Materials Guide & Reference Library

Canvas Handling & Crease Behaviour

SECTION 1 - Observation

Many diamond paintings arrive with folds, waves, or air pockets.

Sometimes they flatten easily. Sometimes they repeatedly return after smoothing.

Two canvases can look identical when rolled, yet behave completely differently when opened.

You may notice:

• Creases that slowly rise back after pressing
• Small bubbles appearing hours later
• Drills lifting along fold lines
• Sections losing stickiness after correction attempts

These are not handling mistakes.

They are material responses.

SECTION 2 - Mechanism

A diamond painting canvas is a layered system:

Fabric base → adhesive layer → protective film

When the canvas bends, each layer stretches differently.

Rigid adhesive layers resist movement. Flexible adhesive layers absorb movement.

If the adhesive cannot stretch with the fabric, it separates microscopically. The bond weakens even if the surface still feels sticky.

This is why pressing or ironing sometimes helps temporarily, but the crease returns.

The material memory was never reset.
Only flattened.

SECTION 3 - Studio Method

Our kits are designed to avoid crease formation rather than rely on fixing it later.

We combine two things:

1. A poured adhesive layer that remains flexible
Instead of a rigid adhesive film, the adhesive moves with the canvas fabric.
During bending it compresses rather than fractures, allowing the bond structure to remain intact.

2. Low-stress shipping orientation
Canvases are rolled around a protective core inside long packaging rather than folded into compact boxes.

This prevents sharp memory lines from forming in the first place.

Because the material is never forced into tight bends, the adhesive does not separate from the fabric base.

When opened:

• The canvas relaxes instead of fighting its shape
• The adhesive remains evenly distributed
• No “pressure zones” develop along fold lines

The goal is not to flatten creases after shipping, the goal is to avoid creating them.

SECTION 4 - Mechanism

Typical rigid adhesive behaviour:

• Creases create permanent weak zones
• Bubbles reform after smoothing
• Adhesion varies across the canvas
• Placement pressure affects long-term hold

Studio adhesive behaviour:

• Creases relax over time
• Surface remains uniform
• Drill hold remains consistent
• Corrections do not damage bonding

The difference is not stickiness.
It is structural stability.

SECTION 5 - Practical Takeaway

Do not iron a canvas unless necessary, most folds relax naturally
Allow time after unrolling before starting placement
Gentle reverse rolling works better than force flattening
Persistent bubbles usually indicate a rigid adhesive layer, not user error
Good canvas behaviour should feel predictable.
If you must fight the material, you are compensating for its design.

STUDIO NOTE -

CONTEXT & LIMITATIONS

Some minor waves are normal after shipping and will disappear once drills are placed.

Very sharp packaging folds can still require manual flattening regardless of adhesive type.

This guide explains behaviour differences, not faults. Different manufacturing methods prioritise different goals.

Our approach prioritises placement consistency and long-term stability.