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For conservation work matching an existing historic facade, sandstone remains irreplaceable due to its unique grain and tooling marks.
We love how the natural grain of the stone catches the light throughout the day. It’s the kind of detail that turns a house into a home. sandstone window sills
| Failure Mode | Visual Indication | Primary Cause | |--------------|-------------------|----------------| | Laminar spalling | Detachment of thin sheets parallel to bedding | Expansion from iron pyrite oxidation (rust bursting) | | Edge crumbling | Rounded, granular loss on front edge and drip groove | Freeze-thaw + salt action | | Mid-span cracking | Vertical or diagonal hairline crack | Overload or insufficient bearing (lack of support beneath) | | Under-side bowing | Downward sag visible from below, often with tensile cracks | Long-term creep under sustained load + wetting/drying cycles | For conservation work matching an existing historic facade,
For conservation work matching an existing historic facade, sandstone remains irreplaceable due to its unique grain and tooling marks.
We love how the natural grain of the stone catches the light throughout the day. It’s the kind of detail that turns a house into a home.
| Failure Mode | Visual Indication | Primary Cause | |--------------|-------------------|----------------| | Laminar spalling | Detachment of thin sheets parallel to bedding | Expansion from iron pyrite oxidation (rust bursting) | | Edge crumbling | Rounded, granular loss on front edge and drip groove | Freeze-thaw + salt action | | Mid-span cracking | Vertical or diagonal hairline crack | Overload or insufficient bearing (lack of support beneath) | | Under-side bowing | Downward sag visible from below, often with tensile cracks | Long-term creep under sustained load + wetting/drying cycles |
