before installation store Cypress in an area that is undercover dry and well ventilated so that it achieves it's in service moisture content before installing the siding with the bottom course blocked out with a starting strip the same thickness as the top of the siding board install Cypress sighting over standard shaving material such as building felt paper or a water repellent wind barrier with a maximum stud spacing of 16 inch on center will be using stainless steel siding nails with a quarter inch head long enough to penetrate 1 and 1/2 inches into studs with a blunt point to reduce splitting of the siding begin by determining the lap the minimum lap for bevel sighting should not be less than 1 inch remember to account for shaving material when determining nail length ring shank or thread shank nails will provide increased holding power but must penetrate studs at least 1 inch each succeeding course will overlap the upper edge of the lower course nail deciding to each stud or on 16 inch centers approximately 1 eighths of an inch above the overlap for caulking we suggest a high-grade non hardening acrylic to seal gaps around windows doors corners or other exterior joints before finishing repair all nail holes and surface irregularities all surface should be clean and caulking should be in good condition you you