What You Will Need
Before you begin, gather the following materials:
- Putty knife
- Utility knife
- Sanding block
- Joint compound
- Fiberglass mesh tape
- Primer
- Paint
- Paintbrush
Step 1: Prepare the Crack
Using a utility knife, widen the crack by cutting a V-shaped groove along its entire length. This will help the joint compound adhere better.
Step 2: Clean the Area
With a damp cloth or sponge, clean the area around the crack to remove any dust or debris. A clean surface ensures proper adhesion of the joint compound.
Step 3: Apply Fiberglass Mesh Tape
Cut a piece of fiberglass mesh tape slightly longer than the crack. Press the tape firmly onto the crack, ensuring it covers the entire length. This tape will provide added strength and prevent future cracks.
Step 4: Apply Joint Compound
Using a putty knife, spread a thin layer of joint compound over the fiberglass tape. Feather the edges to create a smooth transition between the patch and the wall surface. Allow it to dry completely according to the manufacturer’s instructions.
Step 5: Sand and Repeat
Once the joint compound is dry, lightly sand the patched area using a sanding block to achieve a smooth finish. If necessary, apply another thin layer of joint compound, repeating steps 4 and 5 until the crack is fully filled and blended with the wall.
Step 6: Prime and Paint
Wipe away any dust from sanding, then apply a coat of primer over the patched area. Allow it to dry, and once dry, proceed to paint the patched area to match the rest of the wall. Feather the paint into the surrounding wall for a seamless finish.
By following these step-by-step instructions, you can easily fill a crack in the wall and restore the beauty of your living space. Remember, taking care of these small repairs promptly can help prevent further damage and save you from expensive repairs down the line.