
Variform Outside Corner Post 5-1/2 in. x 20 ft. Vinyl Siding Trim, Dover White
Regular price $179.00Orders start at $399 — combine any items to reach the minimum. Learn more
Variform Outside Corner Post 5-1/2 in. x 20 ft. Vinyl Siding Trim, Dover White
This Variform outside corner post finishes outside wall corners on vinyl siding installations. It is formed from durable, high-performance vinyl in Dover White and measures 5-1/2 in. wide by 20 ft. long. One post is included per sell unit; pair it with Variform siding panels for straight, true corners year after year.
Key Features:
- Stays Straight: Specially designed corner posts that stay straight and true year after year.
- Low Maintenance: Constructed of durable, high-performance vinyl for low-maintenance upkeep.
- Easy Installation: Engineered for easy installation as expert corner-board framing.
- Design Choice: Available in smooth and fluted designs to frame corners in style.
- 20 ft. Length: One 20 ft. post covers two full outside corners on most two-story wall runs.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Variform |
| Sell unit | 1 piece, 5-1/2 in. x 20 ft. |
| Product line | Variform siding accessories |
| Available colors | Dover White |
| Available sizes | 5-1/2 in. x 20 ft. |
| Material | High-performance vinyl |
| Color / finish | Dover White |
| Nominal size | 5-1/2 in. x 20 ft. |
| Length | 20 ft. |
| Width | 5-1/2 in. |
| Designs | Smooth and fluted designs available |
| Intended use | Outside corner trim for vinyl siding |
Coverage & How Much You Need:
One 20 ft. post trims a 20 ft. vertical corner run, enough for both outside corners of a typical one-story wall from a single piece. Measure each corner height and add trim and waste allowance when sizing the job.
Fit and Compatibility:
Designed for use with Variform vinyl siding panels and matching Variform starter, trim and finishing accessories. Not intended for inside corners, which require the matching inside corner post sold separately.
Frequently Asked Questions (FAQ):
Q: What is included with this item?
A: One Dover White outside corner post, 5-1/2 in. wide by 20 ft. long, sold per piece.
Q: How many posts do I need?
A: Measure each outside corner height; a 20 ft. post typically covers an entire one-story corner, so order one post per corner plus waste.
Q: How is it installed?
A: The post is nailed through the nailing hem to the sheathing at wall corners, with siding panels cut to slide into the post channels.
Q: Does it need painting or sealing?
A: No. The high-performance vinyl is finished in Dover White color throughout and requires no painting.
Q: Are other colors or profiles available?
A: This listing stocks the 5-1/2 in. x 20 ft. post in Dover White; Variform offers smooth and fluted corner-post designs in other colors through the Variform line.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Corner posts are the most visible trim on a siding job, so keep the same brand family throughout for an exact color and profile match. Fasten the post plumb before setting siding, nailing snugly rather than overdriving to allow vinyl movement. On tall gables, plan splices so the overlap sits above eye level.
Use proper ladder and fall protection when trimming wall corners above ground level.
Order the Variform 5-1/2 in. x 20 ft. Dover White outside corner post for clean, weather-tight corners on your next siding job.
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