When it comes to ceiling finishes, homeowners and builders have two main options: plaster and drywall. It's important to identify what material your ceiling is made of to ensure proper repairs and renovations during your property ownership. 

Here's how you can determine whether your ceiling is plaster or drywall: 

Installation of Your Ceiling

First, let's consider the installation method. Plaster is applied to a ceiling in multiple layers using a trowel, whereas drywall panels adhere to the ceiling framing by being fastened with drywall screws. This difference means plaster ceilings have a smoother and more uniform surface, while drywall ceilings have visible seams where the panels meet.

Ceiling Thickness 

In addition to the installation method, another difference between plaster and drywall is the thickness of the material. Plaster is typically thicker than drywall, which gives it a more substantial and durable quality. Due to its thickness, plaster can withstand more wear and tear and is less likely to crack or chip over time. This difference makes it a preferred material for ceilings in high-traffic areas.

Drywall, on the other hand, is thinner and more lightweight, which makes it easier to install but also more prone to damage. Because it is thinner than plaster, it is more likely to develop cracks or dents from impact or pressure. 

Ceiling Texture

The texture of your ceiling is also an important factor. Plaster ceilings usually have complex and varied textures. PatchMaster Serving North York & Surrounding Areas often creates these textures by hand troweling and shaping the plaster to create different patterns and designs. In contrast, drywall ceilings have a smooth texture.

Age of Your Home 

To identify the type of material, consider the age of your home or building. Plaster was the preferred ceiling finish material for structures built before the 1950s. However, as drywall became more widely available and affordable, it gradually replaced plaster in new construction.

Moisture Testing

Additionally, you can perform a moisture test to determine what material your ceiling is. Drywall can absorb water and become damaged, whereas plaster is more moisture-resistant. To perform the test, use a moisture meter or tape a plastic bag or aluminum foil to the ceiling. If moisture is present, it condenses on the plastic or aluminum, indicating that the ceiling is drywall.

It's worth noting that some older homes or buildings may have drywall covering a plaster ceiling. This type of renovation practice is common, and PatchMaster Serving North York & Surrounding Areas has seen it since it's often more cost-effective and easier to install drywall over an existing plaster ceiling than to remove and replace the plaster.

In summary, the main differences between plaster and drywall are:

  • The way they are installed
  • The thickness of the material
  • The texture
  • The age of your home

The main differences between plaster and drywall are the installation method, thickness, texture, and age of your home. Identifying the material on your ceiling is crucial before making any repairs or renovations. Consult PatchMaster Serving North York & Surrounding Areas to determine the type of material and appropriate solutions for any ceiling issues. For instance, a professional can guide you in the right direction if you need plaster repair or drywall repair for ceiling cracks. Remember, proper identification ensures a more effective and long-lasting repair.

If you need help determining which material you have on your ceiling, consider the age of your home and the surface's texture, and try a moisture test to help determine if it's plaster or drywall. Understanding the differences between these two materials can also be important when repairing or renovating your ceiling.


It's essential to consult with a professional if you need clarification on the type of material of your ceiling before making any repairs or renovations. PatchMaster Serving North York & Surrounding Areas can identify the type of material and provide the appropriate solution to any issue with your ceiling. Call us for all your repair needs, and let our team of expert technicians make you whole again. Give us a call at (647) 278-3118 or (833) WE-PATCH.