In the past most of the marble walls was done with closed board


System boards

The meeting is not simply the space between the perimeter of the slabs, and is tasked specifically to allow free movement of the slabs caused by temperature fluctuations or any adjustments to the supporting structures or anchor.


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The boards can be either open or closed.

Meeting closed
Are closed together, even allowing movement of the slabs, have a distance of 2 / 3 mm. In the past most of the marble walls was done with closed board. The adoption of this type of board generally allows installation on site of slabs of small dimensions and very thick.
The tendency to increasingly reduce the thickness of the slabs and the greater elasticity of the existing building structures that do not allow tolerances with respect to adjustments, make placement scheme closed joint-optimal solution, although the evolution Technology anchors can achieve static autonomy of each slab and has, therefore, greater safety margins. This technique is only suitable for limited extensions coverings and modest height. It is impossible to adopt closed meetings for the entire facade, and the inevitable movements of the structure, collapses of fixed elastic and thermal deformations can lead to different slabs rupture and cause a strain on the anchor brackets.

The closed joint solution can, however, also be used in other cases, provided they are left open (15 or 20 mm) joints, corresponding to the slab. In this case can be provided only support brackets for the first slab on the open meeting, while for the remaining tiles to the next open meeting, may be used only top brackets.

Open joints
Open joints are defined as those that allow greater movement of the slabs, have a distance of 6-7 mm, allowing placement in the work of medium-large slabs. In open meetings, on all sides of the slabs, the adjustments and movements generated by thermal expansion can take place freely without any contact between adjacent tiles.
In favor of open joint solution is the reduced accuracy required in placing the anchors at work and cut into the sides of the slabs, and that inaccuracies can be eliminated thanks to the greater space between adjacent slabs, usually 6 mm. The tendency to increasingly reduce the thickness of the slabs and the greater elasticity of the existing building structures made of such boards open an optimal solution. In summary, the main features that characterize the type of open joints in front of closed meetings are:
dimensional tolerances;

Reduced complexity of working needed to make accommodations for anchoring the stirrups (holes, slots, Kerf);

Use of a greater amount of sealant materials (neoprene and silicone compounds)

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Related Tags ................
Open joints, System boards, How to insulate basement walls, insulation system, Types of drywall, Basement Walls, drywall, single element, fiberglass insulation, Dry Wall,

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