What really are Plaster gauges? Plaster gauges show the pre-planned plaster thicknesses intended for several sections of a wall. this is usually done before a wall is being plastered. One of the aims of plastering any wall is to correct any slants or deviations from straightness in elevation made by the Bricklayers while erecting the walls. Plaster gauges also ensure walls on the same path are aligned with one another. This walls can be separated by openings, passages and so on. A well set-out block layout on any floor should ensure that you will not need plaster gauges exceeding 30 to 40mm.

Figure 1.0: Showing a wall with pre-set Plaster gauges

Well, excellent Bricklaying is a dieing professional in Nigeria. This means that sometimes you might have walls that will require as much as 50mm plaster gauges in order to correct their deviations. It is for this reason that the Electrical and Plumbing professional might be in a mess. As an Electrical professional, you do not want your electrical fixtures too recessed in a wall. In fact, you want it to flush with the plaster finish of the wall. Also, as a Plumbing professional, you do not want your adapters to be hidden way inside the wall. You would prefer they flush with wall finish or exceed it a little. This is why Mechanical & Plumbing professionals should always request the wall plaster gauges be done before they commence installation of their 1st fix works.

I have seen instances where the Electrical team just needed to run their conduit pipes on the wall surface rather than burying them when making out their first fix works. This seemed very weird at 1st glance but it was the right thing to do.

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