Wilco Precast

Reveals

Reveals on Precast Panels Download this information in a PDF file.

Reveal strips can add visual interest to a building clad with architectural precast concrete panels while eliminating some of the aesthetic concerns that develop when planning panel configurations. Used effectively, reveals offer the simplest way to break up the expanse of an architectural precast concrete panel or to keep the visual appearance from focusing on any differences that may occur in texture or colouration between panels.

Reveals, typically, measure 12 mm to 18 mm deep and 18 mm to 100 mm wide, with 45- to 60-degree bevelled edges allowing for ease of stripping. It's important to remember that a reveal, regardless of its depth, reduces the structural thickness of the panel. As a result, when a deeper reveal is required than is typical, its location and effect on the panel's structural performance must be considered.

Reveals and demarcations transform simple shapes into non-routine, visually arresting forms. The reveal can be used to separate multiple finishes, mixes or textures. When exposed aggregate is used, a reveal or demarcation feature is required to keep the retarder from spreading to adjacent areas.
A single step in thickness is sometimes used to separate surfaces and/or finishes. The exterior articulation helps modulate the scale of the building.

Flat, windowless surfaces divided by reveals or demarcation features tend to call less attention to texture and color variations.

When desired, the scale of large panels may be reduced by using reveals. The reveal should be wider than it is deep so the panel can be stripped without damaging the mould. Generally, the minimum positive draft for ease of stripping a panel from a mould is 25 mm in 100 mm with one in eight (1:8) preferred.

The draft should be increased to 1:6 for repeated patterns, delicate units and narrow sections (such as reveals) where suction between the panel and the mould becomes a major factor in separation. For example: 1:6, 0.5:3, 0.25:1.5.
Reveals can be single double, layered or repeated. They also can run in patterns or feature various shapes Deep-set reveals are incorporated in facades to give visual relief and may require thickened sections. However, deep-set reveals requiring thickened sections may add some mould costs, along with significant back-forming costs.

Using Reveals To Design Architectural Precast Panels

When you search the internet for the meaning of "reveal," the first citation in Webster's electronic dictionary defines it as a verb that means "to open up to view, to display, to divulge or to make known what has been or should be concealed." It takes additional searching to find "reveal" as a noun in today's Webster dictionary. But if you go to the 1913 version of the Webster's unabridged dictionary, the first citation defines "reveal" as a noun, meaning, "the side of an opening for a window, doorway, or the like, between the door frame or window frame and the outer surface of the wall; or, where the opening is not filled with a door, etc, the whole thickness of the wall; the jamb."

Ironically, the use of reveals in precast design in the 21st century has much more to do with its use as a verb than it does with 1913's foremost definition of "reveal" as a noun, despite its architectural context in that form.

As we all learned in primary school, a verb is an action word. That's exactly what architectural reveals provide to a precast panel: the visual action. Reveals do much more than simply articulate the thickness of the precast.

Designing reveals with architectural precast components creates the most fundamental detail for producing a beautiful precast project. Precast by its very nature is made up of panels or component pieces that are assembled to create the building's structure or skin. Those pieces obviously have joints between them, and reveals' most pragmatic uses come in articulating those fundamental joints. These joints can be either emphasized or minimized and hidden by the creative addition of reveals.

Other pragmatic uses for reveals come in providing drips and/or small horizontal shelves to protect openings and control moisture as it moves along the exterior surface of the precast.

Using Reveals To Design Architectural Precast Panels

Reveals typically are designed where there are changes in the precast surface. For example, a shift in the panel's finish from smooth to textured can be emphasized by using a reveal at the point where the surface texture changes. Reveals also work well where fundamental materials change within a precast panel, such as from an exposed-aggregate finish to a non exposed-aggregate finish within the panel.

Reveals allow a crisp, clean transition between these different textures or finishes.

Lastly, reveals can be placed where there are directional changes in the precast surface, such as between a vertical surface and a cornice or bullnose detail. These elements within a wall design can be emphasized or de-emphasized through the use of reveals. However, reveals can be much more than a joint or line of demarcation between textures or finishes. Designing reveals in varying shapes, sizes and depths for a precast wall can transform what initially might be considered a mundane, solid surface into a rich texture of shade and shadow, bringing visual interest to the building's façade.

Wilco Precast News:



  • Preparations are already underway for Auckland’s 2018 Special Children’s Christmas Party on Saturday, 15 December, at the ASB Showgrounds. This event brings together over 2,000 sp.. read more »


  • Wilco sponsored Anita McLaren (nee Punt) during her 2016 Black Sticks Olympics campaign. Anita played her first match for New Zealand in June 2009 against India (https://en.wikipedia.org/wiki/Indi.. read more »

Another Wilco Precast project:

Bella Vista Apartments, Te Atatu

Architects:
Structural Engineers:
Building Contractor:
×

Britomart Transport Centre

Architects:
Structural Engineers:
Building Contractor:
×

Bruce Pullman Park, Papakura

Architects:
Structural Engineers:
Building Contractor:
×

Carlaw Park Student Accommodation

Architects:
Structural Engineers:
Building Contractor:
×

Ceres Building, Mt Wellington

Architects:



Structural Engineers:
Building Contractor:
×

Cinema, Pukekohe

Architects:



Structural Engineers:
Building Contractor:
×

City Gate, Hamilton

Architects:
Structural Engineers:
Building Contractor:
×

Counties East Area Headquarters

Architects:
Structural Engineers:
Building Contractor:
×

Diocesan School Centennial Building

Architects:
Structural Engineers:
Building Contractor:

Having used precast concrete on numerous other commercial and industrial projects the architects elected to use precast concrete as the principal cladding for the Centennial development to be able to provide a building appropriate to the traditions and qualities of Diocesan School.

