2.01 METAL LATH A. Metal Lath and Accessories: As specified in Section 09206. Use metal lath as plaster base at _________. B. Beads, Screeds, and Joint Accessories: As specified in Section 09206. 2.02 PLASTER MIXES A. Over Solid Bases: Two-coat application, mixed and proportioned in accordance with manufacturer's instructions. B. Over Solid Bases: Two-coat application, mixed and proportioned in accordance with ASTM C 926. C. Over Solid Bases: Two-coat application, mixed and proportioned in accordance with PCA Plaster Manual. D. Over Metal Lath: Three-coat application, mixed and proportioned in accordance with manufacturer's instructions. E. Over Metal Lath: Three-coat application, mixed and proportioned in accordance with ASTM C 926. F. Over Metal Lath: Three-coat application, mixed and proportioned in accordance with PCA Plaster Manual. G. Premixed Plaster Materials: Mix in accordance with manufacturer's instructions. H. First Coat over _______________: 1. One part portland cement. 2. Minimum 0 and maximum 3/4 part hydrated lime. 3. Minimum 1 and maximum 2 parts masonry cement. 4. One part plastic cement. 5. Minimum 2-1/2 and maximum 4 parts aggregate, per sum of cementitious materials. 6. Reinforcement at 1-1/2 lbs (0.7 kg) per sack of cement. I. First Coat over _______________: 1. One part portland cement. 2. Minimum 3/4 and maximum 1-1/2 part hydrated lime. 3. Minimum 2-1/2 and maximum 4 parts aggregate, per sum of cementitious materials. 4. Reinforcement at 1-1/2 lbs (0.7 kg) per sack of cement. J. Second Coat: Same as first coat, except minimum 3 parts and maximum 5 parts aggregate. K. Finish Coat: 1. One part portland cement. 2. Minimum 3/4 and maximum 1-1/2 parts lime. 3. One part masonry cement. 4. 3 parts sand, per sum of cementitious materials. 5. Minimum ____ percent and maximum ____ percent pigment. 6. Finish aggregate: ____ lb per square foot (____ kg per square meter). L. Mix only as much plaster as can be used prior to initial set. M. Add color pigments to finish coat in accordance with manufacturer's instructions. N. Mix materials dry, to uniform color and consistency, before adding water. O. Add air entrainment admixtures to all coats to provide 5-7 percent entrainment.
