Product Specification
Cornice: Decorative cornice system by DS4 Decor / The Cornice Store.
High-density XPS profile, standard 2.4 m lengths.
System is non-structural. Fire indices per AS 1530.3 (see SDS). Australian-made. No solvent-based adhesives, paints or cleaners permitted.
Compatibility
Install with acrylic/water-based adhesive, joints finished with compatible acrylic or solvent-free filler; water-based paint prep; water-based paint finish.
AVOID SOLVENT-BASED OR SILICONE PRODUCTS
Solvent-based products will damage the material, and while some silicone products may not directly damage the material, it is not paintable.
| Category | Specification | Examples (Australia) |
|---|---|---|
| Adhesive | Water-based, solvent-free; specifically formulated for lightweight cornice/XPS | Soudal Strong As Nails Super Grab (Water Based); Selleys Liquid Nails Fast Grab (Water Based); Parfix No More Nails (Water Based) |
| Filler | Acrylic gap filler or lightweight joint compound; flexible and sandable | Soudal Acrylic Gap Filler; Selleys No More Gaps; Selleys SpakFilla Rapid; Nordsjo Light & Smooth Super Filler |
| Paint | Water-based acrylic, low-VOC; suitable for priming & finishing; Water-based primer / undercoat / sealer; Water-based Enamel XPS | Dulux Ceiling White (Water Based); Taubmans Easycoat; British Paints H2O Enamel |
| Category | Not Recommended Specification | Why It’s Unsuitable |
|---|---|---|
| Adhesive | Solvent-based construction adhesives or contact cements; expanding foams | Solvents can attack/melt XPS; foams expand and can distort the cornice profile |
| Filler | Hard-setting plaster fillers or cement-based compounds | Too rigid; prone to cracking at joins and may not bond well to XPS |
| Paint | Oil-based enamels; solvent-borne primers/sealers | Solvent content can degrade the XPS surface, causing bubbling or melting |
