Thru-Wall Flashing:

PERM-A-BARRIER® (Rubberized Asphalt)


Perm-A-Barrier® Flashing

Perm-A-Barrier® is a 40 mil self-adhering, self-sealing, self-healing, rubberized asphalt and polyethylene composite membrane that provides multi-level thru-wall flashing protection by limiting water intrusion and diverting infiltrated moisture back to the exterior. It’s high-density polyethylene composition resists punctures, tears, abrasion and corrosion. Perm-A-Barrier® flashing adheres to masonry, steel, concrete, block, gypsum and wood substrates.

Available in:

  • 12″, 18″, 24″ or 36″ wide x 75′ Rolls

Product Data Sheet  SDS  LEED
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Bituthene Mastic

A rubberized asphalt-based mastic. It has excellent adhesion to structural concrete, masonry and wood and is designed to seal terminations, edges of patches, and overlaps in detail areas. It is an integral part of the Bituthene Waterproofing System, though it should not be used as a primary waterproofing material.

Available in:

  • Quart tube

  Product Data Sheet  SDS   LEED
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Perm-A-Barrier® Adhesive Primer

 Perm-A-Barrier Adhesive

Perm-A-Barrier® Adhesive Primer imparts an aggressive,  high tack finish on the treated substrate. It is
specifically designed to facilitate tenacious adhesion of Perm-A-Barrier self-adhered membranes to various substrates.

Available in:

  • 5 Gallon pail

Product Data Sheet  SDS

Perm-A-Barrier® WB Primer

 Perm-A-Barrier WB Primer

Perm-A-Barrier® WB Primer is a water-based primer which imparts an aggressive, high tack finish on the treated substrate.

Available in:

  • 1 Gallon pail
  • 5 Gallon pail

Product Data Sheet  SDS



York SealYork Seal – 40 mil (Self-Adhering) Flashing

York Seal is a proprietary, self-adhering composite membrane, 40 mils (1.0mm) thick.
Modified asphalt offers the waterproofing effectiveness of traditional modified bitumen products with low temperature adhesion.

Available in:

  • 12″, 18″, 24″ and 36″ wide X 75′ Rolls

Product Data Sheet  SDS LEED




Aqua Flash 500 Flashing

Composite sheet type waterproofing membrane consisting of 8 mils of high density cross laminated polyethylene bonded to 32 mils of rubberized asphalt for a total thickness of 40 mils.
With a removable release liner. Self-sealing, self-sticking, self-healing whereby the adhesive will elongate and recover if somewhat damaged. Has excellent puncture resistance.

Available in:

  • 12″, 16″, 18″, 24″ and 36″ wide X 50′ Rolls

Product Data Sheet  SDS LEED




York 304York 304 – (Self-Adhering) Stainless Steel Flashing

York 304 Self Adhering Stainless Steel Flashing has been designed with a flexible 2 mil sheet of type 304 stainless steel, 8 mils of butyl adhesive and a siliconized release liner. York 304 is self-adhering metal flashing that offers best in class puncture and tear resistance. It can be applied from 20° F to 170° F and stays stable and air tight from -70° F to 200° F.

Available in:

  • Widths: 4″, 6″, 9″, 12″, 18″, 24″ & 36″
  • Lengths: 20′, 50′
  • Custom sizes upon request – call 1-800-659-4731

Product Data SheetSDS LEED

York Multi-Flash SSYork Multi-Flash™ SS

Stainless Steel Fabric Flashing is a full, single sheet of 304 stainless steel bonded on one side to a layer of polymeric fabric.
Heat resistant: will not degrade in high heat applications (like spray polyurethane foam applications). 180 day fabric UV exposure.

