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GacoFlex Primer Chart
For Application Instructions and Coverage, see Product Data Sheets. You can also download this chart as a PDF.
| SUBSTRATE | A-30/A-31 A-32/A-38 |
GacoFoam |
LM-60 H/V |
N-1207 |
S-10/S-20 |
U-6006 |
U-62 |
UB-64/U-66 U-64 |
U-87 |
| PLYWOOD | ----- |
----- |
----- |
----- |
----- |
----- |
(3) |
-----
| -----
|
| PLYWOOD OVERLAY | E-5320 |
----- |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
----- |
E-5320 |
E-5320 |
| *STEEL | E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
| *STEEL, GALVANIZED | E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
| *STEEL, STAINLESS | E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
| *ALUMINUM | E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
E-5320/88 U-5677 |
| COPPER & COPPER ALLOYS | E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
E-5320 U-5677 |
| LEAD | E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
| POLYESTER/FIBERGLASS | E-5320 |
------ |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
E-5320 |
| GLASS | N/R |
------ |
N/R |
E-5320 |
E-5320 |
E-5320 |
------ |
E-5320 |
E-5320 |
| CONCRETE | (1)E-5320 E-5481 |
------ |
E-5320 E-5481 |
------ |
(1)E-5320 E-5481 |
(1)E-5320 E-5481 |
E-5481 |
(1)E-5320 E-5481 |
(1)E-5320 E-5481 |
| CONCRETE BLOCK (CMU) | E-5320 E-5481 |
------ |
E-5320 E-5481 |
------ |
E-5320 E-5481 |
E-5320 E-5481 |
E-5481 |
E-5320 E-5481 |
E-5320 E-5481 |
| BRICK | E-5320 E-5481 |
------ |
E-5320 E-5481 |
------ |
E-5320 E-5481 |
E-5320 E-5481 |
E-5481 |
E-5320 E-5481 |
E-5320 E-5481 |
| SPRAY FOAM | ------ |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
| BUILT-UP ROOFING | E-5320 |
------ |
N/R |
E-5320 |
E-5320 |
E-5320 |
------ |
E-5320 |
E-5320 |
| CURED U-66 | A-3211 |
------ |
N/R |
------ |
------ |
------ |
------ |
------ |
------ |
| AGED EPDM | N/R |
N/R |
N/R |
N/R |
------ |
N/R |
N/R |
N/R |
N/R |
Legend
- ------ = No Primer needed.
- N/R = Not recommended.
- * = Sanding and/or etching is recommended for better adhesion prior to primer application.
- Where two primers are listed, choose one as desired.
- (1) For roofs exposed to sunlight, use BOTH U5677 and E-5320.
- (2) E-5320 Primer is used if coating system is used in water immersion service.
- (3) Self prime with a thin film of 4 to 6 mils.
