Installation Guide

Conventional Plaster Accessories*
* Metal products are not manufactured by National Gypsum Company.
DOUBLE V EXPANSION JOINT
Minimizes cracking in large plaster
areas. Also provides ground to
assure proper plaster or stucco
thickness.
DOUBLE V CORNER
EXPANSION JOINT
Similar in design to Double V
expansion joint but preformed to
fit corner angles. Galvanized steel
or zinc.
EXPANSION JOINT
Designed to relieve stresses in
large gypsum and portland cement
plaster areas. Material will expand
and contract to allow for 1/8"
to 5/8" opening. Incorporates a
weather resistant joint. Galvanized
steel or zinc.
EXPANDED FLANGE
SQUARE CASING
Has short, 90 degree return at plaster
surface, serving as a plastering stop.
EXPANDED CORNERBEAD
The 2-1/2" expanded flange ends
1/4" from the nose of the bead
providing reinforcement where
needed most.
BULL NOSE CORNERBEAD
Reinforces exterior corners where
rounded edges are required. Nose
3/4" radius. Galvanized steel.
WIDE FLANGE EXPANDED
CORNERBEAD
Has 3-3/16" expanded flanges
for use on masonry, beams and for
column fireproofing. Galvanized
steel.
L RUNNER
Perforated – Ceiling or floor
support for 2" solid lath
and plaster partition.
Plain – Ceiling support for 2"
solid wallboard partition using 1"
shaftliner.
COLD ROLLED STEEL
CHANNEL
Used as studs for attaching metal
lath in 2" solid partitions. For furring
or runners in suspended ceilings.
BEAM FURRING CLIP
Used to attach lath to flanges of
steel beams, joists and columns.
Tempered spring steel.
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