Available in:

  • 12″, 18″, 24″, 36″ x 60′

Product Data SheetSDSLEED


York Multi Flash 500 CopperYorkMulti-Flash500Copper2York Multi-Flash™ 500 Copper (Non-Asphaltic)

Copper Fabric Flashing Non-Asphaltic

Available in:

  • 12″, 16″, 18″, 24″, 36″ x 60′
  • 3 oz. – gray
  • 5 oz. – red
  • 7 oz. – black

Product Data SheetSDSLEED


York Flash-VentYork Flash-Vent™

Copper Drainage Plane Flashing
Does not clog with mortar; eliminates need for mortar netting.

Available in:

  • 12″, 16″, 18″, 24″, 36″ x 40′
  • 3 oz – gray, industrial
  • 5 oz. – red, heavy duty

Product Data SheetSDSLEED

York universeal us100York UniverSeal US-100 Sealant

Polyether Based, Moisture Curing, Elastomeric, Vertical Seam Sealer

Available in:

  • Quart tubes

Product Data SheetSDS LEED





Copper Fabric FlashingCopper Fabric & Copper Coated Flashing

The highest quality laminated copper flashing on the market today. The two layers of dense glass fabric and a special blended waterproof adhesive are laminated to the copper core to produce greater tensile strength and improve puncture resistance. The composition of copper, glass fabric, and laminate will ensure a permanent bond in the mortar joint and protection from moisture.

Available in:

  • 3 & 5 oz.
  • 16″, 18″, 24″ or 36″ wide rolls x 25′ long
  • Will slit to multiple widths

Product Data Sheet  SDS  LEED 3oz. LEED 5 oz.

H2U Sealtite Sealant

H2U Sealtite Sealant is a high performance acrylic urethane sealant designed for use with Copper Sealtite 2000®. The acrylic urethane formula has better adhesion, flexibility and durability compared to other sealants currently on the market.

Product Data Sheet  SDS




HyloadLogoHyload 40 mil cloaked flashingEndDams_CornersHyload – 40 mil Cloaked Flashing

The Hyload Flashing Membrane is a polymeric, reinforced membrane, incorporating DuPont’s Elvaloy KEE polymer.

Available in:

  • 12″, 16″, 18″, 24″ or 36″ X 75′ Rolls
  • End Dams – Right & Left
  • Corners – Inside & Outside
  • Available in Self-Adhering Adhesive Backing

Available in:

Product Data Sheet  SDS LEED



Flashgard Thru Wall FlashingFlashGard Thru-Wall – 40 mil Flashing

High performance, flexible membrane alternative for protecting masonry walls from water penetration. It is based on EPDM (ethylene propylene diene terpolymer) synthetic rubber. FlashGard Membrane forms a barrier to moisture ingress in cavity wall construction by directing water to a building’s exterior.

Available in:

  • 12″, 16″, 18″, 20″, 24″ or 36″ wide X 50′ Rolls

Product Data Sheet SDS LEED
Inside Corners  Outside Corners End Dams

Flashgard adhesive tapeFirestone FlashGard (2-Sided) Adhesive Tape

Seam Tape

Designed for splicing of FlashGard membrane panels and for attaching FlashGard membrane to substrates as allowed by Firestone FlashGard Thru-Wall Flashing specifications.

Available in:

  • 1-1/2″ x 50′ Rolls (2-Sided)

Product Data Sheet  SDS  LEED shoppingcart_blue Purchase Online

Lap Sealant HSLap Sealant HS

Designed for seam edge sealant of FlashGard standard and SA (self-adhering) flashing membranes as required by Firestone details.

Available in:

  • 11 oz. tube

Product Data Sheet SDS  shoppingcart_bluePurchase Online



Drip Edge Flashing

Hemmed Drip Edge (use in conjunction with membrane or laminated flashings)

Available in:

  • 3″ x 3/8″ x 8′-0″ lengths: 26 Gauge Metal – Type 304 / 2D Finish
  • 3″ x 1/2″ x 10′-0″ lengths: 28 Gauge Metal – Type 304 / 2D Finish

        Please call for custom sizes and other finishes!


