Super Base (HS): Specs and Uses
Uses:
- Base coat over substrates to improve performance of the topcoat
- Base coat over substrates to seal cracks
- Over seams on mobile homes
- Over seam cracks on new home construction
- As a base coat over porous or dry surfaces to seal
- As a weather seal
- Can be combined with Multi-Mesh Membrane to form a flat roofing system
Application
Although Super Base (HS) can be applied by non-professionals, SPI recommends using a SPI certified applicator.
Preparation:
- Surface must be clean and completely dry, with no loose debris or particles, rust, dirt, oil, films or residues of any kind. Super Base (HS) will cover previous coatings if they are fully adhered to the surface and no surface gloss
- Mechanically stir
Application methods:
- Airless or pot sprayed: : tip size .032; apply in one coat using crosshatch method
- Roller: use 3/4" nap commercial roller; apply in two coats
- Brush: use soft bristle brush; apply in two coats
Applied rate:
- 30 sq. ft./gal. on roofing (2.8 sq.m./gal.)
- 100 sq. ft./gal. (9 sq.m./gal.) on walls or to seal wood
Film thickness:
- All Roofing: 30 - 35 mils dry (750 - 875 microns dry). Wet: 45 mils - 53 mils
- Walls or Verticals: 10-11 mils dry (400-500 microns wet) to seal pores. Wet: 15 mils - 17 mils
- Note: As a sealant for roofing over small cracks or holes, apply at a total of 50 mils wet / 33 mils dry (1.25 mm wet / 0.8 mm dry)
Temperature:
- 50 degrees F (10 degrees C) – 95 degrees F (35 degrees C)
- 70 degrees F (21 degrees C) best
Dry times:
- 1 hour to touch @ 70 degrees F (21 degrees C)
- 4 hours to overcoat
Full cure:
Limitations:
- Not suitable for underwater use of any kind
Do not use as floor coating
- Do not use directly on food preparation surfaces
- Do not use as an insulating coating
Contact Superior Products International II, Inc. with any questions or visit our Documentation section for full documentation.