Stucco Frequently Asked Questions

Aesthetics

Q: Can I paint stucco to get the color I want?
Q: What is a fog coat?
Q: How do you create ornamental shapes on plaster surfaces?
Q: Can stucco, portland cement plaster, be cleaned, and if so, what methods should be used?
Q: What are common stucco finish textures? Is there anywhere to view them?

Assembly

Q: What is the proper spacing for contraction/expansion joints in portland cement plaster/stucco applications?
Q: Does the type of joint in plaster affect its spacing or location?
Q: In a stucco frame-wall assembly, what purpose does building paper serve?
Q: What is the correct thickness of stucco?
Q: Are there restrictions on plastering at lower temperatures?
Q: Is it necessary to use a bonding agent with stucco?
Q: Does stucco require curing, and if it does, how is this best accomplished?
Q: How is stucco applied over insulating concrete forms (ICFs)?
Q: Can stucco (portland cement plaster) be applied directly over painted brick?
Q: Plaster is placed in two or three layers, or “coats.” Are there guidelines or restrictions on placing each successive coat?
Q: What is the installed weight of portland cement plaster?

Materials

Q: Where can I buy stucco?
Q: Are plaster, stucco and EIFS the same?
Q: What are the correct proportions for stucco? Is there a difference between the coats?
Q: What type of cements can be used to make stucco?
Q: What are appropriate sheathing materials for plaster construction?

Performance

Q: How long does stucco last on a building?
Q: What kind of fire rating does plaster provide?
Q: Does stucco over concrete masonry provide good resistance to wind-driven rain?
Q: Is stucco suited for use in a coastal environment?
Q: Are there deflection limits for the structural backup for portland cement plaster?

 
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