It was clear from previous work already completed at the school, also a precast concrete building (the junior school) and from other buildings on site, that Diocesan would not be receptive to a building outside the established style, or to using some of the lighter weight cladding systems currently on offer. By careful consideration of panel size, joint location and the use of both horizontal and vertical rebates a virtually seamless building has been provided.

The use of the precast elements has also enabled modelling of the façade, creating deep recesses to the windows and the doors, and to provide cornices, projections and other details which provide an interesting pattern of shadows during the day, as the building follows the curve of the tree line.

The precast decorative columns to the perimeter extended through two levels and weighed up to 12 tonne each. They were capped off with curved precast feature beams up to 1500mm in depth. As the beams and columns included three-dimensional architectural features the detailed design, construction and placing of these components was absolutely critical in order to achieve the architect's final details.

The success of this major stage of the project was attributable to the attention to detail achieved by Wilco Precast, the engineers, architects and the construction team at Argon in putting together a high quality precast concrete structure. This was a working site with little construction space, requiring a high level of tolerance by all parties and the result is a credit to all concerned.

×

Foodtown, Takapuna

Architects:
Structural Engineers:
Building Contractor:
×

Housing Corp, Mt Albert

Architects:
GHD


Structural Engineers:
GHD


Building Contractor:
×

Ibis Hotel, Auckland Airport

Architects:
Structural Engineers:
Building Contractor:
×

Illico Apartments, Stonefields

Architects:
Structural Engineers:
Building Contractor:
×

KFC Auckland Airport

Architects:
Structural Engineers:



Building Contractor:
×

Kingsbridge Apartments, Remuera

Architects:
Structural Engineers:
Building Contractor:
×

Knox Street Car Park, Hamilton

Architects:
Structural Engineers:
Building Contractor:
×

Manukau Elective Surgical Hospital

Architects:
Structural Engineers:
Building Contractor:
×

Massey University Library, Albany

Architects:
Structural Engineers:
Building Contractor:
×

Massey University Student Accommodation

Architects:
Structural Engineers:
Building Contractor:
×

Merchant Quarter, New Lynn

Architects:
Structural Engineers:



Building Contractor:
×

Metlifecare Poynton, Takapuna

Architects:
Structural Engineers:
Building Contractor:
×

Mitre 10 Mega store, East Tamaki

Architects:
Structural Engineers:
Building Contractor:
×

Motorway Noisewalls

Architects:



Structural Engineers:



Building Contractor:


Litecrete noisewall barrier panels have many advantages over competing materials which can deteriorate, delaminate, lose strength, deflect and may not be able to withstand vehicular impacts. Installing Litecrete noisewall barrier panels is easy. Lifting eyes are set in the top edge of the panels during the casting process and once delivered to the construction site the panels are lifted up and slotted into the galvanised steel supports. Litecrete panels may be coloured by using integral colour pigments or by staining once the panels are installed. Textures or designs can be economically created on the traffic side or the residential side of the panels using rubber formliners.

×

New World, Mt Maunganui

Architects:
Structural Engineers:
Building Contractor:
×

NZI, Auckland

Architects:
Structural Engineers:
Building Contractor:
×

Reformed Church, Pukekohe

Architects:
Structural Engineers:
Building Contractor:
×

Saints Apartments, Auckland

Architects:
Structural Engineers:
Building Contractor:
×

Selwyn Retirement Village

Architects:
Structural Engineers:
Building Contractor:
×

Sentinel Apartments, North Shore

Architects:
Structural Engineers:
Building Contractor:
×

Sky City Casino

Architects:
Structural Engineers:
N/A


Building Contractor:
×

Sky City Grand Hotel Auckland City

Architects:
Structural Engineers:
Building Contractor:
×

Summerset Village, Flat Bush

Architects:
Structural Engineers:
Building Contractor:
×

Tauranga Police Station

Architects:
Structural Engineers:
Building Contractor:
×

Te Whare Wananga o Awanuiarangi, Whakatane

Architects:
Structural Engineers:
Building Contractor:
×

Trends Building, Ellerslie, Auckland

Architects:
Structural Engineers:
Building Contractor:
×

van den Brink Building, Manukau

Architects:
Structural Engineers:



Building Contractor:
×

Victoria Park Tunnel, Auckland

Architects:
Structural Engineers:



Building Contractor:
×

Vodafone Building, Auckland City

Architects:
Structural Engineers:
Building Contractor:
×

Westlake Girls High School

Architects:
Structural Engineers:
Building Contractor:
×

Wiri Correctional Centre, Auckland

Architects:



Structural Engineers:



Building Contractor:
×