This type of drywall mud is finer, and takes longer to dry, which allows beginners plenty of time to get it right. State or federal laws may provide rights in addition to this limited warranty that cannot be modified or excluded.If you are just learning to skim coat, use the Joint compound that is premixed in a box or bucket. All claims shall be submitted in writing to CertainTeed within thirty days from the date of discovery. These shall be the exclusive warranty and remedies provided by CertainTeed, including without limitation, the implied warranties or merchantability, fitness for use and fitness for a particular purpose. CertainTeed will not be responsible for any other costs or expenses. However, if this product proves to be defective, CertainTeed’s maximum liability shall be limited to replacement of the defective material only or refund of the original purchase price. (CertainTeed) will not be responsible for the failure of this product when not used and stored according to directions and specifications and accepted standards of procedure inherent in drywall application or when reasonable allowance is not made by the user for adverse weather and job conditions.
Since methods and conditions of application and storage, such as temperature, humidity and over thinning are beyond our control, CertainTeed Gypsum, Inc. Tools should be dried thoroughly to prevent rusting. Rapid Coat® All Purpose Joint Compound washes off easily with warm water. Overpaint when dry in accordance with the paint manufacturer's instructions. Rapid Coat® All Purpose Joint Compound can then be applied to the dry primer surface up to ¼ inch thick with a roller, sponge, brush, or trowel to create the desired effect. For best results, a good-quality gypsum-board primer should be applied, in accordance with the primer manufacturer's instructions, before texturing. Rapid Coat® All Purpose Joint Compound can also be used to texture walls and ceilings. For best results, a good-quality gypsum-board primer should be applied, in accordance with the primer manufacturer's instructions, before painting or wallpapering. Painting should not proceed until the joint compound is thoroughly dry (see GA-236). Skim coating is recommended for rooms with critical lighting conditions. A skim coat leaves a thin film of joint compound over the entire gypsum-board surface, fills imperfections, and eliminates texture differences between the gypsum board and the joint compound.
Rapid Coat® All Purpose Joint Compound can be used to skim coat gypsum-board walls. Wet sanding is recommended to avoid creating dust. Light sanding, after step three above, should be done after the application is thoroughly dry (120- to 150-grit sandpaper or mesh cloth is recommended). Sanding is not required between applications unless the work is rough. A second coat may be applied, if necessary, when the first coat is dry. Rapid Coat® All Purpose Joint Compound can be used to fill corner beads and nail/screw dimples. For mesh tape applications, use Rapid Joint® setting-type compounds. Note: Rapid Coat® All Purpose Joint Compound is not recommended for use with mesh tape. Allow the compound to dry thoroughly before sanding or painting. Apply a second coat to one side, allow it to dry, and apply another coat to the opposite side. Remove any excess material behind the tape and create a good bond with the gypsum board. Fold the joint tape along the center crease and press firmly into the center of the inside corner. Using a steel finishing knife (4 to 6 inches), generously apply Rapid Coat® All Purpose Joint Compound to both sides of the inside corner. Remove excess material by feathering the center and edges of the joint. Step three: Using a 10- to 12-inch steel finishing knife or trowel, applya thin coat of Rapid Coat® Fullweight joint compound over the step two application at a width adequate to fill any voids or shallow spots. Remove excess material by feathering the center and the edges of the joint. Step two: Using a 10- to 12-inch steel finishing knife or trowel, apply a fill coat of Rapid Coat® All Purpose Joint Compound over the embedded tape. Next, center and press the joint tape firmly into the compound, removing any excess material behind the tape and creating a good bond with the gypsum board.
Taping and Finishing Joints: Step one: Using a steel finishing knife (4 to 6 inches), generously apply Rapid Coat® All Purpose Joint Compound to the surface to be finished (tapered edge). Apply according to Gypsum Association publications GA-214 and GA-216.
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