Timberline Natural Shadow Barkwood shingles offer protection from algae growth, while providing a natural shadow effect on your roof. These architectural shingles come in a bundle of 33.3 sq. ft., making them easy to install and providing ample coverage for your roofing needs. Improve the appearance and longevity of your roof with Timberline Natural Shadow Barkwood shingles. Designed to resist algae growth and providing a stylish, shadowy effect, these architectural shingles cover 33.3 sq. ft. per bundle and are simple to install. Trust in the quality and coverage of Timberline Natural Shadow Barkwood shingles for your roofing needs.