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NEW! Non-Asphaltic Roofing Air Barrier

BlockShield SA Plus: Self-Adhered, Non-Asphaltic, Air, Water,
and Vapor Barrier Roof Underlayment

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NEW: Simple Stucco Rainscreen

Rainscreen SA: one step installation of an air barrier and rainscreen

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NEW: Optimized for Panelization

PanelShield SA: designed to withstand rigorous factory handling

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Building Envelope

Revolutionary

SELF-DRYING ROOFS

In the recently published article “Self-Drying Roofs” the author states that “new air barrier products are now being deployed in assemblies to assist in drying out existing materials.” He goes on to reference the Tampa International Airport project which included “a self-adhered vapor-permeable air barrier layer to dry out existing insulation.” (Murphy Self-Drying Roofs pp. 14-28)

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Tampa International Airport Profile

We Care

We Care

About Your Team

Crew safety is always paramount, but in today's uncertain times ensuring your crew is not exposed to toxins is even more important. All VaproShield membranes have zero VOCs and do not require primer. They are safe to transport, handle and install.

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Earn and Learn

WITH US

Virtual learning is our new normal and VaproShield is here to make it easy. We are holding a series of webinars featuring our AIA accredited presentations about rainscreen, roofing, mass timber. Join us when it fits your schedule.

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Overview

  • Leadax Original Flashing is installed and formed in a similar way to traditional lead flashing.
  • Use your hands to pre-form Leadax Original flashing and the Leadax Dresser or Steel Pressure Roller to mold it into place.
  • Temperature changes have little or no effect on the expansion or contraction of the product.

 

Roofing Materials

  • Leadax Original flashing is suitable with all types of roofing materials (EPDM, bitumen, plastics and metals), only use Leadax High-Tack Sealant for fixation (not hot air)
  • Leadax Original flashing can be used on all lead code 5 applications.
  • For flat and low-slope roofs, seal edges and seams with Leadax High-Tack Sealant.

 

Preparation

  • The ideal installation temperature is from 41°F (5 °C) and rising. Leadax Original flashing can be installed in temperatures as low as -4°F (-20°C), however forming Leadax Original flashing could be more difficult and require additional time.
  • Ensure surface is dry and free of grease and dust before applying Leadax Original flashing.

Installation

  • Installs up to 19.7ft (6m) without needing an overlap.
  • Overlaps must be a minimum of 3.1” (80mm) and sealed with hot air or Leadax High-Tack Sealant.
  • The recommended welding temperature is 800°F (425°C), depending on the ambient temperature. Use the Leadax steel pressure roller to press down the welding seam.
  • In areas frequently exposed to wind, Leadax Original flashing can be secured using Leadax High-Tack Sealant.
  • When molded or used as a facing material, it is recommended to secure with Leadax High-Tack Sealant.
  • Use Leadax High-Tack Sealant to seal off any edges and seams.
  • After application, remove the protective film from the face and reverse.

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