#9400 ETERNA-SIL PREMIUM SILICONE MASTIC
#9400 Eterna-Sil Premium Silicone Mastic is a professional grade high performing seam sealer and repair mastic for protection of seams, penetrations, and fasteners on various architectural surfaces and roofing substrates. Upon cure, #9400 forms a durable, breathable and water-resistant barrier that is resistant to degradation from UV and natural weathering.
Application rates will vary by surface, porosity, and job conditions.
Available Standard Colors
Color swatches are representative. Actual coating sample provided for approval. Custom colors available upon request with a 600 gallon minimum.