TruWood® Siding Accessories

Complete Your Siding Project with Corners and Joint Covers

TruWood® Corners and Joint Covers are perfect-fitting siding accessories manufactured from high-quality, prime coated aluminum. With Tru protection from weather and Tru beauty for any home, TruWood® corners and joint covers offer everything you need — and then some.

Simplicity Tool accessories are designed to pair with TruWood® Siding | Trim. Browse their website or call 503.253.2000.

Features & Benefits

  • High-quality aluminum for durability
  • Precision engineered for quick and easy installation
  • Pre-primed
  • Added weather protection
  • Custom embossed to match TruWood® Old Mill® surface

Resists mildew, rot, and termite damage. Naturally-occuring additive, safe for use around children and pets.

Meets the requirements of the following:

  • 2024 International Building Code
  • 2024 International Residential Code
  • ICC ESR-2588
  • ANSI A135.6-2012 (R2020)
  • Wildland-Urban Interface (WUI) Approved*
  • Fire rating = Class C
  • R Value = 0.67 (hour) (Sq. Ft.) (Fahrenheit) per BTU
  • 1/2 in. Lap Siding = No Shear Value


  • Framing must not exceed 16 in. on center.
  • Minimum 5/8 in. Type-X gypsum exterior sheathing is required.

CAL. PROP 65 WARNING: Use of this product may result in exposure to wood dust, known to the State of California to cause cancer.

High-quality corners and joint covers are available for every TruWood® Lap Siding product. Ask your TruWood® distributor for assistance in selecting the sizes and quantities you need:

  • Self-Aligning — 1/2 in Lap Siding
  • Cottage Lap® — 1/2 in Lap Siding
  • Sure Lock™ Six Cottage Lap® — 1/2 in Lap Siding
  • Channel Rustic™ — 1/2 in Lap Siding
  • Sure Lock™ — 1/2 in Lap Siding
  • 7/16 in and 1/2 in — Lap Siding
  • Cedar Shake — 1/2 in Lap Siding