ASTM C Standard Specification for Latex Sealants. ASTM C This standard covers latex sealants used for sealing joints in building construction. The following are tests done within this standard: extrudability. Meets ASTM-C 40 Year Durability. Product Description: Paintable. SIITex 40 Siliconized Acrylic Latex Caulk is a white caulking. Mildew Resistant compound.
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The physical properties of the sealant shall conform to the specified requirements according to type and grade. Unauthorized reproduction of any information on this site is a violation of existing copyright laws.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Historical Version s – view previous versions of standard. Typically, the higher the cost, the greater the performance you can expect. Answering these questions before you begin will help you select the best sealant for the job: Does the sealant need to be paintable or must it match the substrate? Sealants, Caulks, Caulking Guns Selecting a sealant requires an understanding of the joint: Applying sealants to gaps and joints in construction projects takes more than a strong wrist and a steady hand.
Successful gap-filling starts with selecting the right sealant for the job and continues with proper surface preparation and application. Is this an above — or below-ground application? Choices must be made after considering the amount of expansion and contraction the joint will experience at the extreme temperature ranges of the area. Test methods relate to special standard substrates of glass, wood and aluminum.
It is essential, therefore, that the type and grade be specified for proper description of a sealant. Answering these questions before you begin will help you select the best sealant for the job:.
Other articles in this issue: Select the proper sealant Painters can err by selecting the wrong type of sealant or expecting too much from it. The following are the type and grade of sealant under v834 specification: They receive different ratings based on their ability to move, flex and return to their original configuration. Sealant selection is very much performance-based.
They tend to be more expensive than other types of sealants. They shrink little while curing and can withstand traffic once cured.
Their jelly-like consistency makes them hard to tool for a nice finish, but they cure quickly and will cure at below-freezing temperatures.
ASTM C – 17 Standard Specification for Latex Sealants
It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Is it an inside or outside application? X834 a sealant requires an understanding of the joint: The inch-pound in parenthesis are provided for information purposes only. They maintain their properties over a wide temperature range.
While these reactive- or chemical-curing compounds are difficult to gun and tool and require solvent cleanup, they have excellent flexibility and have good ast excellent durability. Like any family, each has strong points, weak points and idiosyncrasies that can make it a very good — or very poor — match for the job at hand. They are easy to gun and asttm they are water-based, they clean up easily.
The sealant shall be composed of latex formulated with appropriate fillers, pigments, and chemical additives. This abstract is a brief summary of the referenced standard. Sealants used ast commercial construction may be specified by the owner, architect or engineer; however, the contractor often has final say on brand and type.
Sealants are tested to federal specifications or standards set by ASTM. How much joint movement is required? PaintPRO Archives pg 1 of 2. Currently, there is no ISO standard similar to this specification. It should be recognized by the user that not all sealants meeting this specification are suitable for all applications and all substrates. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
What is the substrate? Link to Active This link will always route to the current Active version of the standard. This specification covers latex sealants used for sealing joints in building construction. Sealant types Generally, caulks and sealants are members of one of the following types of chemical families.