Before sealing: check your painting
Once it is under sealer or glass, there is little you can change. So take ten minutes first:
- Look for gaps: hold a flashlight flat from the side. Missing drills cast a shadow and stand out immediately.
- Straighten drills: nudge square drills into line with the pen tip or a ruler.
- Remove lint and hair: with tweezers. If a hair is under a drill, lift the drill briefly and put it back.
- Roll it: cover the painting with baking paper and roll firmly over it with a rolling pin or a bottle.
Do you need to seal a diamond painting?
No. A well-rolled painting holds without sealer. If it goes behind glass in a picture frame, you can skip sealing.
Sealing makes sense if the painting hangs uncovered (stretcher frame, poster hanger), in a kitchen or a smoking household, within reach of children or pets, or if you want to give it away and ship it.
Good to know: sealer can take away some sparkle, especially from AB drills and fairy dust drills. Always test it on a few spare drills or on the edge first.
What to seal it with
| Product | How to apply | Good to know |
|---|---|---|
| Dedicated diamond painting sealer | Brush or sponge, thin coat | Made for the job, dries clear; available in gloss or matte |
| Decoupage glue, e.g. Mod Podge (gloss) | Brush, thin coat; wipe off excess right away | Cheap and popular; applied too thick it leaves a milky film in the gaps |
| Clear acrylic spray | 2–3 thin coats from 25–30 cm (10–12 in), outdoors | Very even; strong smell, ventilate well |
Avoid hairspray (stays sticky and can yellow) and regular all-purpose glue (can cloud the drills).
Sealing step by step
- Protect your table: lay the painting flat on newspaper or plastic.
- Remove dust: with a soft, dry brush.
- Apply thinly: row by row from top to bottom. Two thin coats beat one thick coat.
- Wipe: with decoupage glue, wipe the surface after a few minutes with a slightly damp, lint-free cloth. The drills stay shiny and the glue stays in the gaps.
- Let it dry: at least 24 hours, lying flat and protected from dust.
Framing: four options
First measure the printed area with the drills, not the whole canvas. Most canvases have a 2 to 5 cm (1–2 in) blank border – a “40 × 50 cm” kit often has a picture area of about 36 × 46 cm.
| Method | Cost | Protection | Effort |
|---|---|---|---|
| Picture frame with glass | low to medium | very good | low |
| Stretcher frame | low | medium (best sealed) | medium |
| Poster hangers top and bottom | low | low | very low |
| Mount on a board | low | depends on frame | medium |
Picture frame: the easiest choice is a frame whose opening matches the picture area, or a larger frame with a mat. Fold the blank border to the back. If you want to cut it off, take a photo of the legend first.
Stretcher frame: buy a stretcher frame the size of the picture area. The canvas needs at least 3 cm (1.2 in) of border all around. Lay the painting drills-down on a towel, center the frame on it and pull the border tight around the edges – start in the middle of each side, then work towards the corners. Fix it at the back with a staple gun or strong double-sided tape. The outer row of drills should end exactly at the front edge, otherwise drills bent over the edge will pop off.
Poster hangers: two wooden or magnetic strips at the top and bottom – done. Ideal if you like to swap paintings on the wall.
Mount on a board: cut hardboard or foam board to size, apply spray adhesive or double-sided tape and press the painting on smoothly from the center outwards. Then it fits into any frame like a photo.
Storing it unframed
No frame yet? Roll the painting loosely with the drills facing out, ideally around a cardboard tube. That way the drills do not press against each other and stay in place. Never fold it – creases are very hard to get out.
Keep a record of your finished paintings
Before the painting disappears on the wall, take a photo. In the free Diamond Painting Manager you save it with the finish date, DMC colors and notes in your gallery and always see everything you have completed.