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Category:Masonry Accessories
SubCategory: Waterproofing Membrane
Manufacturer:Polyguard Products, Inc.
Description:Thru Wall Flashing Membrane, Preformed End Dams, Corners and Accessories


Polyguard Products, Inc.
P O Box 755
Ennis, TX 75120
(214) 875-8421
800) 541-4994
(214) 8754-9425


Basic Use:
POLYGUARD THRU WALL FLASHING MEMBRANES are self-sealing, fully adhered membrane systems used in exterior membrane systems used in exterior masonry wall systems to deflect water from thru wall penetrations. Applications include spandrel beams, sills, copings, door and window headers and flange flashings. POLYCUARD THRY WALL FLASHING collects water that penetrates the exterior wythe and directs it to the exterior through weepholes.

POLYGUARD PREFORMED END DAMS are used in vulnerable locations such as corners and near the jamb lines above and below wall openings.

POLYGUARD PREFORMED CORNERS provide maximum protection against moisture infiltration at both inner and outer corners. It bridges the waterproofing membrane where it terminates, forming a continuous water deterrent seal.

POLYGUARD LIQUID ADHESIVE is used to prepare surfaces in all Thru Wall Flashing applications. VOC compliant adhesives are available for areas with special requirements. Contact Polyguard for further information.

POLYGUARD 650 MASTIC is used to seal all terminations in the Thru Wall Flashing. POLYGUARD 650 MASTIC eliminates the need for reglets in the backup systems. Pipe and other penetrations and terminations are to be sealed with POLYGUARD 65O MASTIC.

POLYGUARD CAVITY DRAIN is a drainage mat designed for masonry cavity walls. Its purpose is to ensure that mortar droppings do not block the flow of water along the flashing surface to the weephole exits.

POLYGUARD DRIP EDGE is a stainless steel strip designed to extend beyond the face of the masonry. POLYGUARD THRU WALL FLASHING materials should be terminated on the drip edges underneath the mortar.

Composition and Materials:

POLYGUARD THRU WALL FLASHING MEMBRANES, PREFORMED END DAMS AND CORNERS are strong pliable, self-adhered, self-sealing sheets consisting of high density polyethylene film laminated to a layer of rubberized asphalt waterproofing compound. It is factory bonded to assure uniform thickness.

POLYGUARD 650 LT LIQUID ADHESIVE is a fast drying, high tack rubber based liquid adhesive in solvent solution. Other VOC compliant adhesives are available when required.

POLYGUARD CAVITY DRAIN is a fabricated plastic structure providing channels for water to flow along the flashing surface to the weepholes.

Isometric of structural steel members bearing on masonry-slotted channel embedded into pilaster.
Catalog page:110

Category:Masonry Accessories
SubCategory: Waterproofing Membrane
Manufacturer:Polyguard Products, Inc.
Description:5. INSTALLATION

Material Storage:

THRU WALL FLASHING, PREFORMED END DAMS, CORNERS AND ACCESSORIES should be unloaded and stored in such a manner that prevents injury to the materials. All containers must be protected from weather, sparks, flames, excessive heat, cold and lack of ventilation. All materials should be palletized and covered to prevent water damage.

Preparatory Work:

Surface Preparation- Clean all surfaces of dust, dirt, foreign matter. Eliminate sharp protrusions, which may puncture thru wall flashing. Surface should be dry prior to application of materials.


Stir Liquid Adhesive each day before use. POLYGUARD LIQUID ADHESIVE should be applied to entire surface at a rate of 250-300 square feet per gallon. Primed surfaces must be reprimed if THRU WALL FLASHING is not applies to the liquid adhesive within the same working day. Use brush or lambs wool roller for liquid adhesive application. 650 LT LIQUID ADHESIVE will remain tacky to touch .THRU WALL FLASHING can be applied 30-60 minutes after liquid adhesive is applied.

Primed surfaces should be immediately covered or protected to prevent contamination occurring on the LIQUID ADHESIVE. Metal surfaces may require adhesive to obtain bond of Thru Wall Flashing to substrate. Field test to determine adhesion level. Surface must be clean, dry and free of any type of contamination.

Installing Flashing:

POLYGUARD THRU WALL FLASHING MEMBRANE,PREFORMED END DAMS AND CORNERS are installed at locations requiring flashing to channel water out of cavity wall system through weepholes. Vertical terminations on backup system should extend 8” and be sealed on day of installation with
POLYGUARD 650 MASTIC. Extend THRU WALL FLASHING to within ½” of exterior face of masonry wall. If exterior drip edge is required terminate flashing ½” on to POLYGUARD DRIP EDGE. THRU WALL FLASHING is installed on spandrel beams, ledges, window and door headers and other penetrations/ interruptions of wall system. Use of a drip edge is strongly recommended where flashing is being installed over a bridge course (TO AVOID EFFLORESCENSE) or over concrete masonry (TO AVOIC LEAVING CMU’S HOLES EXPOSED). All overlaps of flashing to be a minimum of 2” and should shed or run parallel to direction of water flow. Prime overlaps in temperatures below 40 degrees F. Membrane may be applied to a temperature of 25 degrees F

Installation Over Open Cavity:

If flashing must bridge over an open cavity, as opposed to being fully adhered to brick, block, lintel or angle, design should insure that thru wall flashing does not sag into the open cavity area. Contact Polyguard Products for assistance in this situation.

Flashing Arches:

Flashings should be installed below the arch and above the window framing or steel angle lintel.

Wall Base:

Place flashing continuously to divert water to exterior.


