Exterior - Heritage & Lime Render
GCS Exterior is a silicate masonry paint developed for lasting performance on heritage and contemporary buildings. Its ultra-matt mineral finish is breathable, water-resistant, and resilient in challenging weather. Formulated with UV-stable metal oxide pigments and carrying an A2-s1, d0 fire rating, it provides protection and confidence across projects from listed landmarks to modern commercial spaces. Trust Graphenstone for a paint that transcends generations, enriching both your space and the planet.
GCS Exterior
Silicate Masonry 2% Sheen
Silicate paint for exterior walls & masonry. GCS Exterior is a class 1 vapour open, premium silicate paint for exterior use. Ideally suited for use in heritage buildings, older properties and building facades, where a traditional mineral finish and fully breathable paint system is required. Classified as A2 -s1, d0, GCS Exterior is also fire resistant and recommended for projects that require materials that resist the spread of flame.
 | 10-14m2/L per coat (depends on substrate) |  | Brush, roller or spray applied | |
 | Silicate |  | Breathable Sd Class 1 | |
 | 1h - touch dry 2-4h - between coats 24h - for full drying |
Filler
Textured Silicate Primer
Filler is a vapour open, textured silicate primer for interior and exterior use. The finish helps to even out and visually mask surfaces of differing textures eg: smooth patch repairs on an existing uneven render, new brickwork next to old. Filler can also be used to cover and fill crazing and hairline cracks less than 1mm...
| 5-7m2/L per coat (depends on substrate) | | Roller, brush, airless or other type of projection. | |
 | Mineral | | 24h - for full drying |
Ambient Primer L42
Stabilising Primer
Stabilising Primer
Ambient Primer L42 is a vapour open primer and stabiliser with exceptional coverage rates, for interior and exterior use. Recommended for absorbent or difficult substrates and to equalise the surface porosity of dusty or chalky surfaces prior to painting.
| 12-16m2/L per coat (depends on substrate) | | Brush, roller or spray applied | |
 | Acrylic copolymer | | 1h - touch dry 2-4h - between coats 24h - for full drying |
