What is the In-Process & Post Application Clean Up After Applying Sealants in Restoration Construction?


In previous blog posts we have discussed the many facets of sealants and sealant application. From the surface preparation requirements of sealant application, to how to identify causes of sealant failure, and even what to look out for when painting over sealants. Today, our second blog post of June 2022 will focus on the in-process and/or post application clean up after applying sealants in a restoration project.

Just like any other process implemented during sealant application, in process and post application clean up are extremely important to ensure an effective and weathertight seal. Below are suggestions we make for cleaner tools and surface areas.

  1. Adjacent Substrates
    1. Uncured sealant must not come into contact with surfaces adjacent to the sealant joint. If uncured sealants are introduced to prohibited areas, the sealants should be removed as follows:
      • Non-Porous Substrates: Immediately remove all excess uncured sealant by using xylene, toluene, methyl-ethel ketone, or isopropyl alcohol. Ensure all cleaning agents are compatible with installed substrates or other building façade materials.
      • Porous Substrates: Allow sealant to develop initial cure, then remove by abrasion or other mechanical means. Exercise extreme caution in order to maintain an undamaged original sealant surface texture. Compatible solvents, cleaners, and poultices may be utilized to remove any remaining residue.
  2. Tools and Equipment
    1. Tools and equipment may be cleaned with solvents such as xylene, toluene, methyl-ethel ketone, or isopropyl alcohol while sealant is uncured.

 

Note: Maintaining clean application tools and work areas will result in higher quality sealant applications.

Provided that the afore-mentioned sealant removal and installation procedures are followed from the Sealants Application Guide, the remedial sealant installation will maintain a watertight weather seal for the full-service life of the installed joint sealant.

For more information about our sealants, sealant applications, or questions regarding this blog post, we recommend contacting our Technical Service Department. They can be reached by email at techservices@pecora.com or by phone at (800) 523-6688.

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