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Mixed LimeStrong plaster ready for application
LimeStrong-finished wall in a furniture showroom Spraying on LimeStrong build prior to troweling LimeStrong Build over straw bale construction, Park City Utah

OUR SIMPLE FORMULATION of water + lime + pumice pozzolan not only out-performs modern plaster equivalents, it stands as an environmentally sound alternative to synthetic stucco and other Portland cement-based products.

big There are a lot of factors to consider when building a home or a place of business. Cost and long-term performance are two of the largest, and, for many, environmental impact also factors into the prime equation. So does ease of application. LimeStrong plaster is a wall-finishing product that delivers all of the above.


GREEN CRED: The topic of “building green” is truly evergreen—that’s because building green makes sense. Conserving resources and using sustainable materials makes sense. Designing a structure to save money on heating and cooling costs makes sense. Avoiding VOCs and other material-based problems affecting the livability of the finished building makes sense. And that's why a LimeStrong Build™ plaster finish, inside and out, makes sense.

ECONOMICAL WALL FINISH: In terms of both material and installation costs, LimeStrong is a cost-attractive choice. LimeStrong is simple to formulate and uses abundant and readily available materials (no Portland cement). A small installation crew can easily manage LimeStrong’s application-and-curing timetable. A variety of fascinating finish textures are possible. Colors are integral to the permanent finish wash; not painted on. A LimeStrong Build finish is compatible with standard building materials and with alternative options, such as straw bale construction.

EFFECTIVE PERFORMANCE: All of that matters only if the finish both protects and endures. We confidently tout LimeStrong’s performance characteristics—autogenous healing, flexibility, breathability, strength, durability—but the convincing proof comes from the evidence from centuries of use and on-wall performance. Applied, cured and protected correctly, a LimeStrong Build finish will last and last and last some more. Beautifully.


LimeStrong Build plaster is the result of a partnership between the world-renowned natural plaster expert, Stan Petersen, and Hess Pumice, the source of key components in the LimeStrong natural plaster formulation: pumice pozzolan and lightweight pumice aggregate. We took Stan’s go-to lime pozzolan plaster formulas and put them in a bag—effectively putting the strength, durability and beauty available to old-world masters in the capable hands of today’s plasterers.