Best practices for preparing concrete surfaces prior to repairs and overlays.
Concrete surface preparation standards.
Concrete surfaces are prepared prior to resurfacing concrete to look like plain concrete again or to be upgraded to a decorative finish.
Aci 503r use of epoxy compounds with concrete.
The guideline includes 10 concrete surface profiles ranging from csp 1 minimal roughness to csp 10 very rough with amplitude greater than 0 25 in.
Find additional information about concrete surface preparation in the standard sspc sp 13 nace 6.
Steps listed below must be accomplished prior to the placement of a bonded polymer system on concrete.
Decontamination of the concrete surface 4.
Astm d 4263 83 test method for indicating moisture in concrete by the plastic sheet method.
Knowing the standards are important for any abrasive blaster and is a necessity for certified blasters.
Sspc sp 13 nace no.
Concrete surface preparation standards a number of industry standards identify methods of surface preparation that can be used on cmu and other concrete surfaces e g floors poured walls pre cast.
Provides requirements for surface preparation of concrete by mechanical chemical or thermal methods prior to the application of bonded protective coating or lining systems.
Creation of surface profile 5.
Removal and replacement of non durable concrete 3.
This is an excellent peer reviewed analysis from the u s department of interior bureau of reclamation.
Astm d 4262 83 test method for ph for chemically cleaned or etched concrete surfaces.
Inspection of the concrete substrate 2.
The specifications contain detailed methods and practices for preparing surfaces.
Proper surface preparation proper surface preparation includes the following.
Astm d 4260 88 standard practice for acid etching.
This removal results in a surface profile roughness or amplitude that is generally the most visible condition following surface preparation.
This standard was originally prepared in 1997 by sspc nace joint task group tg f surface preparation of concrete it was reaffirmed in 2003 by sspc group committee c 2 surface preparation and nace specific technology group stg 04 coatings and linings protective surface preparation.
Shop surface preparation supplies and equipment.
Today polymers can be applied as thin as 1 8 or up to 3 4 thick and stamped producing a surface that looks just like a normal stamped concrete surface.
Standards codes of surface preparation for concrete repair.
You can also consult the international concrete repair institute s standard 310 2 r selecting and specifying concrete surface preparation for sealers coatings polymer overlays and concrete repair.
