The thickness of plastering generally depends on whether it is applied to interior or exterior walls. Based on common practices, the thickness varies significantly for these different applications.
In general, as the reference states, the plastering thickness for the interior walls varies from 6mm to 12mm and for the exterior walls, it is 18mm to 20mm.
Standard Plaster Thickness Ranges
Here's a summary of typical plastering thicknesses:
| Wall Type | Standard Thickness Range |
|---|---|
| Interior Walls | 6mm to 12mm |
| Exterior Walls | 18mm to 20mm |
- Interior Walls (6mm - 12mm): Plastering on interior walls is primarily for achieving a smooth, finished surface for painting or other decorative treatments. A thinner application is usually sufficient as it's less exposed to harsh weather conditions.
- Exterior Walls (18mm - 20mm): Exterior plastering, often referred to as rendering, requires a greater thickness to provide protection against weather elements like rain, sun, and wind. It also helps in structural integrity and insulation.
Factors Influencing Plaster Thickness
While the ranges above are general guidelines, the specific thickness of plastering can vary. According to the reference, these variations can be influenced by several factors:
- Regional Building Codes: Local regulations often specify minimum or maximum plastering thicknesses.
- Wall Material: The type and condition of the substrate (brick, concrete block, etc.) can affect the required thickness for proper adhesion and finish.
- Environmental Conditions: Climate and exposure to weather can necessitate adjustments in thickness, especially for exterior applications.
- Desired Finish: The required smoothness or texture of the final surface can also play a role.
Understanding these factors helps ensure that the plastering is applied correctly for durability, protection, and aesthetic appeal.
