What to observe
Nail location: shingle field, edge, ridge, flashing or penetration.
An exposed nail may result from misplaced fastening, deck movement, damaged shingles or flashing details. Covering it with sealant without diagnosing the cause may only hide the problem.
Nail location: shingle field, edge, ridge, flashing or penetration.
Water evidence in attic or ceiling after rain and wind.
Active water, soft decking, many lifted fasteners or unsafe height access = stop and obtain an assessment.
These links connect this page to the next useful checks and decisions without repeating the full content.
This section connects envelope, air, fire, structure, water and code instead of treating each project in isolation.
This section connects water, soil, climate, safety, materials and seasonal use to existing projects.
This section completes gas, soil, water, fire, climate and structural interfaces.
This section connects systems that become costly or regulated when a primary project triggers them.
This section covers interfaces that become important when multiple home systems interact.
This section connects systems that cross utility, plumbing, HVAC, envelope and metering boundaries.
This section connects payment, water, envelope, ventilation and jobsite details that often create costly surprises.
This section connects small details that become costly once finishes are closed.
This section connects projects where multiple systems, owners or rules meet.
This section connects contamination, storm damage, legacy materials and recommissioning before rebuilding.
These details are small on a drawing but can control water, structure or durability.