Skip to content
PRO DAYS: Up to 60% Off Job-Busting Pro-Grade Equipment. Shop Now >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 03/01/27.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

PROSOCO R-Guard FastFlash Liquid Flashing Membrane, 20 Oz., STP Formula, Waterproofing and Air Barrier Applications, Sausage, Model# 70400-SAUSAGE

Item# 7470259
New
PROSOCO R-Guard FastFlash Liquid Flashing Membrane, 20 Oz., STP Formula, Waterproofing and Air Barrier Applications, Sausage, Model# 70400-SAUSAGE

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

PROSOCO R-Guard FastFlash Liquid Flashing Membrane, 20 Oz., STP Formula, Waterproofing and Air Barrier Applications, Sausage, Model# 70400-SAUSAGE

Click or Tap image to Zoom

$44.80

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • Streamlines preparation by eliminating the need for joint reinforcing tapes.
  • Silane functional polymer provides superior long term adhesion, crack bridging and weathering characteristics.
  • Easy 12–15 wet mil application.
  • Bonds to most common building materials without priming.
  • Single component saves time.

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Compare

Product Summary

PROSOCO R-Guard® FastFlash® is a waterproofing, adhesive and detailing compound for air barrier applications that combines the best characteristics of silicone and polyurethane. This single-component, Silyl-Terminated-Polymer (STP) is easy to gun, spread-and-tool, or roller apply to produce a highly durable, seamless, elastomeric flashing membrane. Allows for same-day installation of windows, doors and other wall assemblies, waterproofing or air barrier components.

What's Included

    (1) Membrane

Downloads

Safety Data Sheet

Features + Benefits

  • Streamlines preparation by eliminating the need for joint reinforcing tapes.
  • Silane functional polymer provides superior long term adhesion, crack bridging and weathering characteristics.
  • Easy 12–15 wet mil application.
  • Bonds to most common building materials without priming.
  • Single component saves time.
  • Produces a durable, weather-tight seal.
  • Bonds and cures in wet weather, on damp substrates, and tolerates rain immediately after application.
  • Will not tear or lose effectiveness when exposed to weather during construction.
  • May be fully exposed to UV and weather for up to 12 months depending upon conditions. If longer, contact for inspection.
  • Compatible with most sealants and waterproofing or air barrier components.
  • Solvent free. Isocyanate free. Phthalate-free.
  • No shrinkage. No staining. No yellowing.
  • Breathable – allows damp surface to dry.
  • Will not support mold growth.

Key Specs

AttributeSpecification

item#

7470259

Brand

Prosoco

Ship Weight

2.0 LB
AttributeSpecification

Product Type

Waterproof Adhesive

Product Weight

2.0000 lb

Dimensions L x W x H (in.)

2.0 x 2.0 x 13.0 in

Reviews

Questions & Answers

Questions

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

PROSOCO R-Guard FastFlash Liquid Flashing Membrane, 20 Oz., STP Formula, Waterproofing and Air Barrier Applications, Sausage, Model# 70400-SAUSAGE
0.0 out of 5 stars.

PROSOCO R-Guard FastFlash Liquid Flashing Membrane, 20 Oz., STP Formula, Waterproofing and Air Barrier Applications, Sausage, Model# 70400-SAUSAGE

Item # 7470259

$44.80