Becker Computerized Structural Design, S.C. ... PRECAST / PRESTRESSED CONCRETE INSTITUTE 175 WEST JACKSON BOULEVARD CHICAGO, ILLIN ... This document is intended to cover the primary design requirements for hollow core floor and roof systems. Ininstances wherethe ...

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Hollowcore

HOLLOWCORE. SPI Hollowcore slabs offer the benefits of durability, low maintenance, fire resistance, sound control and speed of construction, all at a very competitive price. Our Hollowcore Slabs are typically used as floor members in hotels, motels, apartments/condominiums, college dormitories, self storage facilities and multi-million dollar ...

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Concrete over TPO Membrane — RoofersCoffeeShop®

 · Octo at 2:27 p.m. Mike H. 24 years of installing TPO roof systems has proven to me that their advantage of being the cheapest membrane available, it comes with the caveat of also being the shortest lived roof membrane on the market today. While I would not normally encourage a person to pour concrete over a TPO membrane, it may be ...

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How to Repair Leakages in Concrete Roofs & Terraces?

 · A roof slab is subject to severe weather conditions round the year. The absence or inadequate waterproofing in this areas can lead to variety of problem like leakages in ceilings below terrace floor, dampness in parapet walls or seepage in the terrace slab.

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Roofing & Insulation

 · The advantages of concrete decks are many, especially in areas with frequent severe weather. Poured concrete roofs may be flat or low sloped. Precast, which includes Hollow Core Precast Panels and Tilt-Up Panels can be set with higher slopes. ICF roofing systems poured integrally with the walls provides the most secure attachment.

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G-Bolt Precast Hollow Core Anchor

00365. The Guardian Fall Protection Precast Hollow Core Concrete Anchor is specially designed to make the difficulties of safely tying off to precast concrete a thing of the past. It may be installed in both concrete and steel substrates, and allows for a single user to tie-off in Fall Arrest, Restraint, and Work Positioning applications.

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Details & Connections

Animated Connections - Hollow-Core Slabs. DALLES ÉVIDÉES. Bolted connections under Hollow-Core Slabs, Steel Beam. DALLES ÉVIDÉES. Connections in Concrete Wall Gaskets, Concrete Wall. DALLES ÉVIDÉES. Connections in hollowed-out slabs, Concrete wall. DALLES ÉVIDÉES. Connections in Gaskets of hollow slabs, Steel beam.

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Do-It-Yourself Basement Waterproofing Sealer | RadonSeal

Tar Waterproofing Is Brittle – Tar waterproofing membranes has no "give" and cracks eventually develop as the concrete constantly contracts and expands and the house settles. Similarly, tar paper or pargeting (a layer of mortar) on block walls are inelastic and crack. Concrete is …

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how to waterproof hollow core floor

Waterproof plastic sheeting was placed on top of the completed roof which in, Concrete deck slab / prestressed / hollow - Armtec - ArchiExpoContinuous voids in the hollow core slabs reduce weight and cost, and can conceal electrical or mechanical runs. Precast hollowcore flooring units provide long,

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Hollowcore Flooring | Precast Concrete Planks and Slabs ...

Flooring Brochure. Download. FP McCann manufactures precast concrete hollowcore flooring units. These units are a prestressed concrete slab normally 1200mm wide (part widths are also available if required) and a current depth range of 150mm to 450mm. In addition to this range, we also manufacture a 100mm deep precast concrete floor slab.

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16 Different types of slabs in construction | Where to use?

 · To further increase the strength, the slabs are reinforced with 12mm diameter steel strand, running longitudinally. This is one of the types of concrete slabs. Hollow core slab installation:-By using tower cranes Hollow slabs are inserted between the beams. The gaps between the slab is filled with screed.

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Roofing Details

Paraguard Expansion Joint (Roof to Wall) with Parasolo Flashing. Inside Corner Fabrication - 2 Step "Joint Patch Up" Detail. Inside Corner Fabrication - 2 Step "Joint Patch Down" Detail. Inside Corner Reinforcement - Field Fabrication Detail. Inside Corner Reinforcement-Pre-Formed Corner Detail.

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What are different types of concrete slabs in South Africa ...

 · Rib and block slab vs hollow core slab vs in-situ slab. Concrete slabs are referred to as the slab that is used in multi storey buildings. In a double storey home, this will be the concrete floor in between the ground floor and first floor. Some homes also have roof concrete slabs instead of tile roofs.

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Hollowcore Details

HC .0: Interior Bearing On ICF Wall " Core HC .0 : Precast Stair To Landing Bearing Detail At Top Condition HC .0 : Precast Stair To Landing Bearing Detail At Base Condition

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Water proof a concrete slab roof which serves as a roof ...

 · One suggestion: American Hydrotech, a green-roof company, makes a nice waterproofing for cement decks. It is hot-mopped on like an asphalt roof, but actually penetrates the concrete and bonds with it. What is nice about it is that is not as vulnerable as sheet membranes, which lose their integrity if they get a rip or hole.

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Roofing & Insulation

 · The advantages of concrete decks are many, especially in areas with frequent severe weather. Poured concrete roofs may be flat or low sloped. Precast, which includes Hollow Core Precast Panels and Tilt-Up Panels can be set with higher slopes. ICF roofing systems poured integrally with the walls provides the most secure attachment.

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Tips on roofing concrete roof decks

roofing concrete roof decks BY RI C H A R D KO Z I O L SE N I O R AR C H I T E C T WI S S, JA N N E Y, EL S T N E R AS S O C I AT E S , IN C . NO RT H B R O O K , IL L I N O I S Loose rock ballast holds down a single-ply, rubber, like roof membrane on a story Chicago high-rise. A concrete topping placed over the insulation at the

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SECTION 03 41 00 PRECAST STRUCTURAL CONCRETE …

034113 – PRECAST CONCRETE HOLLOW CORE PLANKS PART 1 – GENERAL 1.1 SUMMARY A. Section includes precast structural concrete. B. Section includes prestressed hollow core plank. 034113 1.2 PERFORMANCE REQUIREMENTS A. Delegated Design: Design precast structural concrete, including comprehensive engineering analysis by a qualified professional ...

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How to Waterproof a Concrete Roof | DoItYourself.com

 · Step 5 - Spray on a Vapor Barrier. Pour your chosen vapor barrier into a paint sprayer after the primer is dry, and liberally spray an even coat onto the concrete roof. Work systematically from one end to the other, spraying in lines. Overlap the previous line every time you start a new one. Allow the vapor barrier to dry before you add a ...

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Hollow Core : Hollow Core : Concrete Tech

The Hollow Core slab has a variety of uses, including floors and roofs for buildings and parking garages, decks for piers, and lagging for retaining walls. Cast-in-place, composite concrete topping is highly recommended to provide a smooth, level floor surface that serves as a horizontal diaphragm when properly reinforced.

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Hollowcore Precast Concrete – Concrete Planks & Slabs ...

Paired with precast components or structural steel, Spancrete hollowcore provides an immediate working surface and covered space for other trades. In addition, the panels have continuous voids in them that reduce weight and cost, and also may be utilized for electrical or mechanical runs. This helps keep the construction process on track and ...

Get price

Flat Roofs: Hollow-core Concrete Slabs

Flat Roofs: Hollow-core Concrete Slabs - renovation. If the existing insulation is wet, remove the current parts and replace it completely. When building up a flat roof, there are no limitations in mixing different materials. New additional structure: New waterproof roof membrane. Mechanical fasteners.

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