SAFETY
1: FIRE CODES
Carstone is proud to have passed California
TB 133, TB 117 and Boston rigorous fire
codes for our chairs. If your local
government requires this stringent conformity
for your safety, please consult
Us for details.
2: HI DENSITY FIRE RETARDANT
FOAM
We only use commercial grade, high density,
pure urethane foam in our products.
It is highly supportive. Unlike others,
we don’t add fillers to artificially
increase the weight specification. Our
foam is fire retardant and will not
support or maintain a flame by itself.
(Their foam will
burn freely creating an extreme fire
danger. The 25 pound weight also shows
how easily it collapses.)
3: WELDED BOOKRACKS
Carstone has perfected this popular
option. The wire ends of the rack are
not exposed. They are inserted into
the leg support tubes to prevent rough
edges from damaging clothing and hosiery.
(The competition
leaves a sharp edge exposed.)
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SUPPORT
4: FULL LOOP
BACK
Carstone utilizes a full loop of steel
to support the chair back. This locks
the back together, maintaining frame
integrity.
(Their frame uses a double post back
which allow the posts to flex independently.
This movement transfers stress to the
fastening hardware ultimately resulting
in failure.)
5: SEAT SUPPORT
& TRUSS DESIGN
Carstone incorporates a tubular steel
support bar under the seat, creating
a steel seat foundation. Furthermore,
we create an engineered truss structure
with the seat bar, leg bars and box
welds that locks the frame firmly in
shape. All stresses are transferred
and shared among multiple joints, preventing
any one from becoming a hinge joint.
(Their frame is
void of any additional support through
the center of the chair. There is no
truss created to strengthen the frame.)
6: LEG SUPPORT
TUBES
You won’t find a simple, side welded
wire in our frames. Neither will you
find a tube welded on just one edge.
We use the full strength of a structural
tube to further support our legs. This
tube gives beam strength and is 180º
butt welded for superior strength.
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FABRICS
7: FABRICS
Carstone offers a full range of extremely
high wear fabrics from which to choose.
They meet building and fire codes for
your safety. Please see our “Colors” catalog
for details.
8: FOOT GLIDES
We use a booted, internal spring clip
fastened, swivel vinyl glide as standard
on our chairs. The boot encloses the end
of the tube.
(The rounded, friction
fit piece of plastic on others does not
cover the sharp, rough steel edge of the
leg. This sharpness can be seen where
plastic has been shaven off the glide
when it was inserted.)
9: POWDER COATING
The colorful coatings on every carstone
chair is environmentally friendly powder
coating. This coating is far superior
to wet epoxy paints that depend on simple
“drying” or out-gassing of volatile organics
to cure. It is created by a polymerization
reaction which forms permanent atomic
cross links within the coating and binds
to the metal substrate for a most durable
finish
(And unlike others,
we actually coat the entire chair, even
the bottom!)
10: LOW PROFILE
STACK BUTTONS
We use a shallow, inconspicuous button
to support the chair in stacks. This lowers
the risk of them being knocked out in
use and keeps your chair looking like
furniture, not like a display rack.
(You won’t find huge,
ugly buttons protruding from our chairs.)
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