DESIGNED for outside 90° corners where large voids and irregularities occur
Diamond-punched paper edging allows for easier feathering, faster drying, and the highest bonding strength.
OS-400 can also be used on double 5/8" drywall applications. The diamond-punched paper edging allows for easier feathering, faster drying, and the highest bonding strength. Also guarantees an even lay-down of the paper, providing maximum adhesion with no rippling or blistering. Apply with all-purpose joint-compound.
- Double 5/8" drywall applications and outside 90° corners where there are large drywall irregularities
- Clean installation
- Composite backing provides a tough, durable corner with no rust
- Nose resists dents and ensures perfect corners without paper fuzz-up during finishing and sanding
Product Data & Ordering Information
| Product code | Width | Length | Wholesale Case | |
|---|---|---|---|---|
| Pcs/Case Pack | Cases/Pallet | |||
| OS400-8 | 4" | 8' | 50pcs (400 lf) | 32 |
| OS400-9 | 9' | 50pcs (450 lf) | 32 | |
| OS400-10 | 10' | 50pcs (500 lf) | 32 | |
| OS400-12 | 12' | 50pcs (600 lf) | 32 | |
Installation
- Measure wall height and subtract 1/2”. Measure and cut OS-400 using a scissors or utility knife.
- With a 4” or 5” taping knife, apply a smooth, liberal coat of all-purpose compound to corner.
- Press OS-400 into the wet compound. Adjust if necessary to create a straight line.
- Wipe down tight with taping knife using a little additional pressure on the outer edges of OS-400. Immediately apply a light skim coat of compound over surface. Wipe down tight and smooth. Let dry completely over several hours or overnight.
- With a 6” or 8” taping knife, apply your final coat of compound feathering the compound beyond previous coat. Let dry completely over several hours or overnight
- Sand lightly with 120 grit sandpaper. OS-400 will not fuzz-up like paper or mesh tapes.
ASTM & Code Standards:
- ASTM C1047 - Standard Specification for Accessories for Gypsum Wallboard
- SDS & Product Certification Information
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.
Product Submittal Sheets
Click the below Product Code to view Submittal/Tech Datasheet.
| Product Code | Description |
|---|---|
| OS-400 | Strait-Flex OS-400 |
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