What Is Dressing of Stone?
- Dressing of stone is a process of providing a proper shape, size and smooth finish to the rough-surfaced broken stone which is collected from a quarry.
- This process is done by either hand tools or machinery. Hand tools are used as a pickaxe, chisel etc.
- Stone dressing process is required more technical skilled labours and fair understanding of drawing, materials and specifications.
Objects of Dressing of Stone
- Reduce the size: The big sizes of rock pieces are needed to reduce its size in a lift-able size piece, that’s why it needs the size correction.
- Proper shape: The proper shape of the stone is required because the stone is used in a different place like foundation, arch, floors etc.
- Proper finish: Stones are mainly used in for decoration purpose that’s why it needs a proper glossy finish.
Stages in the Dressing of Stone
- Sizing: Sizing is the process where we remove the extra portion of a stone by hand tools like hammer, chisel etc. It’s done to give a stone to a proper shape.
- Shaping: Shaping is the process where we remove the sharp sides of a stone block.
- Planning: Planning is the advanced type of dressing where the stone is cleaned of all kind of irregularity.
- Finishing: Finishing of stone is the process of rubbing of the stone surface by silicon carbide.
- Polishing: It is the last stage if dressing and polishing are done only on marble, limestone and granite.
Types of Dressing of Stone:
There are so many types of dressing exist, those are-
- Pitched Dressing:
- Hammer Dressing:
- Chisel Drafting:
- Rough Tooling:
- Punched Dressing:
- Close Picked and Fine Tooling:
- Boasted Finish:
- Reticulated Finish:
- Vermiculated Finish:
#1. Pitched Dressing:
- The edges of the stone block is levelled with a hammer in pitched dressing.
#2. Hammer Dressing:
- In this type of dressing process, the large part of the rocks are levelled with a hammer but due to hammering hammer marks are shown in the rock.
- Hammer dressed stones do not have any sharp edges, and it’s perfectly fitted in the masonry.
- Those blocks are square in shape, and vertical sides are 8 to 10 cm from the face.
- Hammer dressing process is done by Waller’s hammer.
#3. Chisel Drafting:
- In the chisel drafting method, drafts and groove are made at all the four edges, and extra stone at the centre is also removed by this method.
#3. Rough Tooling:
- Rough tooling is the process where the edges are squared by hammer and chisel. Then all the series of the groove is created with this method.
#4. Punched Dressing:
- This dressing method of stone 1 cm vertical or horizontal groove is sunk into the stone.
#5. Close Picked and Fine Tooling:
- To get a refined surface, a punched stone is again dressed. This method gives you a fine texture and attractive look.
#6. Boasted Finish:
- In this method stone covered with parallel marks through their direction. This marks may be horizontal or angle.
- This type of method is done in the query, and irregular edges of the stone are broke by scabbling.
#8. Reticulated Finish:
- This is done when 2 cm wide margin on it’s aside. 6 mm deep sunk is done.
#9. Vermiculated Finish:
- In this finish, there is more curved and worm-eaten type appearance. It is not more popular because it required a lot of labours.