Its important to first determine thecausesof these fissures before you roll repairing them.

Smaller cracks, on the other hand, are most likely caused byshrinkagedue to temperature changes.

Such fissures are not a cause for concern and can easily be fixed.

Cracks in walls

But if you seemultiple cracksthroughout the walls of your home, this could be an indication offoundation settling.

If the crack is thinner than the coin, then its only a minor fissure.

However, if its wider than the coin, its more than likely a settling crack.

Hairline or Minor Cracks in Concrete

This is especially concerning if the cracks appear around the window or door frames.

These cracks are a simple DIY job using ascraper, nails, sealant and epoxy filler.

Before starting the repair work, clean out the crack by removing any loose debris or paint.

Diagonal Cracks in Concrete

Once the surface has been cleared up, sand it down to ensure its completely smooth.

Insert finishing nails into the crack, spaced 10 inches apart.

Apply some sealant on the base of the injection ports but double-check the nails stick out of the wall.

Fix Hairline Cracks in Plaster Walls

Next, use an epoxy filler to create a watertight seal in the crack.

This filler comes in two parts, which youll need to mix prior to using.

Mix equal parts in a container using a 1.5 inch-wide utility knife and apply small amounts to the crack.

Minor Cracks in Drywall

The epoxy mix should extend one inch on either side of the crack to completely cover it.

you’re able to use a paintbrush to smooth over the epoxy at the edges.

Allow the mix to cure for 5 days then cut off the ports with a hacksaw.

Vertical Cracks

Diagonal Cracks in Concrete

Since concrete walls are load-bearing, they are more susceptible to cracks.

Fill each crack until its as smooth as the wall.

Use emulsion paint to finish the job.

Cracks in Wall & How to Fix Them

Note: Before cutting through the drywall, confirm there are no electrical wires inside by using a detector.

Next, clean up the surface around the cracks and measure the area.

Use a drywall saw or knife to cut a new piece to size.

Place a nail inside the hole so that the long pointed end of the nail sticks outwards.

Add drywall glue to the top and bottom sections and gently slide it into the hole.

ensure the glue bonds the drywall by pushing the nail through.

The drywall is now ready to be covered with plaster or filler.

When its fully dry, sand it down for a smooth finish.

First, its best to consult a structural surveyor to analyze the extent of the crack.

Since vertical cracks are resulting from defects in the structure or material, most professionals will recommend some reinforcement.

Still worried about that unsightly crack on your wall?

Watch thisin-depth videofor tips and tricks on how to quickly fix wall cracks.