How to Fix a Broken Skirting Board

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7 min read|Updated: Jun 27, 2026|By Home Repair Expert

Quick Answer

A broken skirting board is fixed by removing the damaged section, cutting a replacement piece at matching angles (use a mitre saw for 45-degree corners), gluing with wood glue, and securing with 50mm finishing nails into the wall studs. Fill nail holes with wood filler, sand smooth when dry, then prime and paint to match. Cracked sections in place can be glued and clamped without removing.

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A broken, loose, or damaged skirting board can make an otherwise tidy room look unfinished and neglected. Whether your skirting has come away from the wall, split, or rotted in places, repairing or replacing it is a satisfying DIY job that gives a room an instant lift.

This guide walks you through fixing loose skirting, filling damage, and replacing a section entirely, with a clean, paint-ready finish. Most repairs need only basic tools and an afternoon.

Why Skirting Boards Get Damaged

Skirting sits at floor level where it takes plenty of knocks and exposure. Common problems include:

• Failed adhesive or fixings: Old grab adhesive or nails lose their hold and the board pulls away from the wall.
• Impact damage: Vacuum cleaners, furniture, and foot traffic chip and dent the surface.
• Moisture and rot: Damp from spills or rising moisture can swell and rot timber skirting.
• Movement and shrinkage: Seasonal movement opens gaps at joints and along the top edge.

Tools and Materials You Will Need

• Wood filler or caulk
• Adhesive (grab adhesive) or finishing nails
• Hammer and nail punch, or a drill
• Handsaw or mitre saw (for replacement)
• Sandpaper
• Caulk gun
• Primer and paint
• Pry bar

Step-by-Step: How to Fix a Skirting Board

Step 1: Re-secure Loose Skirting

If the board has simply come away, apply fresh grab adhesive to the back and press it firmly to the wall. For extra hold, drive finishing nails or screws into the studs or masonry and punch the heads below the surface.

Step 2: Fill Chips and Dents

Press wood filler into chips and dents with a putty knife, slightly overfilling. Once dry, sand it flush with the surrounding surface.

Step 3: Replace a Damaged Section

For rot or major damage, prise off the bad section with a pry bar. Measure and cut a matching length of skirting, mitring any corners, and fix it in place with adhesive and nails.

Step 4: Caulk the Gaps

Run a neat bead of decorator’s caulk along the top edge where the skirting meets the wall, and at any joints. Smooth it with a wet finger for a seamless look.

Step 5: Prime and Paint

Prime any bare timber or filler, then paint the skirting to match. Two thin coats give the cleanest, most durable finish.

Pro Tips to Prevent This Problem

• Use flexible decorator’s caulk, not rigid filler, along the wall edge so it won’t crack with movement.
• Treat or seal timber skirting in damp-prone areas to prevent future rot.
• Match the profile carefully when buying replacement skirting so joints blend in.

When to Call a Professional

Call a professional if skirting damage is caused by ongoing damp or rising moisture, which must be diagnosed and fixed first, or if you need long runs of intricate period profiles matched and fitted precisely.

Frequently Asked Questions

How do I reattach skirting board that has come off the wall?

Apply fresh grab adhesive to the back and press firmly, then reinforce with finishing nails or screws into the studs or masonry for a lasting hold.

What should I use to fill gaps above skirting?

Use flexible decorator’s caulk rather than rigid filler. It moves with the house and won’t crack along the wall edge.

Can I paint over damaged skirting?

Fill and sand any chips or dents first. Painting over damage only highlights it, whereas a quick filler and sand leaves a smooth base.

Final Thoughts

Repairing skirting board is a quick, low-cost way to make a whole room feel finished again. Re-secure loose sections with adhesive and nails, fill minor damage, and replace any rotten lengths, then caulk and paint for a crisp result. Seal timber in damp areas and your skirting will stay neat and intact for years.