Practical guide
Skirting Boards: Materials, Joints, Fitting and Care
A suitable skirting detail depends on the trim, wall and floor together. Check the actual product and joint requirements before cutting, fixing or covering an existing board.
Updated 16 October 2026
Reviewed by the 99Tools team. Editorial and corrections policy.
What is a skirting board and what is its purpose?
Skirting is the finishing trim at the junction of a wall and floor. It covers the edge detail and helps protect the lower wall from everyday contact while completing the room’s appearance. In American usage it is commonly called a baseboard. The selected profile must suit the floor finish, wall, required coverage and intended room conditions. A skirting board cover is a different fitting approach that goes over suitable existing trim; its internal dimensions and clearances must match.
Pine, wood, MDF, PVC and composite skirting
Compare the actual height, thickness, profile, stock length, surface finish and intended exposure, rather than colour alone. Pine and other solid timber, MDF, PVC/plastic and other composite profiles have different movement, finishing and fixing requirements. A moisture-resistant MDF grade is not automatically waterproof. A white or wood-look finish does not identify the core material. In a kitchen or moisture-prone area, check the exact product’s permitted use and the underlying moisture condition before selecting it.
How to cut, mitre and scribe skirting
Two matching 45-degree mitres can meet at a true 90-degree corner, but real corners, profile orientation and the selected joint can require different cuts. Measure and check the actual angle; do not set every corner to 45 degrees automatically. An internal scribed joint is another approach for suitable profiles. Use appropriate tools and the product’s cutting guidance, including support and dust control. This calculator allocates lengths only; it does not select saw settings, generate a scribe outline or turn a wall length into an automatically correct mitred cut.
Attaching skirting and preserving floor movement
Use the selected trim’s approved adhesive, clips or mechanical fixing system and prepare the wall as specified. Check for concealed services before mechanical fixing. With a floating floor, preserve the required movement detail and avoid fastening the skirting through the floor in a way that restricts movement. Product-specific sealants, moisture finishes and junction details can differ. The calculator does not assume a universal clip interval, adhesive coverage or expansion gap.
Gaps, water damage and removal
Check why a gap or damaged section exists before filling, covering or replacing it. Uneven surfaces, movement, failed fixings and moisture can require different solutions. Use a compatible filler or sealant only where the product and floor detail permit it; do not automatically fill a movement gap rigidly. Find and address the cause of water damage before cosmetic repair. For removal, identify the fixing method and nearby services, protect adjacent finishes and use an appropriate controlled method. The tool does not diagnose damp or prescribe one removal tool for every wall.
Curved walls, covers and LED profiles
Measure a curved wall along the intended trim path, not across a straight chord. Use a product specifically permitted for the radius and installation method; do not assume ordinary MDF, timber or plastic skirting can be bent or heated. The straight-piece allocation model does not verify a curved product’s fit. Skirting covers need clearance over the existing profile. LED skirting also requires a compatible lighting system, access and appropriate electrical work; a trim-length quantity does not design that system.
Use the related calculators
Apply the explanation above with your own figures. Open a calculator below, check every input and review the result assumptions before making a decision.
Frequently asked questions
Do I always cut skirting at 45 degrees?
No. Matching 45-degree mitres apply to a true 90-degree corner under the appropriate setup. Measure the actual corner and joint requirements.
Can skirting be fixed to a floating floor?
Follow the floor and trim instructions while preserving movement. Do not fasten trim in a way that restricts the floating floor.
Can I repair water-damaged MDF by painting it?
Assess and address the moisture cause and product condition first. Painting is not a remedy for underlying moisture or a guarantee that damaged material is sound.
What is skirting called in America?
It is commonly called a baseboard.
Does the calculator show current skirting prices?
No. Costs use your entered material and service quotes. Zero lines remain unpriced.