For application on new or properly reconditioned wood, including siding, shingles, shakes, fences, roofs and log homes. Provide long-lasting, vapor permeable protection that beautifies and enriches exterior wood surfaces. For all types of natural wood siding and shingles. Water repellent and resistant to mildew and fungus growth. Formulated to weather slowly over time. Can also be applied to new, unprimed fiber cement siding. Dries to a natural, flat finish. On smooth surfaces, covers 200-300 sq. ft. pergallon; on rough surfaces, 100-200 sq. ft. per gallon.