Edge banding fails at the joint, the end and the water line, not on the face. Thickness, adhesive and colour matching decide whether the edge survives a wet kitchen. Use 1–2 mm banding and PUR adhesive in wet areas, match the colour within about 1 mm, and seal the ends and joints.
0.4–0.8 mm for dry areas, 1–2 mm for wet areas.
PUR adhesive for moisture and heat.
Match the face colour, not the batch number.
Seal the ends and joints.
The edge fails before the face.
1. Why edges fail
Edge banding covers the raw core of the board. It is thin, it takes the first impact, and it is where water enters. A band that lifts at the end or the joint lets water into the core, and the board swells. The face rarely fails first; the edge does.
2. Thickness by use
| Use | Thickness | Adhesive |
|---|---|---|
| Dry cabinets | 0.4–0.8 mm | EVA |
| Kitchen general | 1 mm | EVA or PUR |
| Wet areas | 1–2 mm | PUR |
| Heavy use | 2 mm | PUR |
| Visible edges | 1–2 mm | PUR |
Thicker banding costs more but resists impact and moisture far better. In a wet area, the difference is not cosmetic.
3. Adhesive
EVA is the standard hot-melt and is adequate for dry areas. PUR is more moisture-resistant and handles heat better, which is why it is specified for wet areas and heavy use. The adhesive matters as much as the band thickness, and it is often the line that is cut first.
4. Colour matching
Match the band to the face under normal light, within about 1 mm. A visible line at the edge is the most common complaint, and it is usually a colour match issue, not a thickness issue. Keep a sample of the batch for later repairs.
5. Radius and profile
A softer radius at the edge resists impact better than a sharp square edge. On a door, the radius also affects how the edge catches light. The door finishes guide covers how the edge interacts with the face finish.
6. Moisture and sealing
Seal the ends and joints, especially in wet areas. A band that is glued but not sealed at the end still lets water in. In a sink run, the cut-outs and the raw edges matter as much as the band.
7. Specifying edge banding
Name the thickness, the adhesive, the colour and the sealing requirement. A specification that says matching edge without a thickness is not checkable. The carcass guide covers the board the band protects.
8. Checking at inspection
Check three things: the band is adhered along the full length, the colour matches the face, and the ends are sealed. Run a fingernail along the edge; a lift is a failure even if it is small.
9. A checklist before you commit
Before you sign, confirm six things: the board grade, the hardware model, the finish system, the packing standard, the inspection scope and the payment schedule. Each should be in writing, not in a call. The quote checklist turns the six into a one-page comparison.
10. Common mistakes
The most common mistake is comparing a factory price with a landed cost. The second is leaving the inspection out of the budget. The third is paying the balance before the inspection is signed off. Each is avoidable with a written scope and a pre-shipment inspection.
11. How to measure the room
Measure each wall at three points, top, middle and bottom, and use the smallest. Walls are rarely square, and a 10 mm bow over three metres changes the filler. Measure the ceiling at each corner and note sockets, radiators and soil pipes before drawing. A measured survey saves more time than a faster drawing, and the measuring guide has a printable sheet.
13. A specification checklist
Write four lines for every material: the product, the grade, the thickness and the surface or edge treatment. A material specified by name alone leaves the grade to the factory, and the grade is where the cost and the performance sit.
14. Questions the factory will ask
Expect four questions: which grade, which thickness, which edge and which batch. The answers should already be in the specification. If they are not, the factory will choose, and the choice will be the cheapest that meets the drawing.
Frequently asked questions
What thickness of edge banding should I use?
0.4–0.8 mm for dry areas and low-cost work; 1–2 mm for wet areas, heavy use and visible edges. Thicker banding resists impact better.
What is the difference between EVA and PUR adhesive?
EVA is the standard hot-melt and is fine for dry areas. PUR is more moisture-resistant and suits wet areas and higher heat.
Why does edge banding peel?
Usually because the edge was not clean, the adhesive was too cool, or the banding was too thin for the impact. Water and heat accelerate it.
How close should the colour match?
Within about 1 mm of the face colour under normal light. A visible line at the edge is the most common complaint.
Can edge banding be replaced?
Yes, a local repair is possible, but matching the colour and sheen after production is harder than matching at production.
Does edge banding affect compliance?
It affects moisture performance, which matters in wet areas. A thin band on an HMR board still leaves the core exposed if the joint is not sealed.