Product Data Sheet – 3/8″   Product Data Sheet- 1/2″    SDS LEED
Metal Drip Edge Field Note

Custom Stainless Steel Thru-Wall Flashing

Hemmed Drip Edges (use in conjunction with other membrane or laminated flashings)


  • 28 Gauge Metal – Type 304 / 2D Finish

         Please call for other gauges, finishes and custom sizes!


Product Data Sheet  SDS  LEED
Metal Coping Field Note Metal Drip Edge Field Note
Metal Laping Field Note Inside, Outside Corners & End Dams

Lap RiteLap Rite™

Lap Rite™ is a one part non-skinning butyl metal flashing sealant formulated to seal laps.

Available in:

  • 10 oz. tube

Product Data Sheet  SDS LEED  shoppingcart_blue Purchase Online
Metal Drip Edge Field Note
Metal Laping Field Note
Metal Coping Field Note



Termination BarTermination Bar

Securing flashing edge to the wall.

Available in:

  • PVC – 1/8″ X 1-1/8″ with 5/16″ diameter holes 8″ oc.
  • Stainless Steel – 1/8″ X 1″ with 5/16″ diameter holes 16″ oc.
  • Aluminum – 1/8″ X 1″ with 5/16″ diameter holes 16″ oc.

Product Data Sheet – PVC  SDS – PVC LEED – PVC
Product Data Sheet – Stainless Steel  SDS – STL  LEED – STL
Product Data Sheet – Aluminum  SDS – ALUM  LEED – ALUM

Termination Bar w/ Sealant Lip

  4210 Aluminum Termination Bar with Sealant Lip

Used at top of flashing to secure it to backup and is compatible with all flashings.
Lip provides a channel for caulking at top of bar to prevent moisture penetration.

Available in:

  • Stainless Steel – 26 gauge x 1-1/2” wide by 8’ sections with 5/16″ diameter holes 8″ oc.
  • Aluminum – 14-gauge x 1” wide by 10’ sections with 5/16″ diameter holes 8″ oc.

Product Data Sheet – Stainless Steel  SDS – STL  LEED – STL
Product Data Sheet – Aluminum  SDS – ALUM  LEED – ALUM

Zamac Hammer ScrewFasteners for CMU & Concrete Backup

This Zamac Hammer-Screw is unique, one-step drive anchor featuring a Phillips type head and a screw thread for use in concrete, block, brick or stone.

Available in:

  • 1/4″ X 1-1/4″ Hammer drive anchor


  • Electro Galvanized

Product Data Sheet  LEED

Fasteners for Metal Stud Backup

#10 X 1-1/2″ Hex Washer head Self Drilling (Tek) with attached neoprene washer.


  • Climaseal coated

 Product Data Sheet SDS


Fasteners for Wood Stud Backup

#9 X 2″ Hex Washer head Self Drilling (Tek) with attached neoprene washer.


  • Climaseal Coated

Product Data Sheet  SDS

Single Wythe Flashing:

BlockFlashBlockFlash® Flashing Pan System

BlockFlash® is an embeddable flashing pan for exterior single wythe CMU wall systems. It collects moisture that infiltrates the wall and flows down the vertical cores and diverts it to the exterior. BlockFlash® is a single wythe CMU flashing system that is useful at all flashing/weep hole locations including base of wall, above door and window openings, above bond beams, in parapet walls, basements and any other locations where flashing is necessary. Formerly known as Blok-Flash.

Available in:

  • 6″ CMU
  • 8″ CMU
  • 10″ CMU
  • 12″ CMU

Product Data Sheet  SDS LEED
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BlockFlash Warranty
NCMA Tek 5-15 Installation Instructions



Generic Wall Design

The economy and functionality of these details (which include the most common thru-wall flashing locations) will compliment masonry’s inherent quality as a durable building material.

Visit Masonry Institute of Michigan for the Generic Wall Design Single Wythe Exterior Details


Generic wall designs focus on provisions to minimize and control rain penetration. Structural, aesthetic and other environmental issues, i.e.: fire resistance, thermal performance, condensation and sound control are not addressed.