Instructions / Assembly

6
2. PRE -ENGINEERED STEEL APPLICATIONS
2.3 Roof Application Method C
This application is suitable for 6” Z or C
purlins with 3.5” or 6” unfaced mass
insulation.
1. Measure working area where
Reective Air will be applied.
2. Apply the Reective Air to the
underside of the mass insulation,
attaching it to the top face of
the purlins.
3. Ensure that the white polyethylene side
of the Reective Air is facing the mass insulation.
4. Securely tape any exposed seams using reective tape.
5. Apply the steel roof deck using approved methods of installation.
2.4 Roof Application Method D
This application is suitable for 6” Z or C
purlins with 3.5” unfaced mass insulation.
1. Measure working area where
Reective Air will be applied.
2. Apply the Reective Air to the bottom
facing of the purlins, ensuring that it is
pulled tight.
3. Securely tape any exposed seams
using reective tape.
4. Apply the steel roof deck using approved methods of installation (if not already in place).
Reflective Air
POLY SIDE TO MASS
INSULATION
ROOF DECK
UNFACED MASS
INSULATION
C PURLIN
Z PURLIN
UNFACED MASS
INSULATION
ROOF DECK
AIR SPACE
FASTEN Reflective Air TO
BOTTOM OF PURLINS
C PURLIN
Z PURLIN
Reflective Air