Mastering Lath & Plaster Ceiling: Step-by-Step Guide

Abigail Jul 01, 2026

If you're a homeowner with a lath and plaster ceiling, you're likely to encounter maintenance and repair issues at some point. These ceilings, while charming and historic, require specific care. This guide will walk you through the process of covering a lath and plaster ceiling, from preparation to the final touches, ensuring your space remains safe, beautiful, and true to its character.

Do you have a lath and plaster ceiling? Find out what they are, how to spot if you have one and how to repair and remove
Do you have a lath and plaster ceiling? Find out what they are, how to spot if you have one and how to repair and remove

Before we dive into the process, it's crucial to understand that lath and plaster ceilings are delicate. They're made of wood laths (thin strips) spaced apart and covered with a layer of plaster. This structure makes them prone to cracking, crumbling, and other damages. Thus, any work on these ceilings should be approached with care and patience.

7 Things to Know About Lath and Plaster Walls
7 Things to Know About Lath and Plaster Walls

Preparation and Safety Measures

Before you start, ensure you have the right tools and materials. You'll need joint compound, joint tape, sandpaper, a trowel, a putty knife, a sanding pole, safety glasses, and a drop cloth. Also, consider wearing old clothes and gloves to protect yourself from plaster dust.

What is Lath and Plaster? -
What is Lath and Plaster? -

Safety is paramount when working with lath and plaster ceilings. Turn off the power to the room at the circuit breaker to prevent electrical shocks. If you're unsure about any part of the process, consult a professional electrician or contractor.

Assessing the Ceiling's Condition

Kitchen Progress: Removing Drywall, Plaster, and Lath Ceilings and Fixing a Floating Bathtub | And Then We Tried
Kitchen Progress: Removing Drywall, Plaster, and Lath Ceilings and Fixing a Floating Bathtub | And Then We Tried

Inspect your ceiling thoroughly for any signs of damage. Look for cracks, crumbling plaster, or any areas that feel soft or spongy to the touch. These could indicate water damage or structural issues that need immediate attention.

If you find any serious damage, it's best to call a professional. However, for minor cracks and holes, you can proceed with the covering process.

Preparing the Surface

How to Patch a Plaster and Lath Ceiling | Ask This Old House
How to Patch a Plaster and Lath Ceiling | Ask This Old House

Remove any old paint or wallpaper from the ceiling using a scraper or a paint stripper. This will ensure the new surface adheres properly. Then, use a broom or vacuum to clean the ceiling, removing any dust or debris.

If there are any minor cracks or holes, fill them with joint compound using a putty knife. Allow the compound to dry completely before sanding it smooth. Be sure to wear a dust mask during this process to protect your lungs from plaster dust.

Covering the Lath and Plaster Ceiling

the ceiling has been torn off with tape and some other parts labeled in black on it
the ceiling has been torn off with tape and some other parts labeled in black on it

Now that your ceiling is prepared, it's time to start covering it. The most common methods are using drywall or wood panels. We'll discuss both methods below.

Each method has its pros and cons. Drywall is easier to install and provides a smooth, seamless finish. However, it can't be painted until it's completely dry, which takes several days. Wood panels, on the other hand, can be painted immediately, but they require more skill to install and may not provide a perfectly smooth finish.

Repairing Lime Plaster Ceilings
Repairing Lime Plaster Ceilings
a book cover with the title 12 ways to fix and plaster ceilinging complete guide for homeowners
a book cover with the title 12 ways to fix and plaster ceilinging complete guide for homeowners
Replacing Lath and Plaster Ceiling
Replacing Lath and Plaster Ceiling
Beadboard Ceiling in Bathroom - The House of Smiths
Beadboard Ceiling in Bathroom - The House of Smiths
What To Do With Old Plaster Walls
What To Do With Old Plaster Walls
Plaster and Lath Tear-Off Tips
Plaster and Lath Tear-Off Tips
How To Plaster A Ceiling In 7 Easy Steps (DIY Guide)
How To Plaster A Ceiling In 7 Easy Steps (DIY Guide)
Kitchen Progress: Removing Drywall, Plaster, and Lath Ceilings and Fixing a Floating Bathtub | And Then We Tried
Kitchen Progress: Removing Drywall, Plaster, and Lath Ceilings and Fixing a Floating Bathtub | And Then We Tried
Repairing Cracks in a Lath and Plaster Ceiling - Kezzabeth | DIY & Renovation Blog
Repairing Cracks in a Lath and Plaster Ceiling - Kezzabeth | DIY & Renovation Blog
Living Room Plans and Plaster vs. Drywall
Living Room Plans and Plaster vs. Drywall
10 Ways to Cover a Hideous Ceiling
10 Ways to Cover a Hideous Ceiling
Repairing Cracks in a Lath and Plaster Ceiling - Kezzabeth | DIY & Renovation Blog
Repairing Cracks in a Lath and Plaster Ceiling - Kezzabeth | DIY & Renovation Blog
How to update An Ugly Ceiling.
How to update An Ugly Ceiling.
How To Cover Popcorn Ceilings With Armstrong Ceiling Planks And Easy Up System - Organized-ish
How To Cover Popcorn Ceilings With Armstrong Ceiling Planks And Easy Up System - Organized-ish
an unfinished ceiling with white paint and wood planks
an unfinished ceiling with white paint and wood planks
7+ Clever Ceiling Hole Cover Up Ideas
7+ Clever Ceiling Hole Cover Up Ideas
The Easiest Shiplap Ceiling Ever
The Easiest Shiplap Ceiling Ever
a ceiling fan with the words how to install a bead board ceiling in front of it
a ceiling fan with the words how to install a bead board ceiling in front of it
How to repair lathe and plaster walls - helpful tip #shorts #latheandplaster #drywall
How to repair lathe and plaster walls - helpful tip #shorts #latheandplaster #drywall
Plaster Repair:  How To Get Rid Of Those Ugly Textured Walls Or Ceilings
Plaster Repair: How To Get Rid Of Those Ugly Textured Walls Or Ceilings

Using Drywall

Drywall is a popular choice for covering lath and plaster ceilings. It's easy to install, provides a smooth finish, and is relatively inexpensive. To install drywall, you'll need to cut it to size using a drywall saw or utility knife, then attach it to the ceiling using drywall screws. Use joint tape and joint compound to cover the seams, and sand the ceiling smooth once the compound is dry.

Remember, drywall is heavy, so you'll need to reinforce the ceiling joists if they're more than 16 inches apart. Also, drywall can't be painted until it's completely dry, so plan accordingly.

Using Wood Panels

Wood panels can add a touch of elegance to your room. They're easy to paint and can hide minor imperfections in the ceiling. To install wood panels, you'll need to measure and cut them to size using a saw. Attach them to the ceiling using screws or nails, ensuring they're level and evenly spaced.

Wood panels can be painted immediately, but they may require more sanding to achieve a smooth finish. Also, they can be more expensive than drywall and may not provide the same level of insulation.

Finishing Touches

Once your ceiling is covered, it's time to add the finishing touches. If you used drywall, you'll need to prime and paint the ceiling before you can use the room. If you used wood panels, you can paint them immediately, but you may want to sand them first for a smoother finish.

Consider adding crown molding or other decorative trim to give your room a finished look. Also, don't forget to replace any light fixtures or ceiling fans that you removed during the preparation process.

Caring for a lath and plaster ceiling can be a rewarding experience. It allows you to maintain the historic character of your home while updating it for modern living. With patience and the right tools, you can cover your lath and plaster ceiling and create a space that's both beautiful and functional. So, go ahead, embrace the process, and enjoy the results!