Exact Dimensions for Replacement-This replacement sill cap measures 36 inches in length, 1-21/ 32 inches in width, and has a height of 1-5/ 32 Inches; Designed as a high dam model, this cover is intended to fit a variety of exterior door applications; The material can be cut with standard tools to adjust the length, allowing it to accommodate specific doorway widths where a full 36-inch piece is not required | Durable Vinyl Construction - Crafted from sturdy vinyl material with reinforcing ribs for added wear resistance, this door threshold replacement resists warping, cracking, and decay over time; Ideal for long-lasting protection on exterior door thresholds and vinyl sill caps | Easy Trim-To-Fit Installation - Easy cutting to any custom size for precise fit; Slide rear legs between sill support and floor, then secure with brad nails (avoid other fasteners to prevent cracking); Straightforward DIY setup for door threshold cap replacements | Effective Protection- Features high dam structure that overlaps aluminum base plates to form a tight seal with door weatherstripping; Effectively blocks air, water, drafts and insects in exterior door threshold applications and fixed vinyl sil