Wood science · 7 min study guide
Moisture: measure before you install
Read moisture conditions, document a representative sample and avoid calendar-only acclimation rules.
Read guide & checklistEHCI Learning & Certification
Eight focused study guides connect exterior hardwood principles to practical decisions, source references and downloadable checklists.
8 guides found
Wood science · 7 min study guide
Read moisture conditions, document a representative sample and avoid calendar-only acclimation rules.
Read guide & checklistMaterials · 6 min study guide
Compare durability, movement, sourcing and working properties without confusing hardness with structural capacity.
Read guide & checklistSystems · 7 min study guide
Evaluate fastener material, environment, wood profile and connector compatibility together.
Read guide & checklistApplications · 8 min study guide
Organize a deck review around loads, connections, drainage and jurisdiction-specific requirements.
Read guide & checklistApplications · 7 min study guide
Treat hardwood boards as one layer of an enclosure, not the complete weather barrier.
Read guide & checklistMaintenance · 6 min study guide
Separate appearance, moisture protection and maintenance obligations when choosing a finish.
Read guide & checklistSafety · 6 min study guide
Recognize wood-dust exposure and organize controls before cutting, sanding or machining.
Read guide & checklistProfessional practice · 6 min study guide
Build a traceable project record that distinguishes training, assessment and demonstrated work.
Read guide & checklist