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DURO-GRIP INSTA-STIK PROFESSIONAL INSULATION ADHESIVE
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ROOF PENETRATIONS/DRAINS STEEL DECK APPLICATIONS WARRANTY
Additional adhesive is required With the edge of the insulation Duro-Last will warrant the adhesion
around all roof penetrations and board centered over an upper of INSTA-STIK to specified
drains. flange for normal application rate, compatible materials and
apply a 3/4" - 1" (19.05 - 25.4 mm) substrates for a period of fifteen
ROOF DECK APPLICATIONS bead of INSTA-STIK on the first full
Use a parapet wall or gutter as a upper flange nearest the edge of (15) years provided installation is in
accordance with Duro-Last specs.
straight edge guide when the insulation board. Continue to
dispensing the first bead of INSTA- apply 3/4“ - 1" (19.05 - 25.4 mm) TECHNICAL SERVICES
STIK. Under the normal application beads on upper flanges as Roofing Technical Support is
rate, place the first bead 3" (76.2 specified. See Table 2. Place the available from Duro-Last. Contact
mm) within the outside edge of the insulation board onto the beads Engineering Services for
insulation board to be attached. within 5 minutes and walk on the information.
Apply 3 additional parallel beads boards to spread the INSTA-STIK
approximately 12“ (304.8 mm) apart for maximum contact.
so that the fourth bead is 3" (76.2 Additional walkings are required
mm) within the opposite edge of the every 5-7 minutes until the
insulation board. The result is 4 insulation boards are firmly
equidistant parallel beads (16 lineal attached, usually 15 - 45 minutes.
feet (5 m) for each 4' (1.2 m) square
(4'×4' [1.2×1.2 m]) insulation board.

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APPLICATION RATE – BASED ON 3/4 – 1 INCH (19 – 25 MM) DIAMETER BEAD
Building Height Parapet Wall Height Perimeter Area Width
Spacing Between Beads
feet (m) inch (mm) feet (m)
Perimeter Area Field Area
inch (mm) o.c. inch (mm) o.c.
0 – 24 (0 – 610) 4 (1.3) 6 (152) 12 (305)
0 – 20 (6)
25+ (635+) 4 (1.3) 12 (305) 12 (305)
0 – 24 (0 – 610) 8 (2.4) 6 (152) 12 (305)
21 – 40 (6 – 12) 25 – 48 (635 – 1219) 4 (1.3) 6 (152) 12 (305)
49+ (1245+) 4 (1.3) 12 (305) 12 (305)
0 – 24 (0 – 610) 12 (3.7) 6 (152) 12 (305)
41 – 70 (13 – 21) 25 – 48 (635 – 1219) 8 (2.4) 6 (152) 12 (305)
49+ (1245+) 4 (1.3) 6 (152) 12 (305)
0 – 24 (0 – 610) 12 (3.7) 6 (152) 9 (228)
71 – 100 (22 – 31) 25 – 48 (635 – 1219) 12 (3.7) 6 (152) 12 (305)
49+ (1245+) 12 (3.7) 6 (152) 12 (305)
0 – 24 (0 – 610) 12 (3.7) 6 (152) 9 (228)
101 – 200 (31 – 61) 25 – 48 (635 – 1219) 12 (3.7) 6 (152) 9 (228)
49+ (1245+) 12 (3.7) 6 (152) 12 (305)
201 – 300 (61 – 91.5) Any Height 16 (4.9) 6 (152) 9 (228)
Greater than 300 (91.5) Any Height NA 6 (152) 6 (152)
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– Coverage is approximately 500 – 800 lineal feet at 3/4 – 1 inch (19.1 – 25.4 mm) bead of adhesive per 23 lb (10 kg) tank of INSTA-STIK
– Chemical temperature below 50 degrees F (10 degrees C) could result in reduced coverage rates
– Agitating the cylinder of INSTA-STIK for at least 15 seconds is required for proper yield and performance

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Created: 01/01/2009 Revised: 12/30/2015