The above Primer ranking system is as follows:
1 depicts First choice
2 depicts Second choice
3 depicts Third choice
The following are important considerations when making final selection of Primer:
- Cure Times
- Single or Plural Component
- Solvent or Water based
- Freight Classification
Check Primer Data Sheets for this important information.
Note: Tie Cote Primer is not available for use in California.
Use AE4 as an additive when spraying Polyurea over Fiberglass.
When using EP100 on masonry use EP-100 Winter Formula for quicker recoat times.
If no Primer recommendation exists for a product/substrate combination, then UCSC does not recommend that particular product/substrate combination.
Ferrous Metals - Metals which contain Iron. They may have small amounts of other metals or other elements added, to give the required properties.
Ferrous Metals examples: Steel, Galvanized Steel, Stainless Steel.
Non-Ferrous Metals - Metals which do not contain any iron. They are magnetic and are usually more resistant to corrosion than ferrous metals.
Non-Ferrous Metals examples: Aluminum, Copper, Lead, Zinc.
SINGLE PLY - APP
Is a modified bitumen membrane consisting of asphalt modified with atactic polyolefin reinforced with a non-woven polyester mat. APP is applied by heat welding or with cold-applied adhesives.
SINGLE PLY - EPDM
Based on ethylene propylene diene monomer, this membrane commonly features installations that are fully adhered, ballasted or mechanically attached.
SINGLE PLY - PVC
Polyvinyl Chloride (PVC) roofing systems is a flexible PVC- and KEE-blended thermoplastic roofing membrane. This hot-air welded, polyester scrim-reinforced membrane is white.