Installation Instructions
CertainTeed
Installation Instructions
Drywall Corner
© 06-2016 CertainTeed Gypsum, Inc. Printed in Canada on recycled paper. CTG-4150
NO-COAT STICKS
When installing drywall for 90° corners, hang
Outside 90 as shown in Figure 1a.
When installing drywall for Bullnose corners,
hang as shown in Figure. 2a creating an
open area for the radius of the bead. Ensure
that drywall at the corners do not touch as
shown in Figure 2b.
Figure 1a Figure 1b
Figure 2a Figure 2b
Outside 90
Outside 90 and Bullnose L -Trim
Bullnose
1. Using the taping knife,
apply joint compound to
drywall, slightly beyond
where the edge of the
corner will be. Or use
hopper to fill bead.
1. Use the taping knife to apply
joint compound to drywall,
slightly beyond where the
L-Trim will be. Or use hopper
to fill bead.
1. Open NO-COAT box and feed
product through slot on side of
box. Insert hook of tape measure
into narrow slot to measure
length of NO-COAT needed.
Cut to length with scissors.
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NO-COAT FLEXIBLE CORNERS
2. With 4" – 6" taping knife, apply
All-Purpose or Taping drywall
compound to corner and
press NO-COAT into position.
3. Remove excess mud
with the same knife
and let dry.
4. Use a 6" – 8" finishing
knife to skim over
edges of corner; let dry.
5. Sand and finish.
2. Place L-Trim on wall.
Press into position
3. Use the roller to embed the
trim or embed with a knife,
using even pressure running
at a 45° angle. Use the taping
knife to skim over the L-Trim
edge with joint compound.
Let dry thoroughly.
4. Use the wider finishing
knife to skim over the
L-Trim edge again. Let
dry thoroughly. Lightly
sand and paint
4. Use the wider finishing
knife to skim over the
edge again. Let dry
thoroughly. Lightly sand
and paint.
2. Place corner trim on
wall, ensuring it is
aligned tightly to the
ceiling. Press into
position.
3. Use the roller to embed
the trim. Or embed using
even pressure, running
the knife over it at a 45°
angle. Use the taping knife
to skim over the edge with
joint compound. Let dry
thoroughly.