Xtra-Stop Base Coat

Xtra-Stop Base Coat

XTRA-STOP BASE COAT is a 100% acrylic adhesive and base coat that is field-mixed with Type I or Type II Portland cement. It is noted for its water resistant properties.

​FEATURES

​BENEFITS

​Highly water resistant

​Use to waterproof sloped parapets and window sills

Familiar 1:1 mixing ration

Easy to mix with less chance of error

​​Smooth, creamy consistency

​Trowels easily, speeds mesh embedment, reduces applicator arm fatigue, increases
job-site productivity

​Water based

​​Safe, non-toxic; clean up easily with soap and water

Uses

  • XTRA-STOP BASE COAT is designed for use as the adhesive and/or base coat in several wall systems from Senergy. 

  • XTRA-STOP BASE COAT is used with the Senerflex Wall System to adhere expanded polystyrene insulation board to the following acceptable substrates:  

  1. SENERSHIELD

  2. SENERSHIELD-R

  3. Unpainted and unglazed concrete or unit masonry

  4. PermaBase® brand cement board (or other ASTM C1325 Type A Exterior approved cement boards)

  5. Poured concrete/unit masonry

  6. Fiberock® Aqua-Tough™ sheathing

  7. ASTM C1177 sheathings (eXP® by National Gypsum, GlasRoc® by Certainteed and DensGlass® exterior sheathing)

  8. Gypsum sheathing (ASTM C79/C1396)

  9. New and untreated Exposure 1 or exterior plywood sheathing (Grade C-D or better)

  10. Exposure 1 OSB
    Note: Wood-based sheathing substrates require priming with SENERPRIME.

  • XTRA-STOP BASE COAT used with Senerflex EIFS, Senturion I, II, and III residential EIFS, Senergy Cement-Board Stucco System and all Senergy Surfacing Systems to embed CORNER MESH and SENERGY REINFORCING MESH.

  • XTRA-STOP BASE COAT will also adhere expanded polystyrene insulation board (EPS) to expanded polystyrene insulation board, enabling the build out of architectural shapes and details.

Packaging

27.2 kg per 19-liter pail
(60 lbs per 5-gallon pail)

Coverage

(Approximate coverage rates are shown.)

Adhere EPS insulation board to substrate:

  • 14.8 m² (160 ft²) per pail via notched trowel method

  • 16.7 m² (180 ft²) per pail via ribbon & dab method

Embed FLEXGUARD 4:

  • 26 m² (280 ft²) per pail

Embed INTERMEDIATE 12:

  • 18.5 m² (200 ft²) per pail

Embed HI-IMPACT 20 and FLEXGUARD 4:

  • 14.8 m²(160 ft²) per pail

Adhere EPS insulation board to substrate and embed FLEXGUARD 4:

  • 11.1 m² (120 ft²) per pail

Xtra Stop Base Coat Product Bulletin

Xtra Stop Base Coat Product Bulletin