Oldcastle-buildingenvelope 3000 Series Thermal MultiPlane User Manual download pdf (Page 47)

The example below sho ws installation of the center

set system, options for front or back set are also

available. Please reference price catalog for specific

extrusions and anchors required for your installa-

tion. Please note the locations of various seals and

insure proper locations of these seals when install-

ing typical runs and expansion sections of each of

these systems. These seals are sho w n in the sub-sill

installation and assembly sections of this manual.

The sub-sills for these products are designed so

that sill anchors may be properly sealed prior to

frame installation. The frame is either installed over

the hook-in anchors or dropped into the sill receptor.

This prevents any additional fasteners from

penetrating the sill and potentially causing leaks

from under the sill. Be sure to properly cap seal all

sill anchors prior to beginning installation of

frames.

Multiple units may require the use of an expansion

mullion if total run exceeds 24 feet in length. When

elevation exceeds the 24 foot limit, locate expan-

sion mullions at a distance of no more than every

20 feet. Locate splice in sub-sill at a distance of no

more than every 12 feet. A minimum of 7/16" clear-

ance betw een the jamb and sill end dam must be

provided at each end of units when using expansion

mullions. This will allow the minimum 3/8" clearance

to move the units side ways so that the second unit

may be rotated into position and interlocked into

first unit. Once in position units should be centered

into opening to provide equal joints at the jambs.

OBE recommends the use of the FG-2188 PVC

filler in the jambs and head to improve the perim-

eter seal.

EXPANSION MULLION

INSTALLATION







S E R I E S 3 0 0 0 T H E R M A L M U L T I P L A N E I N S T A L L A T I O N M A N U A L

7/16"

1/4"

1/16"

3/8"

1/4"

2 1/4"

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 53 54 55

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Oldcastle-buildingenvelope 3000 Series Thermal MultiPlane User Manual Page 47

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