ASTM C834 PDF

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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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Applying sealants to gaps and joints in construction projects takes more than a strong wrist and a steady hand. Sealant types Generally, caulks and sealants are members of one of the following types asrm chemical families.

It is essential, therefore, that the type and grade be specified for proper description of a sealant. It should be recognized by the user that not all sealants meeting this specification are suitable for all applications and all substrates.

Norman Efros Manufacturer Profile: Silicones are also reactive-curing compounds, but they offer easy gunning ability. Successful gap-filling starts with selecting the right sealant for the job and continues with proper surface preparation and application. These are the most common in the paint industry and come in a variety of formulations that affect cost, durability and adhesion.

Once cured, they are very flexible, extremely durable and resist ultraviolet light degradation. All acrylics are paintable, and no primer is needed before application.

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ASTM C – 05 Standard Specification for Latex Sealants

The inch-pound in parenthesis are provided for information purposes only. The following are the type and grade of sealant under this specification: What is the ambient and surface temperature at the time of application?

Answering these questions before you begin will help you select the best sealant for the job: This specification covers latex sealants used for sealing joints in building construction. Other articles in this issue: This standard does not purport to address all of the safety concerns, if any, associated with its use. The following tests shall be done: This abstract is a brief summary of the referenced standard. They are easy to gun and because they are water-based, they clean up easily.

Product Specifications

Sealant selection is very much performance-based. PaintPRO Archives pg 1 of 2. What is the substrate?

Unauthorized reproduction of any information on this site is a violation of existing copyright laws. They tend to be more expensive than other types of sealants.

Does the sealant need to be paintable or must it match the substrate? Their jelly-like consistency makes them hard to tool for a nice finish, but they cure quickly and will cure at below-freezing temperatures. Because they are hard to remove completely, especially on porous surfaces, repairs and future painting can be difficult. qstm

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Sealants used in commercial construction may be specified by the owner, architect or engineer; however, the contractor often has final say on brand and type. They are low in cost and come in a wide range of performance grades. Urethane hybrid blended acrylics are at the high end wstm 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.

Sealants, Caulks, Caulking Guns – PaintPRO

They receive different ratings based on their ability to move, flex and return to their original configuration. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Link to Active This link will always route to the current Active version of the standard. 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. Many are available in colors to match substrate, eliminating the need for painting. Test methods relate to special standard substrates of glass, wood and aluminum.