Roof Plaster Thickness

10 mm thick cement plaster is done underside of the rcc ceiling roof.

Roof plaster thickness.

The same rule for wallboard thickness on a ceiling also holds true on walls. The first detail clearly indicates 7 8 22 mm. So a 2 by 4 is really 1 1 2 inches by 3 1 2 inches. 15mm is single coat for external plastering and 18mm 20mm and 25mm is double coat for external plastering.

Undercoat plasters are usually applied at 11mm and most finish coat plasters are applied at 2mm. It is applied over two layers. One of the types of exterior walls is the so called wet plaster. Plaster over concrete or masonry is referred to as a maximum thickness.

The thickness of mortar applied shall be a minimum of 20mm or three fourth of an inch. When the plaster is applied it squeezes through the lath creating keys that harden to form a strong integral bond with the wall. It will be 15mm 18mm 20mm and 25 mm. This would include base cement coat of approximately 1 2 a scratch coat of approximately 1 4 and the fi.

Plaster may be applied thicker if lath is used. Thistlepro selector guide thistle essential selector guide. 18 mm thick cement plaster with neat cement slurry is required for making dado with the cement concrete flooring. Plaster is heavy and it needs a solid well anchored base to support its weight.

This base is usually strips of wood or metal wire mesh both referred to as lath that are nailed to the wall and ceiling framing. What thicknesses are plasters applied. Without lath the maximum is 5 8 inch for walls and 1 8 inch for ceilings. Mill aggregated which requires only mixing with water and neat which requires the addition of aggregate at the job site.

A slope of 1 300 is sufficient. Applying a coat of cement mortar will tackle the leaks but grouting is preferable. The thickness of the layer of plaster on insulation can be 3 4 mm if it is high build façade or 7 9 mm thick front. Wall and ceiling contractors should be aware of this and supply letters to protect themselves prior to proceeding with the application of plaster.

The maximum thickness depends upon the depressions and the slope you desire to provide. In veneer plaster systems basecoat plasters are applied approximately 1 16 thick 9 basecoat plasters are supplied in two forms. 6 mm thick cement plaster is done on the rcc surface where it is required. Minimum thickness of 1 2 inch is suitable for wall studs on 16 inch centers but use 5 8 inch wallboard for 24 inch centers.

Recommended external plastering thickness is ranging between 15 mm to 25mm.