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AT101
Primer for Silicone on porous Substrates

AT101 is a primer used to improve the adhesion of weathertight sealants to porous substrates.

Usage/Purpose

AT101 improves the adhesion of weathertight sealants onto various porous substrates. It is recommended that in order to ensure satisfactory adhesion, a test area is checked prior to proceeding with the complete application.

  • Improved adhesion
  • Maximises performance longevity
  • Works with most porous substrates

Usage Guidelines

  • Ensure substrate is clean dry and free from laitance.

Technical data

PropertyClassification 
ConsistencyLiquid
Drying Time30 minutes at 23°C & 50% RH
Application of Sealantin all cases, ensure the primer is dry before application of sealant
StorageStore in shaded dry conditions between +5°C and +25°C
Shelf Life18 months when stored as recommended in original unopened containers

FA870
Premium Natural Stone Silicone

FS500
Frame and Façade Silicone

Downloads
Primer consumption calculator

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