
TerraGen Gratti
PREMIUM MINERAL TEXTURE FINISH
Bring subtle depth and natural character to interior and exterior walls with a premium mineral texture finish designed for refined, hand-finished surfaces. TerraGen™ Gratti combines selected aggregates and bio-based resins with CaCO₃™ Technology (Graphene Technology) to create a fine, deep-matte mineral texture, finished by hand as scraped, floated, burnished or smooth surfaces.
At a glance
- TRACE VOC
- INTERIOR + EXTERIOR
- 17–48 SQ. FT./PAIL
- TROWEL · ROLLER
- DEEP MATTE
Why it works
- Deep matte mineral look with a fine texture
- Roller or trowel: fast, reliable application
- No dedicated primer over well-adhered latex paint
- High breathability for high-traffic and humid spaces
Where to use it
Drywall / gypsum board · Gypsum plaster · Stucco · Well-adhered latex paint · Hotel corridors · Public buildings
Technical details
| Coverage | Approx. 17–48 sq ft per 44-lb pail at 0.12–0.20 in (3–5 mm) (Two coats (leveling + finish)) |
|---|---|
| Colors | Off-white or Harmony chart |
| Recoat / Paint over | 24–48 h / 4 days |
| VOC | Trace VOC (< 1 g/L (ISO 11890-2)) |
| Apply at | 46–86 °F (ready to use) |
How to apply it
- Prepare: Sound and dust-free. No primer needed over well-adhered latex paint; Primer Contac on smooth surfaces. (24 h if primed)
- 1st coat: By roller or trowel, 0.08–0.12 in (2–3 mm). (24–48 h)
- 2nd coat: Same technique, for the final texture. (4 days)
- Protect: In bathrooms and kitchens, seal with PU Water-Repellent.
Surface preparation
| Surface | Primer |
|---|---|
| Drywall / gypsum board | Not needed |
| Spray-applied gypsum or perlite plaster, skim coats | Not needed |
| Lime or cement stucco | Not needed |
| Well-adhered latex paint | Not needed |
| Friable or dusty mineral substrate | MinerGen |
| Highly absorbent or low-porosity substrate | A skim coat of TerraGen Adhesive |
| Non-porous: tile, glass, smooth panels | Primer Contac |
Questions
How much will I need?
Coverage: Approx. 17–48 sq ft per 44-lb pail at 0.12–0.20 in (3–5 mm). Two coats (leveling + finish). Use the project calculator on this page — it rounds up to full containers.
Do I need anything else?
Only the primer your surface needs: pick your surface under How it works and we'll show the one primer it needs, if any. TerraGen™ PU Water-Repellent: recommended in wet areas — optional protection on other exposed surfaces. Not sure? Tell us what's on your wall and we'll help you choose.
Where can I use it?
Interior and exterior. Drywall / gypsum board, Gypsum plaster, Stucco, Well-adhered latex paint, Hotel corridors, Public buildings.
What's the recoat time?
24–48 h / 4 days (at 77 °F and 60% RH; cold or humid conditions extend it).
How long does an unopened pail keep?
18 months in the original, sealed container.