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Corner Flash™
GS Flex

Corner Flash™ GS Flex corner flashing is designed to improve the flashing system performance at the corners of window and doors. GS flex may be used to create Membrane Pan® systems for use under windows and doors. GS Flex is especially useful in any Transitional flashing condition. Parapet walls, columns, handrails, roof to wall conditions and recessed window soffit returns are all improved with GS Flex. Additionally, GS Flex may be used to flash recessed window installations. GS Flex is made from flexible PVC. It is injection molded allowing you to save money. GS Flex has dimensions of 4 inches in every direction. GS Flex has additional uses including flashing at soffit returns and parapet wall flashing.

For orders over 2000 pieces or to locate your local distributor of Corner Flash™ GS Flex, please call us at 800.310.7673.

Anywhere in California please visit your local White Cap Construction Supply.

In San Diego, please visit Sunshine Supply.

See a step-by-step installation

So How Does It Work?
View our detailed installation instructions

 

Door Pan Usage
GS Flex "A" piece is placed on top of the concrete slab with sealant. See detailed installation instructions

Door pan is created with Dupont Straight Flash and rear "L" metal. This pan is versatile and cost effective. These pans always fit the rough openings, always less money than metal pans, always effective in protecting the home from water intrusion. See detailed installation instructions


Window Usage
GS Flex "A" piece is designed to reinforce the flashing methods at outside or inside corners. It is especially useful in creating Membrane Pans® See detailed installation instructions

Alternate view of the GS Flex "A" piece. GS Flex improves overall flashing system performance. See detailed installation instructions

GS Flex "A" and "B" pieces are designed to fit together to reinforce the flashing at the most difficult areas of a recessed opening or other transitional flashing area. See detailed installation instructions

GS Flex "B" is designed to reinforce the flashing at inside or outside corners depending on their application. See detailed installation instructions


Parapet Wall Usage
Parapet walls and hand rails present special flashing challenges.

Start process by applying a high quality building paper.

Next, apply the GS Flex Corners. GS Flex "A" pieces are used as inside corners while the GS Flex "B" pieces are used as outside corners.
Water proof membrane is applied starting at the lowest area and moving upwards.

Notice the simple methods and cuts that are used.

No "Origami" cuts and folds; no butterfly strips are necessary.
These corners are beautifully flashed. They are very strong and durable as well.
 

Column Usage

Building paper is applied starting low and working high.
GS Flex "B" corners are applied on all four corners.

GS Flex "B" corners are durable and tough. They protect the outside corners from damage during the course of construction as well as effectively flash difficult areas.

Water proof membrane flashing is applied on top of the GS Flex corners.

This column looks great and is very water proof.

 
 

What are people saying about us?
Gene was referred to us as a defense expert for an exclusive custom home in Bel Aire, California. We represented the window manufacturer who was being sued for defective product. The home was a mess. The home definitely had serious water intrusion problems. Initially, the plaintiffs brought action against the window manufacturer only. Everyone was certain the windows were the sole cause of the water intrusion experienced by this homeowner. Gene was the first expert to predict that the windows and doors may be fine, that the manufacturer may not have any responsibility. He brought in his team of testing experts, and was able to successfully demonstrate that the home had many serious water intrusion problems; the windows and doors however did not appear to contribute any water into the home. The insurance carrier and the window manufacturer are thrilled with Gene's expertise. He may have saved them as much as a million dollars in costs of litigation and repair. I would highly recommend Gene Summy as a defense expert to any attorney in need of a true professional.
- Keith Cooper, Esquire
San Francisco, California
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