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Foster  |  SKU: FOSTER-60-25-CI-MASTIC

Foster® 60-25 C.I. Mastic

£19109
Shipping calculated at checkout.


Delivery and Shipping

Deliveries and Shipping

All products are delivered at a standard cost of £14.99 with next day delivery throughout the UK. 

Shipping is free within the mainland UK on orders over £100!

This will vary if you are a European customer with additional charges and delivery times being added depending on location. You can find more information on this below: 

Republic of Ireland:

£20 delivery cost

2-11 business days

Austria and Denmark:

£25.99 delivery cost

2-11 business days

Belgium, France, Germany and Netherlands:

 £20.99 delivery cost

2-11 business days

Bosnia, Iceland, Norway, Ukraine:

£60.99 delivery cost

3-17 business days shipping

Bulgaria, Latvia, Lithuania, Romania:

£40.99

2 to 11 business days

Croatia, Estonia, Finland, Hungary, Portugal, Poland, Slovenia, Sweden:

£30.99 delivery cost

2-11 business days

Switzerland:

£40.99 delivery costs

3-17 business days

Spain, Czech Republic:

£25.99

2-11 business days

Please direct any other queries to: Info@insulation-more.co.uk

If ordering outside of the UK you will be expected to pay duty tax on your products, please contact us for more information. 

Delivery and Shipping

Description

Foster® 60-25 C.I. Mastic is a high solids, asphalt cutback mastic with excellent vapor retarder properties and low vapor permeance. It is a black, trowel-applied mastic primarily used for vapor barrier and adhesive applications in construction, especially for insulation systems.

Specifications and Properties

  • Color: Black
  • Application Consistency: Trowel
  • Average Weight/U.S. Gallon (ASTM D1475): 9.4 to 10.0 lbs. (1.13 to 1.20 kg/l)
  • Material Preparation: Do not thin; apply only to clean, dry, oil-free surfaces
  • Application Method: Cannot be applied by spray; use trowel for application
  • Drying Time: 1/2 to 6 hours to set to touch, 7 days to dry through (at 73°F and 50% RH)
  • Water Vapor Permeance:
    • ASTM E96 Procedure A: < 0.015 perms at 1/8 inch dry film thickness
    • ASTM F1249: 0.02 perms at 1/8 inch dry film thickness
  • Average Non-Volatile (ASTM D2369): 66% by volume (76% by weight)
  • Coverage Range: 12 gallons per 100 sq. ft. (4.9 l/m2) for a 0.192 in. wet film thickness on smooth non-porous surfaces; higher gallonage required for porous or rough surfaces
  • Service Temperature Limits: -40°F to 180°F (-40°C to 82°C)
  • Wet Flammability: Flash Point at 104°F (40°C)
  • Surface Flame Spread (ASTM E162): Flame Spread 145 when applied to 1/4 inch inorganic reinforced cement board

Features and Application

  • Vapor Retarder: Effective for preventing water vapor entry into insulation on heated lines, vessels, and equipment.
  • Use with Insulation: Ideal for low temperature insulation on outdoor applications.
  • Heavy Duty Service: Can be used for outdoor and heavy-duty applications with appropriate preparation and application methods.
  • Compatibility Testing: Necessary for foil and paper facings, and plastic materials.
  • Weathering: May weather to a dark gray color; ensure proper drainage on outdoor horizontal surfaces.

Key Data and Facts

  • Usage Limitations: Not to be used on polystyrene foam.
  • Flame Spread Variability: May vary based on product thickness and the surface it's applied over.
  • Decorative Coating Application: Allow a minimum of 30 days drying time before application.
  • Tack Coat Application: For heavy duty service, apply a tack coat at 1/16 inch (1.6 mm) thickness, equivalent to 4 gallons per 100 square feet.

Notes

  • This product is designed for industrial use and should be applied following specific guidelines as mentioned in the product data sheet and safety data sheet.

Payment & Security

Payment methods

  • American Express
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  • Diners Club
  • Discover
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  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

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Adhesive, asphalt cutback mastic, construction adhesive, heavy duty, high solid content:
Foster

Foster® 60-25 C.I. Mastic

£19109

Foster® 60-25 C.I. Mastic is a high solids, asphalt cutback mastic with excellent vapor retarder properties and low vapor permeance. It is a black, trowel-applied mastic primarily used for vapor barrier and adhesive applications in construction, especially for insulation systems.

Specifications and Properties

Features and Application

Key Data and Facts

Notes

View product