TDS

Product Submittal Sheet

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Engineering Services: 877-832-3206

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clarkdietrich.com

Strait-Flex® Wide-Flex

Flexible Corner Bead - Paper-Faced Composite

Strait-Flex Wide-Flex, is a muddable, paper-faced composite corner bead, that adjusts to any

angle to create perfect inside and outside 90° and off-angle corners. This 4" tape features a

pre-finished surface with a PUR-laminated nose ensuring perfect corners without paper fuzz-up

during finishing and sanding. The tape's outer edge features a diamond punch pattern for a

superior bond, faster drying, with no rippling or blistering.

• Outside corners where large gaps in drywall are present.

• Outside corners for double 5/8" drydwall.

• Hard-to-straighten outside corners, hard-to-straighten vaulted ceilings.

• Great for vaulted, coffered, tray and cathedral ceilings.

Product Data & Ordering Information:

Product Code Width Length Rolls/Case Cases/Pallet

WF-100 4" 100' 7 24

ASTM & Code Standards:

• ASTM C1047 - Standard Specification for Accessories for Gypsum Wallboard

• SDS & Product Certification Information is available at www.clarkdietrich.com/SupportDocs

Installation:

Make sure the surfaces of the corner are clean and smooth. Measure corner and subtract 1/2". (1)

For accurate measuring of Strait-Flex® Wide-Flex and less waste, feed roll through slot on top of

box. Hook tape measure on the hole below. (2) Fold Wide-Flex in half with the print side facing

out. (3) For outside corners, fold more than the desired angle. For inside corners, fold less than

desired angle. (4) Most professionals prefer to cut the ends of Wide-Flex at a 45º angle. (5)Apply

a liberal coat of all-purpose joint compound to both sides of the corner with a 4" or 5" taping

knife.(6) Press Wide-Flex into the wet compound. Adjust, if necessary, to create a straight line. (7)

Wipe down tight with taping knife using a little additional pressure on the outer edges. Let dry

completely over several hours or overnight. (8) Apply a light skim coat of compound to the outer

edges of Wide-Flex with a 4" or 5" taping knife. No compound is required over the laminated area

of Wide-Flex. Wipe down tight and smooth. Let dry completely over several hours or overnight. (9)

Apply the final coat of joint compound with a 6" or 8" taping knife. Feather the compound beyond

previous coat. A very light coat of compound is all that’s needed. Using lightweight compound in

this step makes sanding easier. Let dry completely over several hours or overnight. (10) Sand

lightly with 120 grit sandpaper. Wide-Flex will not fuzz-up like paper or mesh tapes.

Storage

All stored materials shall be kept dry. Materials shall be stacked off the ground, supported on a

level platform, and protected from weather and moisture.

09.22.00 (Support for Plaster & Gypsum Board)

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