EIFS Sealant

EIFS Sealant

A low modulus EIFS Sealant is used as a weather sealant in order to seal EIFS joints. This sealant is used in order to have the best paintability where painting is required. A durable watertight, flexible seal will form and the adhesion to EIFS and other porous surfaces is reflected in an outstanding curb appeal for your building. Dryvit or any premium primer will be acceptable in order to ensure proper adhesion to EIFS and other porous surfaces such as masonry surfaces.  EIFS is recommended for use on new and remedial construction as a weather seal.  Sealant may be used for restoration as well as repairs.  It can be easily painted over with great results using an EIFS product paint.  Dryvit offers a sealant that at 50% compression at 70 degrees c (158 degrees f) on limestone, brick, concrete as well as concrete showed no stains after 14 days.  Your EIFS surface must be free of any foreign substances such as water, frost, grease or oil and including old sealant, dirt and efflorescence   A base coat of EIFS primer should be used.  In order to have a warranty for your EIFS sealant from Dryvit a field adhesion test shall be utilized by the contractor in order to verify the adhesion characteristics as well as the compatibility with the specific materials you are using as an EIFS sealant.  You may follow Dryvit’s Field Adhesion Test Procedure with the results being submitted to Dryvit’s Warranty Department.You may apply the EIFS primer full strength with a brush or a roller.  Applying a thin coat that is uniform and no more than 1 mil when wet.  You do not want to over apply the EIFS sealant although some very porous surfaces may require a second coat.  The EIFS primer must be dry before applying the EIFS seakabt.  It should take the primer about 15-30 minutes.  You must do the priming and sealing on the same day. If the EIFS sealant is not applied on the same day you would have to reprime.  Metal and such non-porous surfaces must be clean and rust free.  You may use a solvent to clean it with which is available at EIFS sealant / building supply houses.

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EIFS Sealant