Guide 102

Faux stone wall from polystyrene

52 h for two, ≈ 6 weeks★★★materials 271 – 611 €

A continuous rock relief 2.9 × 2.45 m on an internal living-room wall, facade polystyrene and mineral mortar. 22 stones from 5 templates and a map with anchor points, shaped with knife and rasp, no fumes, stone look from glazes. Mineral cover 3 + 3 mm measured on the wall, substrate tests with trial cubes and a page on where a relief does not belong.

€17PDF · lifetime access

Buy — €17 (lifetime) →

29 pages A4 5 templates + map dimensioned drawings shopping list

What's in this guide

Cutting plan for shaped parts: 5 templates, map, 22 stones, 15 boards
Bonding and base coat as in wall insulation, mesh and overlaps
Shaping polystyrene with knife, saw and rasp — no hot wire
Six substrate tests including trial cubes, before you buy materials
Stone look with paint: base coat, glazes, dry brushing, a sample board
Fire rules: 3 + 3 mm cover, at most half the floor area

PDF, 29 A4 pages to print for the workshop · dimensioned drawings and illustrations · shopping list on a separate page so it can be torn out and taken to the store. You download it right after payment, access is for life.

Before you start building

This guide is informational material, not construction documentation or a professional assessment. Follow the instructions of tool and material manufacturers, safety rules and local building regulations. A piece built at home is not a certified product, even where the guide follows a European standard. Structures that carry people — beds, swings, decks, pergolas, children's equipment — should be checked by a qualified person before use. To the extent permitted by law, we accept no liability for the result of your build, property damage or injury arising from the use of this guide (Terms, section 9).