M-D Building Products 9365 Premium High Threshold with Vinyl Seal, 36" L x 3-3/4" W x 1-1/8" H, Brite Gold All season protection against drafts, moisture, dust and insects Heavy duty aluminum and vinyl for long lasting seal and durability Vinyl strips on base provide a weathertight seal against floor Seals gaps up to 1 inch high 3-3/4-inches wide by 1-1/8-inches high by 36 inches long