{"id":"41dd6036-4084-4a58-83a4-02f05b6960fb","task":"Install fiber-cement siding per James Hardie best-practice requirements (clearances, fastening)","domain":"jameshardie.com","steps":["Maintain a minimum 6 inch clearance between the bottom of the siding and finished grade, with grade sloping away from the foundation","Maintain the clearance specified for the product/climate zone at roof lines, decks, and other horizontal surfaces, and never let siding remain in contact with standing water","Use blind-nailing as the preferred fastening method for lap siding; use face-nailing only where required by code for high-wind areas, and do not mix the two methods on one course","Use corrosion-resistant fasteners sized and spaced per the current instructions for the specific product line and sheathing/substrate combination","Reference the specific, current installation instructions for the product and climate zone (HZ5 vs HZ10) being installed rather than a generic older sheet"],"gotchas":["Clearance and fastening details vary by product line and climate zone — pull the exact instruction sheet for the product being installed rather than assuming one set of numbers applies everywhere","Installing outside the current published instructions can void the manufacturer's warranty even when the wall performs acceptably"],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/41dd6036-4084-4a58-83a4-02f05b6960fb"}