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Building Sealant Recommendations and Surface Preparation Guide
DOW CORNING SEALANT
DOW CORNING® 756 - HP DOW CORNING® 790 DOW CORNING® 791 DOW CORNING® 795 DOW CORNING® 991 - HP
SUBSTRATE Surface Preparation Surface Preparation Surface Preparation Surface Preparation Surface Preparation
Concrete & Masonry
Brick Abrade/Dust Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust
Concrete Block Abrade/Dust/1200/BP Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust/1200/BP
Poured Concrete Abrade/Dust/1200/BP Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust/1200/BP
Precast Concrete Abrade/Dust/1200/BP Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust/1200/BP
Tilt-Up Concrete Abrade/Dust/1200/BP Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust/1200/BP
Mortar Abrade/Dust/1200/BP Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust/1200/BP
Grout Abrade/Dust/1200/BP Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust/1200/BP
Plaster Abrade/Dust Abrade/Dust Abrade/Dust/1200/BP Abrade/Dust/1200/BP Abrade/Dust
EIFS1
Dryvit 1200/1593/P5200 Primer2,3 1200/1593/P5200 Primer2 1200/1593/P5200 Primer2 1200/1593/P5200 Primer2,3 1200/1593/P5200 Primer2,3
2 2,3 2 2
Parex No Primer 1200/1593/P5200 Primer No Primer No Primer No Primer2
2 2 2 2
Pleko No Primer 1200/1593/P5200 Primer No Primer No Primer No Primer2
2 2 2
Senergy No Primer Not Recommended No Primer No Primer No Primer2
2 2 2 2
Simplex,Finestone No Primer 1200/1593/P5200 Primer No Primer No Primer No Primer2
2,4 2 2,4 2,4
STO No Primer 1200/1593/P5200 Primer No Primer No Primer No Primer2,4
Tec No Primer2 1200/1593/P5200 Primer2 No Primer2 No Primer2 No Primer2
2 2 2 2
Thoro No Primer 1200/1593/P5200 Primer No Primer No Primer No Primer2
2 2 2 2
USG No Primer 1200/1593/P5200 Primer No Primer No Primer No Primer2
Stone
Granite Abrade/Solvent Wipe Abrade/Solvent Wipe Abrade/Solvent Wipe Abrade/Solvent Wipe Abrade/Solvent Wipe
Travertine Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200
Marble5 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200
Limestone Solvent Wipe/1200/BP/P5200 Abrade/Solvent Wipe Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200
Sandstone Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200 Solvent Wipe/1200/BP/P5200
Glass
Insulating Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Float Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Laminated6 Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Plate Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
* Field Adhesion Testing is required to verify surface preparation at the job site
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Building Sealant Recommendations and Surface Preparation Guide
DOW CORNING SEALANT
DOW CORNING® 756 - HP DOW CORNING® 790 DOW CORNING® 791 DOW CORNING® 795 DOW CORNING® 991 - HP
SUBSTRATE Surface Preparation Surface Preparation Surface Preparation Surface Preparation Surface Preparation
Tinted Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Porcelain-Coated Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Ceramic Frit Coating Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Vitrified Surfaces Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Reflective Glass7 Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Low E High (T) Glass7 Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Spandrel Coating Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe Solvent Wipe
Paints
Acrylic Latex Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Acrylic Thermoset Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Silicone Alkyd Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Silicone Acrylic Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Silicone Polyester Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Polyurethane Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Polyvinyl Chloride (PVC) Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Fluoropolymer
Kynar Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe/1200/1593 Solvent Wipe
Duranar Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe/1200/1593 Solvent Wipe
Fluoropon Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe/1200/1593 Solvent Wipe
Duranar XL Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe/1200/1593 Solvent Wipe
Acroflur Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe/1200/1593 Solvent Wipe
Metals
Aluminum -Alodine Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Solvent Wipe/1200/1593 Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200
Aluminum -Mill Finish or Scotch Brite Abrade or Scotch Brite Abrade or Scotch Brite Abrade or Scotch Brite Abrade or Scotch Brite Abrade
Aluminum - Anodized Solvent Wipe Test/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
Copper Solvent Wipe Do Not Use Solvent Wipe Solvent Wipe Solvent Wipe
Lead Solvent Wipe Solvent Wipe Solvent Wipe/1200/1593 Solvent Wipe/1200/1593/P5200 Solvent Wipe
Steel
Red Lead Primer Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe
* Field Adhesion Testing is required to verify surface preparation at the job site
Page 2 of 3
Building Sealant Recommendations and Surface Preparation Guide
DOW CORNING SEALANT
DOW CORNING® 756 - HP DOW CORNING® 790 DOW CORNING® 791 DOW CORNING® 795 DOW CORNING® 991 - HP
SUBSTRATE Surface Preparation Surface Preparation Surface Preparation Surface Preparation Surface Preparation
Weathered - ABRADE > Abrade/Solvent Wipe Solvent Wipe/1200/1593/P5200 Abrade/Solvent Wipe Abrade/Solvent Wipe Abrade/Solvent Wipe
Stainless Solvent Wipe/1200/1593 Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200
Galvanized Solvent Wipe/1200/1593 Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe/1200/1593/P5200 Solvent Wipe/1200/1593/P5200
Cold Rolled Solvent Wipe/1200/1593 Solvent Wipe/1200/1593/P5200 Solvent Wipe Solvent Wipe Solvent Wipe/1200/1593/P5200
1200: DOW CORNING® 1200 Prime Coat; 1593: DOW CORNING® 1593 Cleaner/Primer; CB: DOW CORNING® Barrier Primer; P5200: DOW CORNING® P5200 Adhesion Promoter
1
Do not apply sealant to EIFS finish coat unless approved by EIFS manufacturer
2
Cleaning Procedures for EIFS systems should be followed per DC Weatherproofing Sealant Guide
3
Rigid vinyl edge component requires 1200 or 1593 Primer
4
1200 or 1593 Primer is required on STO System II (BTS-B, no finish)
5
The extremely porous nature of some marble, particularly white marble, can contribute to the potential for fluid migration
into this substrate. Contact a Dow Corning Specialist when working with marble.
6
Laminated Glass with polyvinyl buyvol (PVB) interlayer may delaminate up to 1/4" at the edges when in contact with a sealant
7
Do not use DOW CORNING® 790 on copper, sputter, coated glass
* Field Adhesion Testing is required to verify surface preparation at the job site
Page 3 of 3
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