Cypress is a superior exterior siding material that offers natural beauty, with a rich grain, texture, and color that complements any architectural style. A naturally occurring preservative called cypressene makes cypress extremely decay, rot, and insect resistant. Cypress typically requires less repair and maintenance because of natural weathering, durability, cracking, and stability characteristics. Before we begin, please note that these instructions may be more restrictive than local building codes, but local building codes must be followed in instances when they are more stringent. Cypress is manufactured to perform under ordinary service conditions when stored properly, installed on structures with proper vapor retarders and ventilation, and finished and maintained in accordance with the following instructions. Cypress siding is a quality wood product dried in accordance to the Standard Specifications for Grades of Southern Cypress. Finish grades contain a maximum moisture content of 15%, whereas Common grades contain a maximum of 18%. Before installation, store cypress in an area that is undercover, dry and well-ventilated so that it achieves its in-service moisture content. Apply a finish to all surfaces, including ends. Factory applied finishes are best. In addition, walls should be designed with a vapor barrier, such as 6 mil polyethylene or foil-backed insulation to prevent moisture vapor from within the exterior wall cavity. Install cypress siding over ...
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