Stucco and Rendering mixes

The terms 'Render' and 'Stucco' are almost interchangeable; Render generally being UK terminology and Stucco, American. However, the mixes below are specific as they are slightly different, Stucco generally having less sand.

Various stucco mixes:

	hydrated lime	sand	cement	hair or fibre
Traditional Simple Soft Lime Stucco	1 part	2 part

Soft Lime Stucco with fibre (3 layer)
Base Layers (2)	1 part	3 parts		6 pounds per cubic yards
Finish Layer	1 part	3 parts
Note: Portland cement is not included in this mix; however, its use will increase the workability of the mix and decrease the setting time, the amount of Portland cement added should not exceed 1/3rd part .

Soft stucco	5 part	10 part	1/8th part

Traditional Natural Cement/Lime stucco	1 part	3 parts	2 parts Natural cement

Portland Cement stucco	2-3%	3 parts	1 parts Portland

Various rendering mixes:

	hydrated lime	sand	cement
Cement/Lime Render	not more than 15% of the cement's volume	5 parts	2 part Portland
The same basic mix was used for all layers, but the final layer should contain more lime than the underlayers.

Cement Render		5 parts	1 part Portland

stucco mixes - rendering mixes