Henry Air-Bloc All Weather STPE

$487.35

 

  • Product Discontinued. Check out Henry Air Bloc 33MR as a substitute 
  • Superior wash-off resistance offers scheduling flexibility during challenging weather conditions
  • Can be left exposed for up to 12 months during construction
  •  Permanent UV exposure under open joint cladding
  •  Single component, one coat application; can be spray, roll, or brush applied for fast, easy application
  •  Excellent adhesion to most substrates; can be applied to damp surfaces
  •  Can be used as a flashing when the main air barrier membrane is Air-Bloc All Weather STPE
  • Low temperature application down to 10 °F (-12 °C)
  •  NFPA 285 compliance: compliant in various wall assemblies; meets IBC 1403.5 exception#2
  • Living Building Challenge Declare label (Red List Free)

Available on backorder

Description

Henry Air-Bloc All Weather STPE is used in construction of high performance wall assemblies requiring vapor permeability along with water, UV, weather and fire resistance. When integrated with Henry flashing and accessories, Air-Bloc All Weather STPE forms a complete wall system meeting the highest industry performance standards for use on a variety of wall substrates requiring long term weather exposure prior to cladding installation, including open-joint cladding.

Surface Prep

All surfaces must be sound, clean and free of frost, oil, grease, dirt, excess mortar or other contaminants. Acceptable substrates are exterior-grade gypsum sheathing, plywood, OSB, precast or cast-in-place concrete, primed steel, aluminum mill finish, anodized aluminum, and galvanized metal. New concrete should be cured for a minimum of 3 days before Henry Air-Bloc All Weather STPE is applied. Concrete and CMU surfaces should be free of large voids and spalled areas. Fresh mortar joints in CMU should be cured for a minimum of 36 hours.

Apply

Air-Bloc All Weather STPE may be applied by brush, roller or heavy-duty airless spray in a single coat application. Apply in continuous, monolithic application without sags, runs or voids, transitioning onto flashing membrane to create a uniform drainage plane and air barrier. Regularly monitor wet mil thickness during application to assure adequate coverage.

Spray Recommendations

To achieve an optimal spray pattern Air-Bloc All Weather STPE requires 3300 psi – 4000 psi at the gun. It is important that the spray equipment be well maintained to deliver consistent psi while spraying. Ensure all equipment is
free from water prior to use and clean equipment with mineral spirits after use. For further detail, please refer to Henry Air-Bloc All Weather STPE Installation Guideline.

Clean Up

Clean-up of spray equipment containing uncured material may be accomplished by flushing with mineral spirits. Read solvent Safety Data Sheets before use. Keep cleaning solvents away from all sources of heat, sparks, flame, lighted smoking materials or any other ignition source. This product cures by reacting with moisture and should not be left in spray guns, pump equipment and hoses for prolonged periods unless equipment contains moisture lock hoses, fittings and seals. Equipment without these components can allow moisture vapor to migrate into spray equipment resulting in cured material build up on hose walls and at unsealed connections potentially causing an increase in operating pressure and material flow restriction.

Storage

Store in a cool, dry and shaded location. Recommended storage temperature between +32 °F and +100 °F (0 °C and 37.8 °C).

Henry Air-Block All Weather STPE Safety Data Sheet

Additional information

Weight 28.21 kg
Dimensions 30.48 × 30.48 × 38.1 cm

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