THRU WALL FLASHING should be placed under all sills and overlapped with a preformed end dam at all terminations to form a continuous water deterrent seal.

Steel Lintels:

Flashing should be installed over all openings. The flashing should be placed directly on top of primed lintel and overlapped with preformed end dam a minimum of 2” at terminations to form a continuous water deterrent seal.

Spandrel and Shelf Angles:

In concrete or steel frame buildings the entire faces of the spandrel breams should be primed and flashed. Take care to assure pressure is applied for adhesion to surface.
Projections, Recesses, Copings and Caps: Stainless steel drip edge should be used. Lap the flashing membrane over the top of the drip edge s minimum ½” onto drip edge. Caps should have top surface sloping downward away from the face of the wall, copings may slope one or both directions. In all cases, the slope should be a minimum of 15 degrees from horizontal, where the wall becomes partially or totally discontinued vertically.

Flashing Around Corners:

When flashing around corners, the flashing should be continuous with the use of POLYGAURD PREFORMED CORNER.

Flashing at Vertical Supports:

When application requires puncturing or slitting, make sure all openings in the flashing are tightly sealed and that the flashing is terminated onto the supports with POLYGUARD 650 MASTIC.
Catalog page:111

Category:Masonry Accessories
SubCategory: Waterproofing Membrane
Manufacturer:Polyguard Products, Inc.
Description:Cavity Drainage:

To ensure drainage of water along flashing to weephole exits, POLYGUARD CAVITY DRAIN should be installed over flashing. Drain should cover floor of cavity and ¼” up the face of the inner wythe a minimum of 8” (203mm)


In order to properly drain any water collected from properly applied flashing, weepholes must be provided immediately above the flashing at all flashing locations. In general, weepholes should be at least diameter, and should be spaced no further than 24” horizontally. Check the Brick Institute of America for specification standards.

Cleaning of all excess Mortar:

It is also necessary to clean out all excess mortar that may have dropped onto the flashing to ensure clear passage way for water to drain off flashing to the weepholes and out the exterior of the wall.

Ultraviolet Exposure:

Thru wall flashings can be applied to surface and left exposed to sunlight and weather for up to 30 days during construction.


The liquid adhesive is an industrial coating and would be harmful or fatal if swallowed. Most are marked as red label from the standpoint of flash points. Prohibit flames, sparks, welding and smoking during applications. Refer to product label for handling, use and storage precautions.

Solvents could be irritating to the eyes. In case of contact with eyes, flush the water and contact physician.
Avoid prolonged contact with skin and breathing of vapor or spray mist from liquid adhesive. If in confined areas, use adequate forced ventilation, fresh air masks, explosion proof equipment and clean clothing. Avoid solvent contact with light bulbs or other high temperature surfaces.


This material is offered for sale by POLYGUARD PRODUCTS, INC. only for the expressed purposes as described in this literature. Any use of the products described in this literature. Any use of the products described in this literature for purposes other that therein be POLYGUARD PRODUCTS, INC. shall be the responsibility of the purchaser and POLYGUARD PRODUCTS, INC. does not warrant nor will be responsible for any misuse of these products. POLYGUARD PRODUCTS, INC. will replace F.O.B. Ennis, Texas, materials not meeting our manufacturer’s specifications.
POLYGUARD products as described herein are for industrial use only. The application procedures should be performed by workmen who are skilled in the application of materials described herein in accordance with manufacturer’s specifications

Material Safety Data:

All Material Safety Data Sheets and precautionary labels should be read and understood by all user supervisory personnel and employees before using. Consult POLYGUARD PRODUCTS, INC. Material Safety Data Sheets and OSHA regulations for additional safety and health information for the products described herein. Purchase is responsible for complying with all applicable federal, state or local laws and regulations covering use of the product including waste disposal.
This is not a Material Safety Data Sheet and is not to be used as such,. POLYGUARD has prepared separate Material Safety Data Sheets on each product.



POLYGUARD THRU WALL FLASHING MEMBRANES are available from selected distributors. Contact POLYGUARD PRODUCTS for information.


Generally, POLYGUARD THRU WALL FLASHING costs more than PVC flashing and less than copper flashings.

Installation cost Polyguard Thru Wall flashing is significantly lower than fabricated metal flashings.


POLYGUARD PRODUCTS are warranted to be free of defects in manufacture for five years. Material will be provided at no charge to replace any defective product.


None required if installed according to POLYGUARD’S instructions.


Technical assistance and information are available from any POLYGUARD dealer or distributor, or contact: Polyguard Products, Inc. at (800) 541-4994
Catalog page:112

Category:Masonry Accessories
SubCategory: Waterproofing Membrane
Manufacturer:Polyguard Products, Inc.
Description:10. FILING SYSTEMS

· POLYGUARD brochures are available upon request from Polyguard or its distributors.

Isometric at base of wall at structural corner where CMU and steel column are independent
Catalog page:113

Description:SWELLTITE membranes are tough composite products that provide dual waterproofing protection. The SWELLTITE product line combines proven active waterproofing benefits of sodium bentonite, with the strength and puncture resistance of geomembrane liners. If water circumvents the liner layer, the bentonite activates, swelling to stop water movement and infiltration.



·Easy handling and installation. No special equipment required.
·Can be applied to walls as soon as the forms are stripped.
·Dual waterproofing protection.
·No release paper. Eliminates peel & disposal problems.
·Protection board not required for most jobs.
·Active, can seal small cracks and voids.

SWELLTITE split-slab plaza deck detail.

SWELLITITE installed directly to a concrete wall as soon as the forms are removed.

Click image for more info.
Catalog page:146