ASTM C834 PDF

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 – 17 Standard Specification for Latex Sealants

New silicone may not stick to asym silicone, so proper surface preparation is the key to successful sealant repairs where silicones have been used. This abstract is aztm brief summary of the referenced standard. Silicones are also reactive-curing compounds, but they offer easy gunning ability. Many are available in colors to match substrate, eliminating the need for painting.

They are easy to gun and because they are water-based, they clean up easily. What is the ambient and surface temperature at the time of application?

What is the substrate? They shrink little while curing and can withstand traffic once cured. Every manufacturer of quality products tests their products and labels the caulk tubes accordingly.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Some cc834 be applied to a primed surface, but in general they adhere well to a variety of surfaces. Even if the surface degrades with heavy traffic, the compound will still maintain an effective seal. They are low in cost and come in a wide range of performance grades.

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Link to Active This link will always route to the current Active version of the standard. Norman Efros Manufacturer Profile: Test methods relate to special standard substrates of glass, wood and aluminum. Applying sealants to gaps and joints in construction projects takes more than a strong wrist and a steady hand.

They tend to be more expensive than other types of sealants. It should be recognized by the user that not all sealants meeting this specification are suitable for all applications and all substrates. Awtm cured, they are aztm flexible, extremely durable and resist ultraviolet light degradation. Is this an above — or below-ground application? 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.

Select the proper sealant Painters can err by selecting the wrong type of sealant or expecting too much from it. Selecting a sealant requires an understanding of the joint: 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. Sealants, Caulks, Caulking Guns Selecting a sealant requires an understanding of the joint: Their jelly-like consistency makes them hard to tool for a nice finish, but they cure quickly and will cure at below-freezing temperatures.

Answering these questions before you begin will help you select the best sealant for the job: These are the most common in the paint industry and come in a variety of formulations that affect cost, durability and adhesion. Urethane hybrid blended acrylics are at the high end of the acrylic family in cost and performance and can often be used in a variety of applications where a silicone or polyurethane sealant may be used.

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Sealant selection is very much performance-based. Successful gap-filling starts with selecting the right sealant for the job and continues with proper surface preparation and application. If tests are required using substrates in addition to or other than standard, they should be so specified for testing.

This specification covers latex sealants used for sealing joints in building construction. Historical Version s – view previous versions of standard. Typically, the higher the cost, the greater the performance you can expect.

All purpose sealant with average flexibility and adhesion Sealant selection is very much performance-based.

Product Specifications

Sealant types Generally, caulks and sealants are members of one of the following types of chemical families. Answering these questions before you begin will help you select the best satm for the job:. The awtm properties of the sealant shall conform to the specified requirements according to type and grade.

While these reactive- or chemical-curing compounds are difficult to gun and tool and require solvent cleanup, they have excellent flexibility and have good to excellent durability.