Copyright © Glencoe/McGraw-Hill Carpentry & Building Construction Taping and Finishing Drywall

Copyright © Glencoe/McGraw-HillCarpentry & Building ConstructionTaping and Finishing Drywall

Taping and Finishing Drywall


The viewer is expressly advised to consider and use all safety precautions described in this presentation or that might also be indicated by undertaking the activities described herein. In addition, common sense should be exercised to help avoid all potential hazards.

Publisher assumes no responsibility for the activities of the viewer or for the subject matter experts who prepared this presentation. Publisher makes no representation or warranties of any kind, including but not limited to, the warranties of fitness for particular purpose or merchantability, nor for any implied warranties related thereto, or otherwise. Publisher will not be liable for damages of any type, including any consequential, special or exemplary damages resulting, in whole or in part, from viewer's use or reliance upon the information, instructions, warnings or other matter contained in this presentation.

Safety Notice


Taping and Finishing Drywall

Observe safety rules.Make sure tools and equipment are

available. Check materials.Follow the steps described here.


Safety

Wear safety goggles at all times.Follow all safety rules for using

hand tools.Wear a respirator when cutting

or sanding drywall.


Tools and Equipment

Metal or plastic drywall pan Taping knives in various sizes Utility knife Sanding blocks or screen (120 and

150 grit) Corner clincher


Materials

Drywall tape Drywall joint compound (setting

type) Corner beads Nails or screws


Procedure

The steps that follow describe how to tape and finish drywall.


Step 1

a. Remove any broken pieces and fill damaged areas or gaps more than 1/4" wide in the drywall with joint compound.


Step 1

Joint compound dries rock hard, doesn’t shrink, and is very hard to sand.

Joint compound dries rock hard, doesn’t shrink, and is very hard to sand.

b. Smooth the compound flush with the face of the drywall.


Step 2

a. With a 4" or 6" knife, fill fastener holes.

The compound should just fill the dimple created by the hammer or screw gun.

The compound should just fill the dimple created by the hammer or screw gun.


Step 2

b. Let the first coat dry.c. Knock off

any burrs or high spots.

d. Apply a second coat over a little wider area.

e. Let it dry and scrape it smooth.


Step 2

f. Apply a third coat, feathering the edges with the knife.

g. Let it dry and lightly sand it smooth.


Step 3

Tape the butt joints first. Plan for the compound to be feathered out for 16" to 18" with a thickness of 1/8" in the middle.


Step 4

With a 4" or 6" knife, fill the butt joints with compound.a. Lay the tape in

the wet compound starting in the center of one joint and going to the center of the next joint.

b. Press the tape in with the knife.


Step 4

c. Let the first coat dry.d. Knock off any burrs

or high spots.e. Apply a second coat

with a 10" to 12" knife.

f. Let it dry and scrape it smooth.


Step 4

g. Apply a third coat and feather the edges out with the knife or a 12" trowel.

h. Let it dry and lightly sand it smooth.


Step 5

a. Follow the same steps for tapered joints that you used for butt joints.

b. Be sure to cover the ends of the tape used in the butt joints.


Step 6

a. To tape an inside corner on sidewalls or ceilings, begin by folding the paper tape in half lengthwise.


Step 6

b. Spread a 4" wide bed of compound on each side of the corner.

c. Press the tape into the compound and smooth it out with a knife.


Step 6

d. Keep pressure on the side of the knife away from the corner to feather the compound.

e. Apply three coats.


Step 7

a. Attach a metal corner bead to the outside corners.

b. Use a clincher to set the corners.


Step 7

c. Apply a generous layer of joint compound over the metal bead.

d. Place one edge of the knife on the bead and draw the knife down the length of the bead to smooth the compound.

e. Apply additional coats and sand the final coat smooth.


Step 8

a. Use 120-grit and 150-grit sandpaper or sanding screen to sand the drywall.

b. Lightly sand the joints and the fastener holes.


Step 8

c. Use an extension and a swivel pad for the ceiling joints.

d. Run your hand over the surface to search for imperfections.

Be careful not to sand away the compound. If this happens, mark the area with a pencil and reapply a coat of compound.

Be careful not to sand away the compound. If this happens, mark the area with a pencil and reapply a coat of compound.

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Copyright © Glencoe/McGraw-Hill Carpentry & Building Construction Taping and Finishing Drywall