2.1.0
The fiberglass grating will have a grid size of _____”
X ______” and ______” thick.
2.1.1. The resin system shall be (Designer to choose one):
(a) VEX - Vinyl ester, Chemical Proof Fire Retardant Plus,
Class I ( rated at 10 or less )
(b) VE - Vinyl ester, Chemical Proof Fire Retardant, Class
I ( rated at 25 or less )
(c) IS - Isophthalic, Industrial Grade Fire Retardant,
Class I ( rated at 25 or less )
(d) ISF - Isophthalic, Food Grade Fire Retardant, Class
II ( rated 30 or less )
(e) OR - Orthophthalic, Architectural Grade Fire Retardant,
Class I ( rated at 25 or less )
(f) ORN - Orthophthalic, Architectural Grade Non Fire
Retardant, Not rated.
2.1.2 All grating except ORN will be Fire Retardant and
will have a minimum flame spread rating of 25 for Class
I and 30 for Class II, when tested, according to ASTM
E84 tunnel test, and is considered “self-extinguishing
” when tested by ASTM D-635.
2.2 The grating will be one piece construction, in a panel
using the molded process, and continuous glass fibers
& encapsulated with thermo setting resin containing
a UV inhabitor for maximum ultra violet protection in
exterior applications.
Bar
width - ( refer to “ Specification Chart ”
) ______”
Open area - ( refer to “ Specification Chart”
) ______”
Grating
shall be suitable for a concentrated load of ______lbs/ft²
with a 1% deflection when supported on ______centers.
( See deflection data in Dragon Grating’s brochure
to establish standards. Designer to complete based on
desired comfort levels - maximum should be 0.5”
or 1% of span, whichever is attained first. )
2.3 Standard panel sizes are 3’ x 10’, 4’
x 12’ and 5’ x 10’ as required. Other
sizes available upon requests.
2.4 Molded grating will be standard concave surface, or
optional silica grit-top surface. Nominal thickness of
the grit shall be 3/16”.
2.5
Standard colors are:
VEX : Vinyl ester Chemical Proof Fire Retardant Plus
- Dark Gray
VE : Vinyl ester Chemical Proof Fire Retardant - Dark
Gray
IS : Isophthalic Industrial Grade Fire Retardant - Dark
Green
ISF : Isophthalic Food Grade Fire Retardant - Yellow
OR : Orthophthalic Architectural Grade Fire Retardant
- Light Gray
ORN : Orthophthalic Architectural Grade Non Fire Retardant
- Green
( Other colors available upon requests )
2.6
All panels will fastened to support members with hold
down attachments fabricated from stainless steel. Designer
to choose :
M-clips
- hold down clip
L -clips - hold down clip
C -clips - panel joining clip
2.7
All cut edges to be sealed with resin of the same grade
as specified in Section 2.1.1.
