INSTALLATION GUIDE NICHIPRODUCTS

1 1 INSTALLATION GUIDENICHIPRODUCTSNICHIHA INSTALLATION GUIDE FOR NICHIPRODUCTS2 INSTALLATION GUIDENICHIPRODUCTSTABLE OF CONTENTSG eneral Instructions 3 Product Inspection 3 Storage & Handling 4 Minimum Clearances 4 Blocked Penetrations 5 Cutting 5 Fastening 5 Finishing & Maintenance 6 Safety Instructions 7 NichiBoard

2 8 Preparation 8 Fastening 8 INSTALLATION 9 NichiShake 12 Preparation 12 Fastening 12 INSTALLATION 13 NichiStaggered & NichiStraight 15 INSTALLATION 16 NichiPanel 20 Fastening

3 21 INSTALLATION 22 Joint Methods 22 Trimming openings and siding to Trim Joints 24 NichiTrim 25 Preparation 25 Fastening 25 Trimming Inside & Outside Corners 26 Trimming Windows, Doors, & Openings 26 Fascia, Frieze Boards, Rake Trim, & etc.

4 27 NichiSoffit 28 Preparation 28 Fastening 28 INSTALLATION 29 Joint Methods 29 Finishing 29 Additional Details 30 Blocked Penetrations 30 Integral J Channel Flashing 31 3 GENERAL INSTRUCTIONS FOR ALL NICHIPRODUCTS CONSTRUCTION REQUIREMENTS These instructions are only intended for site construction applications.

5 For applications on modular, panelized, or manufactured housing, please contact Nichiha directly. NICHIPRODUCTS must be installed on flat, vertical wall applications only. Do not install on sloped or tilted walls, or Mansard type can be installed directly on braced wood or steel stud* (20GA or heavier) construction spaced at a maximum of 24 or over sheathing with solid wood or steel backing. Correct any misaligned framing as irregularities in the framing or exterior sheathing may mirror through the finished application.

6 When installing NICHIPRODUCTS , it is recommended that an APA rated 7/16 OSB or plywood sheathing be used. NICHIPRODUCTS may be installed over non-structural sheathing such as foam, fiber builder board, and gypsum type panels. Non-structural sheathing thickness shall not exceed 1 . Due to the compressive nature of some non-structural sheathing, care must be taken not to overdrive the fastener and compress the sheathing which may result in distortion or waviness. The fastener length must be increased in accordance with the thickness of the non-structural and lap siding products must be installed horizontally.

7 Do not install in an angled, sloped, or other non-horizontal (chevron, sunburst, diamond) fashion. A weather resistive barrier is required in accordance with local building codes when installing NICHIPRODUCTS . Use the approved weather resistive barrier (WRB) as defined by the 2015 IRC. The weather resistive barrier must be installed in accordance with the manufacturer s specifications and local codes if applicable. Nichiha is not liable for water consult with your local dealer or Nichiha directly when using NICHIPRODUCTS on large projects, such as buildings greater than three (3) stories or taller than 45 also to Intertek CCRR-0258 for fastening adjustments required for higher-wind locations.

8 PRODUCT INSPECTION Inspect all products thoroughly prior to INSTALLATION . Do not install any product which may have been damaged in shipment or displays damage to the primer or finish your local dealer or Nichiha Customer Service Representative toll-free at 1-866-424-4421 immediately should you have any questions about NICHIPRODUCTS .NICHIHA INSTALLATION GUIDE FOR NICHIPRODUCTS4 STORAGE & HANDLINGN ichiProducts MUST be stored flat and off the ground prior to INSTALLATION .

9 Nichiha recommends storing on MUST be kept dry and stored in a covered area. Material on-site must be covered with a tarp before INSTALLATION . Moisture saturation before INSTALLATION may result in shrinkage or board damage. Do not install saturated the products on edge. Do not carry or lift NICHIPRODUCTS flat. Improper handling may cause cracking or board is not responsible for damage caused by improper storage and handling of NICHIPRODUCTS . MINIMUM CLEARANCESC omply with local codes for minimum siding a minimum 1 - 2 clearance* between NICHIPRODUCTS and decking, walks, steps, stoops, porches, and hard surface driveways.

10 (Fig. )Maintain a minimum clearance of 6 above finished grade, or in accordance with local codes if greater than 6 clearance is required. (Fig )At roof and wall junctures and according to roofing manufacturer s instructions, flashing and counter-flashing are required. NICHIPRODUCTS must be installed with a minimum 1-2 clearance* from roofing. (Fig )A kickout flashing must be present at roof to wall intersects in order to direct roof water away from the siding and trim. (Fig )All horizontal trim is required to be flashed with a clearance between the siding and flashing.