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DOWSIL 123 GRAY 12INX50FT

Item #: DOW123GR12.50  |  Mfr #: 323727
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DOWSIL 123 GRAY 12INX50FT

Dowsil 123 Gray 12" x 50' is a silicone extrusion that is bonded to substrates and can be used in both new and remedial construction applications.

This pre-formed, ultra-low modulus silicone extrusion that is bonded to substrates using Dowsil 791 Silicone Perimeter Sealant or Dowsil 795 Silicone Building Sealant. Dowsil 123 provides an economical alternative to cutting-out and re-caulking existing failed weatherproofing sealants.

Great for restoration joints on EIFS at both the EIFS-to-EIFS joints and windows perimeter joints, Aluminum splice in high-performance window and curtainwall applications, high-performance flexible flashing material ideal for maintenance crews, uniform-looking parapet or coping joint, Leak-free transition sea, and seal for leaking skylights.

Benefits Include:

  • Extremely low-modulus alternative to wet sealants
  • High-movement seal capable of +200/-75 percent joint movement
  • High-shear movement seal capable of handling specified live loads, wind sway and seismic movements in a properly designed joint
  • SWRI-validated performance
  • Available in custom designs to allow easier application and smoother transitions


Joint Size D x W Inches 1 Gallon 10.3 Fl. Ounce Tube 20.3 Fl. Ounce Sausage 2 Gallon 4.5 Gallon Pail
3/16 x 1/4 411 33 64 821 1848
3/16 x 3/8 272 22 43 548 1232
3/16 x 1/2 205 16 32 411 924
3/16 x 5/8 164 13 26 329 739
3/16 x 3/4 137 11 21 274 616
1/4 x 1/4 411 33 64 821 1848
1/4 x 3/8 272 22 43 548 1232
1/4 x 1/2 205 16 32 411 924
1/4 x 5/8 164 13 26 329 739
1/4 x 3/4 137 11 21 274 616
3/8 x 1/4 411 33 64 821 1848
3/8 x 3/8 272 22 43 548 1232
3/8 x 1/2 205 16 32 411 924
3/16 x 5/8 164 13 26 329 739
3/8 x 3/4 137 11 21 274 616