EIFS Lightweight Base Coat has high-build formula.March 23, 2009 -
Available in 38 lb bags, Sto BTS Xtra is used as lightweight adhesive, base coat, and leveler in StoTherm® insulated wall claddings. This single-component, polymer-modified, cement-based dry powder material uses lightweight aggregate and will build to ¼ in. to help level CMU walls or 1/8 in. for StoQuik Silver systems. Freeze/thaw- and crack-resistant product has vapor permeable nature that lets substrate breathe naturally and provides complete cover of reinforcing mesh.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Sto Corp.
3800 Camp Creek Pkwy., Bldg. 1400, Suite 120
Atlanta, GA, 30331
USA
Sto BTS® Xtra: New EIFS Lightweight Base Coat
A high-build base coat that is easier to install in StoTherm for applicators
ATLANTA - (March 19, 2009) Sto Corp., the innovative world leader in cladding, coating, and restoration systems, has introduced Sto BTS Xtra, a one-component, polymer-modified, cement based dry powder material used as a lightweight adhesive, base coat and leveler in StoTherm® insulated wall claddings.
These claddings include StoTherm Classic NExT(TM) StoTherm® Lotusan® NExT, and StoQuik® Silver Cement Board Stucco claddings. It can also be used as a lightweight leveler or skim coat on concrete or masonry wall surfaces, including Autoclaved Aerated Concrete (AAC) and Insulated Concrete Forms (ICFs).
Sto BTS Xtra is a lightweight, high-build base coat and uses lightweight aggregate that will make it easier for contractors to install on the wall as well as moving the material around the jobsite. BTS Xtra will build to ¼" to help level CMU walls and builds to 1/8" for StoQuik Silver systems.
Why Sto BTS Xtra?
Lightweight -- Easier to carry, easier to spread, less worker strain than conventional base coat materials
Complete cover of reinforcing mesh -- Improves job site quality, no need to go back and re-skim walls, fewer call-backs
One-component -- Ready to use; easily mixed with water on the job site
Polymer-modified -- Excellent adhesion; increases durability and freeze/thaw resistance
High polymer/cement ratio -- Improved flexural strength; resists cracking
Creamy smooth consistency -- Trowels easily; increases job site productivity
Vapor permeable -- Allows substrate to breathe naturally; resists blisters caused by trapped vapor
High-build -- Labor savings; can be applied to 1/8" (3 mm) thickness in one application with standard reinforcing mesh, can be used to pre-level irregular wall surfaces, up to 1/4" prior to installation of reinforced base coat
Factory blended -- Assures performance mix ratio
Portland cement/Low cement ratio -- Less alkalinity, less free lime, less efflorescence
Bagged powder product -- Less solid waste than pails; freezing protection not required prior to use
"Lightweight is the key to Sto BTS Xtra" said Mike O'Neil, Sto Product Manager. "What used to come in a 50 or 60 lb bag is now only 38 lbs and it covers the same amount. It is efficient and can be an important part in labor savings on your next EIFS project.
The product bulletin, MSDS and LEED sheet are available on-line at stocorp.com. Sto BTS Xtra is used with many Sto systems including StoTherm Classic and StoTherm Classic NExT, StoTherm Lotusan and StoTherm Lotusan NExT, and StoQuik Silver systems. The StoTherm and StoQuik Silver specifications have also been updated to include Sto BTS Xtra.
Photography and video (animation) available. Contact Michael Sweeney at msweeney@stocorp.com or call 678-553-3278.
About Sto Corp.
Sto Corp., based in Atlanta, Georgia, is an innovative world leader and producer of a broad range of versatile cladding and coating systems for building construction, maintenance and restoration. Sto Corp. is ISO 9001 certified and operates production plants strategically located to serve more than 200 distributor shipping locations across North America. At research and development laboratories in the U.S. and Europe, Sto continues to revolutionize the industry with the highest quality products and application technology.
For more information, visit stocorp.com or call toll free (800) 221-2397 or (404 ) 346-0755.
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