Dedicated to the enhancement of outdoor environments through fine art
craftsmanship and design.
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  C.O.I. Stonework is dedicated to providing clients with the highest level of stone craftsmanship. We
constantly work towards greater levels of professional achievement to ensure our clients the absolute best
stonework restoration and design in the industry.
 
 Owner of
C.O.I. Stonework, Zach Goebelt, graduated from Kent State University with a Bachelor of
Fine Arts Degree and has also become Ohio's only  Certified Professional Dry Stone Journeyman
Mason. Practical knowledge and skillful dedication to the Arts and Crafts have enabled C.O.I. Stonework to
provide clients with the highest quality restoration and design since 2006.
330.338.4733
 
  Dry stone masonry walls are the most
sustainable and maintenance-free structures on Earth. The craft of
dry stone masonry has been alive for as long as humanity and has remained virtually unchanged for thousands
of years.
  
  The term dry stone refers to a stone building process which uses
no mortar or concrete to bind stones
together. These super-durable structures remain extremely stable because all stones fit carefully to overlap
each other. The longest dimension of each rock is placed lengthwise into the core of the wall, locking the
structure together using
friction and gravity. Stones of diminishing sizes are set within the wall, behind each
face stone, for maximum strength. Gravel is never used behind the face of a dry stone wall as it does not provide
stable support. Crushed gravel may however be used at a depth of between 2 and 10 inches beneath foundation
stones.

 Drainage is never a problem with dry stone walls as no water is trapped within or behind the wall. Water
naturally percolates through dry stone structures to relieve the potentially destructive force of lateral
hydrostatic water pressure. Concrete and mortar retaining walls create an impermeable membrane and do not
allow water to escape. Deep footer drains and weep holes within mortared walls manage the force of water
behind a retaining wall but become clogged and hold water resulting in a short life span. On the other hand, dry
stone masonry is free-draining by design. Historic dry stone walls can be seen along river banks and canal locks
built hundreds of years ago.  

 Dry stone walls can be considered an option to concrete block systems because they are very
comparable in
cost
and will last longer. Pressed blocks not only have a shorter life-span but also lack visual appeal and
character of a natural stone wall. The stones used for dry stone walls are gathered at
local quarries and
delivered in bulk. This process
does not deplete natural resources and does not involve massive amounts
of fuel. Dry stone walls can be seen as a
cost-effective and green alternative to concrete block walls.

 We recognize the need for environmentally friendly building practices and have worked tirelessly to make this
our area of expertise. Together we may work in harmony with the earth to achieve a legacy of sustainable
craftsmanship for tomorrow.
What is Dry Stone Masonry?
330.338.4733
Zach Goebelt, Owner, C.O.I. Stonework, instructing participants at the
Ohio Landscape Association's Dry Stone Retaining Wall Clinic, July 2009
Dry Stone Fence Cross-Section Diagram
Dry Stone Retaining Wall Cross-Section Diagram
RESTORATION      &      DESIGN
RESTORATION      &      DESIGN