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Joint Treatment Systems

Georgia-Pacific Gypsum has a full line of joint systems - from pre-mixed compounds to dry powder products for both hand tool and mechanical applications. Standard ready-to-use, all-purpose compound offers excellent coverage, easy sanding, resistance to cracking, low shrinkage and smooth workability.

Where to Buy

Product	Package	Coverage	Standards
ToughRock® All-Purpose Dry Mix Compound Use for bedding tape, finishing joints, filling corner bead, spotting, skim coating and texturing.	• 25-lb. (11 kg) bags	• 25-lbs. (11 kg) per 400ft² (37 m²) for joints • 15-50 lbs. (7-23 kg) per 1,000ft² (93 m²) for texturing	C 475
ToughRock® Setting Compounds Use for all bedding and topcoats. Allows complete taping and finishing in one day. Recommended for cold weather and slow drying conditions. Hardens by setting, not drying. Available in 45- and 90-minute. Ideal products for patch and repair jobs.	• 33-lb. (15 kg bags)	• 1,800ft² (167 m²) per 33-lb. (15 kg) bag	C 475
ToughRock® Sandable Setting Compounds Same use as ToughRock® Setting Compounds. Applies and sands easier, shrinks less than ToughRock Setting Compounds. Available in 20- , 45- and 90-minute. Ideal products for patch and repair jobs.	• 18-lb. ( 8 kg) bags • 24-lb. (11 kg) bags	• 1,000ft² (93 m²) per 18-lb. (8 kg) bag • 1,300ft² (121 m²) per 24-lb. (11 kg) bag	C 475
ToughRock® Ready-Mix All-Purpose Joint Compound Premixed, ready to use for bedding tape, finishing joints and skim coating and texturing.	• 12-lb. (5.5 kg) pails • 61.7-lb. (28 kg) pails • 48-lb. (22 kg) cartons • 20 kg (44-lb.) pails • 27 kg (59.5-lb.) pails	• 61.7 lbs. (28 kg) per 500ft² (46 m²)	C 475
ToughRock® Lightweight Joint Compound Premixed, ready to use for finishing joints and cornerbead. Shrinks less and is easier to sand than All Purpose.	• 4.5-gallon (17 L) cartons and pails • 1-gallon pails (4 L)	• 4.5 gallons (17 L) per 500ft² (46 m²)	C 475
ToughRock® Semi-Light Joint Compound Premixed, ready to use for bedding tape, finishing joints, cornerbead and skim coating	• 3.5-gallon (13 L) cartons and pails • 4.5-gallon (17 L) cartons and pails • 51-lb. (23 kg) cartons	• 4.5 gallons (17 L) per 500ft² (46 m²)	C 475
ToughRock® Ready-Mix Topping Compound Premixed and ready to use. Finish applications only. Very white in color, easy to sand.	• 61.7-lb. (28 kg) pails • 48-lb. (22 kg) cartons	• 40-lbs. per 500ft² (46 m²)	C 475
ToughRock™ Tape Special 2-1/16" (52.4 mm) wide paper tape. Reinforces gypsum joints. Precreased for ease of application.	• 75-ft. (22.86 mm) rolls • 250-ft. (76.2 mm) rolls • 500-ft. (154.4 m) rolls	• 400ft. (122 m) per 1,000² (93 m²) of gypsum board	C 475

Q:

Can I use joint compounds produced by other gypsum companies on Georgia-Pacific gypsum board?

A:

Yes. Joint compounds produced by other companies can be used with good results on Georgia-Pacific gypsum board provided these compounds meet or exceed ASTM C 475 product standards. However, do not mix compounds produced by different companies. Use the same brand of compound for all coats. Otherwise, there may be a reaction between the proprietary ingredients of each brand.

Q:

I’m using one month old Ready-Mix joint compound. It’s trapping air bubbles. What should I do?

A:

The joint compound should be mixed thoroughly before each use. If the joint compound pail was not closed properly after the previous use, a small amount of water should be added prior to mixing. Always use clean mud pans, taping knives and other tools.

Q:

My dog ate joint compound. What should I do?

A:

While this may appear to be a funny question, it deserves a serious and professional answer. Even though our joint compound is non-toxic, take the pet to a veterinarian. You or the vet can call our Environmental Safety department at 404-652-5119 for information. Information about safety and first aid measures is also available in the Material Safety Data Sheet (PDF 135KB/7pgs) for All-purpose Ready-Mix joint compounds.

Q:

What are other uses of joint compound?

A:

In addition to finishing joints, joint compounds are used to skim coat or texture gypsum board surfaces. Water or latex based paint can be added to joint compound to texture the board surface. Refer to The Wallworks Guide (PDF:1.7MB/8pgs). Joint compounds also are used as an adhesive to laminate gypsum board to gypsum board or interior concrete masonry wall surfaces.

Q:

What is 90 compound and where is it used?

A:

There are two different types of joint compounds; drying and setting types. Drying type compounds are composed of limestone and binder. These compounds must dry out completely before the binder becomes effective. Setting compounds work well with fiberglass mesh tape. ToughRock® 90, the Georgia-Pacific Gypsum brand of setting compound, is recommended for skim coating DensShield® Tile Backer and DensGlass® Sheathing (see literature for application recommendations).

Q:

What should I do if Ready-Mix joint compound freezes?

A:

First, do not allow Ready-Mix joint compound to freeze. However, in the event that the compound does freeze, it should be allowed to thaw completely. Do not force the thawing cycle with heaters, heat guns, etc. Simply place the bucket in a warmer environment. Once thawed, it should be mixed thoroughly. Then try it out on a small area to test its working characteristics. Multiple freeze and thaw cycles will have a negative impact on workability and may cause the compound to form small lumps. In this case, it should be discarded.

Earn AIA/CES Learning Units Online

Georgia-Pacific Gypsum now offers online AIA/CES Registered Programs worth one Health, Safety, Welfare Learning Unit each for AIA architects that successfully complete them.

Course descriptions and sign-up information

Program sponsor:
Georgia-Pacific Gypsum LLC

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