How To Repair Plaster Ceiling Water Damage – Full Tutorial

How to repair plaster ceiling water damage

This guide will explain how to repair plaster ceiling water damage and how long it will take to dry. When water damages your ceiling, besides the fact that it becomes unattractive, it can become perilous in debilitating the framework of the top. It will cause mildew to grow if left untreated for some time, whether a burst pipe brings about a wet ceiling, an opening in your rooftop, or even a shower spilling.

It’s generally critical to sort the harm out straightaway to forestall further and more outrageous issues. Assuming you’re thinking about fixing the roof yourself, we have a couple of convenient clues that you could attempt. 

Read more to learn how to repair your wrecked ceiling.

The harm to your roof will deteriorate over the long haul, so the main thing to do is lay out where the water is seeping through. Weighty precipitation and extreme atmospheric conditions can best uncover an issue with your home’s material framework.

Focus where precisely the deterioration on your roof shows up. Plasterboard is a solid and rigid material, yet it disintegrates without any problem when it gets wet.

Fixing a water deteriorated roof required more involvement than repairing drywall. Plasterboard gets held set up by wood strip, and you ought to have the option to connect a drywall fix to it. You can fix plasterboard somewhat effectively utilizing gypsum and adhesive solution, as long as you allocate three days for the job. Let’s look at how to repair plaster ceiling water damage.

How To Repair Plaster Ceiling Water Damage?

Let’s dive in and check how you can repair plaster ceiling water damage.

Move your furniture

Eliminate your assets and your furnishings from under the wet regions. In addition, you are attempting to ingest the water from the roof without it arriving at the ground surface to forestall harm to the last option. You can utilize pails or towels to gather or take in the water from the plasterboard.

Gauge the damage

Examine the area and determine where the precipitation is flowing. The plasterboard will generally hold the water until it is absorbed and then, at that point, discharge it. On the off chance that your mortar roof is hanging, punch a hole to eliminate the water. Continuously ensure you have a container to gather the water from the mortar.

Prepare for repair

Cover the flooring with plastic to shield them from water harm. Guarantee that you eliminate all the water from the roof and its impacted regions and excessive dampness to forestall shape development. Ultimately, open the windows for ventilation.


Region of the water-deteriorated roof that doesn’t get soaked with dry air will often require fewer days to dry. At the same time, moist plasterboard areas take more time to dry.

Water harm experts are the ones experienced in managing these cases. They help dry out the roof, eliminate the furnishings and the overabundance of water, and do the fixes. You can search them out on the off chance that you can’t manage your water-wrecked roof.

Damaged pieces

Before the roof fix, you should dry out your roof first. Assuming it’s now dry, get your clay blade and eliminate the broke paint and plasterboard. Ensure that the region is smooth before fixing, and eliminate all the disintegrating mortar and stripping paint.

If the wrecked fix is more extensive than around four creeps in breadth, utilize a utility blade or etch-edged scrubber and sled to remove it in a slick, square area. For exceptionally enormous fixes, remove the old plasterboard to uncover the roof joists. You’ll require something more robust than slat to append a huge drywall fix.

Note: Push up on the roof, encompassing the harmed region. If it slides or yields underneath your fingers, use 0.3-inch gypsum fasteners and plasterboard spacers to attach it to the lathe. Assuming you skirt this progression, the heaviness of the sagging roof will break your maintenance.

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After eliminating the harmed paint and mortar, fill the openings and breaks with joint mixtures. Let the compound dry before continuing to the subsequent stage. Using a utility knife, slice a half-inch section of gypsum to accommodate the space.

Applying a metallic mesh plasterboard patching if the opening is less than six inches wide. You most likely will not require anything over joint compound and fiberglass network tape for more modest spaces or breaks.

Cover the surface

After topping off the breaks and openings on the mortar roof, add a layer of introduction. After that, utilize a clay blade to apply the joint compound. Guarantee that the layers are dainty, so it doesn’t take long to dry.

Add one more coat after the layers have dried out. Apply no less than two additional meager layers of joint compound over the maintenance, broadening the mixture past the edges of the fix so it mixes in with the remainder of the roof.

Sanding and Retouching

After the compound has dried, sand the roof to free its surface or blemishes. Put on your security goggles for this progression. Use a drywall sandpaper screening or a sandpaper sponge, sand the last application of bonding solution. Run your hand over it to feel for edges or lopsided spots and eliminate the residue with a sodden fabric.

Cover the roof with groundwork again after sanding. Hold on until the groundwork dries. Then paint the region similar to the remainder of your mortar. Allow the paint totally to dry before you set your furniture back.

If you see any brown or stained areas on the fix or the encompassing roof, utilize colored shellac or stain-obstructing preliminary. The brown discoloration gets caused by water degradation and will be visible through acrylic paint if not primed.

Bottom line

Hopefully, this guide on how to repair plaster ceiling water damage has provided you with the confidence to tackle your plasterboard ceiling restorations independently. However, if you have difficulty repairing it, you might get an expert to examine it.


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