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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ASTM C – 05 Standard Specification for Latex Sealants

The inch-pound in parenthesis are provided for information purposes only. C8834 is the substrate? Test methods relate to special standard substrates of glass, wood and aluminum.

PaintPRO Archives pg 1 of 2. If tests are required using substrates in addition to or other than standard, they should be so specified for testing.

Sealants are tested to federal specifications or standards set by ASTM. All purpose sealant with average flexibility and adhesion Sealant selection is very much performance-based. 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. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Silicones are also reactive-curing compounds, but they offer easy gunning ability. Typically, the higher the cost, the greater the performance you can expect. Many are available in colors to match substrate, eliminating the need for painting. The sealant shall be composed of latex formulated with appropriate fillers, pigments, and chemical additives. The physical properties of the sealant shall conform to the specified requirements according to type and grade. Like any family, each has strong points, weak points and idiosyncrasies that c8834 make it a very good — or very poor — match for the job at hand.


The following are the type and grade of sealant under this specification: They receive different ratings based on their ability to move, flex and axtm to their original configuration. Their jelly-like consistency makes them hard to tool for a nice finish, but aetm cure quickly and will cure at below-freezing temperatures.

This specification covers latex sealants used aastm sealing joints in building construction. Link to Active This link will always route to the current Active version of the standard.

Answering these questions before you begin will help you select the best sealant for the job: Because they are hard to remove completely, especially on porous surfaces, repairs and future painting can be difficult.

Sealants used in commercial construction may be specified adtm the owner, architect or engineer; however, the contractor often has final say on brand and type. Some must be applied to a primed surface, but in general they adhere well to a variety of surfaces.

Sealants, Caulks, Caulking Guns – PaintPRO

Answering these questions before you begin will help you select the best sealant for the job:. Historical Version s – view previous versions of standard.

Every manufacturer of quality products tests their products and labels the caulk tubes accordingly. Does the sealant need to be paintable or must it match the substrate? Other articles in this issue: While these reactive- or chemical-curing compounds are difficult to gun and tool and require solvent cleanup, they have excellent flexibility and asm good to excellent durability.


They are low in cost and come in a wide range of performance grades. Selecting a sealant requires an understanding of the joint: Unauthorized reproduction of any information on this site is a violation of existing copyright laws.

They are easy to gun and because they are water-based, they clean up easily. How much joint movement is required? They maintain their properties over a wide temperature range.

This standard does not purport to address all of the safety concerns, if any, associated with c843 use. It is essential, therefore, that the type and grade be specified for proper description of a sealant.

Product Specifications

Successful gap-filling starts with selecting the right sealant aetm the job and continues with proper surface preparation and application. Currently, there is no ISO standard similar to this specification. The following tests shall be done: 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.