Irregular slabs
The porphyry irregular slabs are also called Paladin, mosaic, crazy paving or opus incertum, are used for the formation of exterior paving (pavements, courtyards, paths, garden) and facing (road walls, building, terraces).
The upper surface will be natural quarry surface which is not too rough, but the split edges are irregular.
They consist of slabs with irregular shape divided into various types according to their thickness and size:
The upper surface will be natural quarry surface which is not too rough, but the split edges are irregular.
They consist of slabs with irregular shape divided into various types according to their thickness and size:
– Standard type (light traffic)
– Thin type (pedestrian traffic)
– Large type (light traffic)
– Thin large type (pedestrian traffic)
Technical data sheet porphyry irregular slabs
| IRREGULAR SLABS – UNI EN 1341 | |||||
|---|---|---|---|---|---|
| Petrographic name | Rhyolitic ignimbrite | ||||
| Colour | Non-dominant variable-colour grades: grey, red, red-violet, rust or mixed colours | ||||
| Main processing | By cleavage of stratified material having a natural quarry plane, with various thickness and irregular polygonal form | ||||
| TYPE (mm) |
THICKNESS (mm) |
WEIGHT (KG/m2) |
SUGGESTED APPLICATION | TRAFFICKING AND USE | USEFUL LAYING THICKNESS (mm) |
| Thin irregula slabs | from 10 to 30 | from 60 to 70 | Stradivari | Pedestrian traffic | from 60 to 70 |
| Normal irregular slabs | from 20 to 50 | from 85 to 90 | Stradivari | Pedestrian traffic, (Cladding), Very limited vehicle traffic |
from 90 to 100 |
| Giant irregular slabs (thin type) |
from 20 to 40 | from 70 to 80 | Opera | Pedestrian traffic, Cladding), Very limited vehicle traffic |
from 90 to 100 |
| Gian irregular slabs | from 30 to 70 | from 100 to 110 | Opera | Pedestrian traffic,(Cladding), Light vehicle traffic |
from 100 to 120 |
| Wall slabs | from 110 to 180 | approx. 350 | (Cladding) | from 250 to 300 | |