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FLIGHT FIXER SAFETY
RENOVATION STAIR TREADS SPECIFICATION
Provide Flight
Fixer Safety Renovation Stair Treads type
safety nosings (select appropriate size):
- 11 inches wide
Product Number 9832-100-0311 (Type 311)
- 9 inches wide Product
Number 9832-100-0300 (Type 300)
- 6-1/2 inches wide
Product Number 9832-100-0365 (Type 365)
as provided by The
Mat King a d/b/a of Geoffrey Drew Marketing, Inc.
for interior and exterior stairs.
- Tread base shall
be type 6063-T5 extruded aluminum with a 5/32" thickness minimum.
- The anti-slip surface
shall be chemically bonded onto the extrusion with an adhesive matrix
that is capable of 7.3 lbs per square inch peal strength - PSTC-1
- The anti-skid surface
shall be level with all surfaces of the extrusion.
- Treads shall be
noncombustible, as tested under Federal
- Test Method Standard
No. 501a. 11ethod6411, Mil-D-STD-16230.
- Treads shall meet
Mil-l -17951E. Motor Vehicle Safety Standard No.302. Treads are U.S.D.A.
approved.
- Specify acrylic
based construction adhesive for installation.
- Standard tread
design without drilled and countersunk holes. Addition of holes must
be specified (consult The Mat King).
- Unless otherwise
specified front and back anti-skid surface are standard flat black medium.
- Treads shall have
a coefficient of Friction per specification Mil-D-17951 E that is equal
to or greater than 1.24 Dry and 1.02 Wet.
- Anti-skid surface
shall consist of a uniform ”closed coat" of the specified
grade of mineral abrasive.
- The abrasive shall
be adhered to the substrate with a flexible polymeric binder in sufficient
thickness to achieve both optimum bond and grit exposure.
- The abrasive surface
has an underside with a uniform application of high tack permanent type
acrylic pressure-sensitive adhesive,
- The safety treads
shall be furnished straight and free from defects.
- All exposed aluminum
will have a satin finish.
- Color extends uniformly
throughout the abrasive surface.
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