Metal Sales Pro-Loc II Manual - Manual (Page 10)

PPL-10
PRO-LOC I,II
© Metal Sales Manufacturing Corporation/ Subject to change without notice/ Effective Date 9/11
800.406.7387 (Corporate Office) • www.metalsales.us.com
d
esign
/ i
nsTallaTion
C
onsideraTions
(
ConT
)
PANEL APPLICATIONS
Proper design and installation of vapor barriers and ventilation systems are important to prevent condensation and the resulting
problems of moisture damage and loss of insulation efficiency.
Condensation occurs when moisture laden air comes in contact with a surface temperature equal to or below the dew point
of the air. This phenomenon creates problems that are not unique with metal roofing; these problems are common to all types
of construction.
The underside of the metal roof on a typical Architectural building should be protected from condensation by installing
panels directly over a minimum 30 lb moisture barrier and uniform solid substrate. This reduces airspace and the potential of
condensation forming on the underside of the panels.
VENTILATION
Typical metal building (no attic)
Vent
Vent at wall
Vent at eave
Building with attic or retrofitted
Vent
Insulation
The following chart highlights UL 580 Class 90 for clip installation on the selected applications (see Fastener Selection Guide
pages PGI-12-14 for other fasteners available). For more information on UL Construction numbers, refer to UL Roofing Materials
and Systems Directories.
* Length of Dekfast will vary depending on the total thickness of the rigid insulation and metal decking (see PGI-12-14).
** Based on UL-580. Subject to project loading, closer clip (fastener) spacing may be required. Contact your local Metal
Sales branch representative for more information (see pages PGI-2-3).
BEARING PLATE
1 FASTENER
1 FASTENER
1 FASTENER
#10-12 x 1" PANCAKE WOODSCREW
#10-12 x 1" PANCAKE WOODSCREW
#10-12 x 1" PANCAKE WOODSCREW 1 FASTENER
NUMBER
REQUIRED
TYPE OF FASTENER APPLICATION
INSTALLATION
REQUIREMENTS
**CLIP
SPACING
1'-6" O.C.
1'-6" O.C.
1'-6" O.C.
#10-12 x 1" PANCAKE WOODSCREW 1'-6" O.C.
CLIPS OVER
5 /
8
" WOOD DECK
CONST. #393
CLIPS OVER
5 /
8
" WOOD DECK
CONST. #394 UL-90
UL-90
UL-90
UL-90
PANEL TYPE
PRO-LOC I
PRO-LOC II