210.100-IOM (JUL 2021)
Page 19
AcuAir Hygienic Air Units
Installation
Figure 14: Outdoor split roof sealant procedure - AcuAir performance series only
ACU-SHIELD ROOF COATING *
* Provided with ship loose items in fan section (see table in Section, "Receiving & Inspection").
CAULKING (PROVIDED)
ROOF
HOUSING SPLIT
3" MIN
Sealing the AcuAir Performance
Series roof
1. Ensure to bolt and seal the mechanical joint between
sections with polyurethane caulking.
2. You can apply Acu-Shield roof coating after the poly-
urethane caulking is dry and when the surface tem-
perature is between 45°F and 108°F. Below 45°F, extra
steps are necessary to keep the polyurethane caulking,
Acu-Shield, and metal reconnect surfaces heated for
correct application during installation. Contact Product
Service for further direction.
Note:
• Do not apply when inclement weather is imminent
within a 24 hr period.
• Do not apply to wet, ice, or snow covered surfaces.
3. Before applying, clean surface with wire brush or sol-
vent wipe (not provided).
4. Apply Acu-Shield roof coating with 3 in. wide roller or
3 in. wide paintbrush (not provided).
5. One quart applied at 45 ml is equal to a 3 in. wide x 33
ft long section.
6. Cure time varies with temperature and humidity. Under
normal conditions, a rubber coating can be expected
within a 24 hr period.
3 IN. MIN