Field guides
Deep field guides that explain pathways, timing, documentation, repair sequence and verification.
How occupancy changes moisture and air quality in the attic
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around roof deck, insulation, ducts and ceiling penetrations.
How occupancy changes moisture and air quality in the basement
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around below-grade walls, floor edges, drains and stored materials.
How occupancy changes moisture and air quality in the bathroom
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around showers, drains, seals, extract ventilation and wet-room layers.
How occupancy changes moisture and air quality in the bedroom
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around overnight occupancy, closed doors, cold corners and windows.
How occupancy changes moisture and air quality in the crawl space
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around ground cover, joists, vents, ducts and foundation walls.
How occupancy changes moisture and air quality in the electrical system
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around outlets, circuits, panels, fixtures and equipment.
How occupancy changes moisture and air quality in the exterior wall
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around cladding, drainage plane, insulation and interior finish.
How occupancy changes moisture and air quality in the foundation
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around grade, drainage, cracks, slab edges and below-grade moisture.
How occupancy changes moisture and air quality in the heating system
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around equipment cycles, pipes, emitters, flues and controls.
How occupancy changes moisture and air quality in the kitchen
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around sinks, appliances, cooking moisture and concealed connections.
How occupancy changes moisture and air quality in the laundry room
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around washer connections, dryer exhaust, drains and humidity.
How occupancy changes moisture and air quality in the roof
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around coverings, flashings, penetrations, drainage and wind exposure.
How occupancy changes moisture and air quality in the ventilation system
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around extract, supply, filters, ducts and pressure pathways.
How occupancy changes moisture and air quality in the window
How occupancy changes moisture and air quality by reading sleeping, cooking, showering, closed doors and extract operation around glass, frame, seals, flashing, sill and surrounding wall.
How to separate an active problem from an old mark in the attic
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around roof deck, insulation, ducts and ceiling penetrations.
How to separate an active problem from an old mark in the basement
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around below-grade walls, floor edges, drains and stored materials.
How to separate an active problem from an old mark in the bathroom
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around showers, drains, seals, extract ventilation and wet-room layers.
How to separate an active problem from an old mark in the bedroom
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around overnight occupancy, closed doors, cold corners and windows.
How to separate an active problem from an old mark in the crawl space
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around ground cover, joists, vents, ducts and foundation walls.
How to separate an active problem from an old mark in the electrical system
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around outlets, circuits, panels, fixtures and equipment.
How to separate an active problem from an old mark in the exterior wall
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around cladding, drainage plane, insulation and interior finish.
How to separate an active problem from an old mark in the foundation
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around grade, drainage, cracks, slab edges and below-grade moisture.
How to separate an active problem from an old mark in the heating system
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around equipment cycles, pipes, emitters, flues and controls.
How to separate an active problem from an old mark in the kitchen
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around sinks, appliances, cooking moisture and concealed connections.
How to separate an active problem from an old mark in the laundry room
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around washer connections, dryer exhaust, drains and humidity.
How to separate an active problem from an old mark in the roof
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around coverings, flashings, penetrations, drainage and wind exposure.
How to separate an active problem from an old mark in the ventilation system
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around extract, supply, filters, ducts and pressure pathways.
How to separate an active problem from an old mark in the window
How to separate an active problem from an old mark by reading edge change, moisture trend, odor, finish condition and trigger recurrence around glass, frame, seals, flashing, sill and surrounding wall.
How to verify that a repair actually worked in the attic
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around roof deck, insulation, ducts and ceiling penetrations.
How to verify that a repair actually worked in the basement
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around below-grade walls, floor edges, drains and stored materials.
How to verify that a repair actually worked in the bathroom
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around showers, drains, seals, extract ventilation and wet-room layers.
How to verify that a repair actually worked in the bedroom
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around overnight occupancy, closed doors, cold corners and windows.
How to verify that a repair actually worked in the crawl space
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around ground cover, joists, vents, ducts and foundation walls.
How to verify that a repair actually worked in the electrical system
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around outlets, circuits, panels, fixtures and equipment.
How to verify that a repair actually worked in the exterior wall
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around cladding, drainage plane, insulation and interior finish.
How to verify that a repair actually worked in the foundation
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around grade, drainage, cracks, slab edges and below-grade moisture.
How to verify that a repair actually worked in the heating system
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around equipment cycles, pipes, emitters, flues and controls.
How to verify that a repair actually worked in the kitchen
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around sinks, appliances, cooking moisture and concealed connections.
How to verify that a repair actually worked in the laundry room
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around washer connections, dryer exhaust, drains and humidity.
How to verify that a repair actually worked in the roof
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around coverings, flashings, penetrations, drainage and wind exposure.
How to verify that a repair actually worked in the ventilation system
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around extract, supply, filters, ducts and pressure pathways.
How to verify that a repair actually worked in the window
How to verify that a repair actually worked by reading recreating the trigger, repeating measurements and monitoring recurrence around glass, frame, seals, flashing, sill and surrounding wall.
How water moves before a stain appears in the attic
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around roof deck, insulation, ducts and ceiling penetrations.
How water moves before a stain appears in the basement
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around below-grade walls, floor edges, drains and stored materials.
How water moves before a stain appears in the bathroom
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around showers, drains, seals, extract ventilation and wet-room layers.
How water moves before a stain appears in the bedroom
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around overnight occupancy, closed doors, cold corners and windows.
How water moves before a stain appears in the crawl space
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around ground cover, joists, vents, ducts and foundation walls.
How water moves before a stain appears in the electrical system
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around outlets, circuits, panels, fixtures and equipment.
How water moves before a stain appears in the exterior wall
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around cladding, drainage plane, insulation and interior finish.
How water moves before a stain appears in the foundation
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around grade, drainage, cracks, slab edges and below-grade moisture.
How water moves before a stain appears in the heating system
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around equipment cycles, pipes, emitters, flues and controls.
How water moves before a stain appears in the kitchen
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around sinks, appliances, cooking moisture and concealed connections.
How water moves before a stain appears in the laundry room
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around washer connections, dryer exhaust, drains and humidity.
How water moves before a stain appears in the roof
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around coverings, flashings, penetrations, drainage and wind exposure.
How water moves before a stain appears in the ventilation system
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around extract, supply, filters, ducts and pressure pathways.
How water moves before a stain appears in the window
How water moves before a stain appears by reading water pathways, gravity, capillary action and concealed horizontal travel around glass, frame, seals, flashing, sill and surrounding wall.
How weather timing changes the likely cause in the attic
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around roof deck, insulation, ducts and ceiling penetrations.
How weather timing changes the likely cause in the basement
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around below-grade walls, floor edges, drains and stored materials.
How weather timing changes the likely cause in the bathroom
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around showers, drains, seals, extract ventilation and wet-room layers.
How weather timing changes the likely cause in the bedroom
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around overnight occupancy, closed doors, cold corners and windows.
How weather timing changes the likely cause in the crawl space
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around ground cover, joists, vents, ducts and foundation walls.
How weather timing changes the likely cause in the electrical system
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around outlets, circuits, panels, fixtures and equipment.
How weather timing changes the likely cause in the exterior wall
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around cladding, drainage plane, insulation and interior finish.
How weather timing changes the likely cause in the foundation
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around grade, drainage, cracks, slab edges and below-grade moisture.
How weather timing changes the likely cause in the heating system
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around equipment cycles, pipes, emitters, flues and controls.
How weather timing changes the likely cause in the kitchen
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around sinks, appliances, cooking moisture and concealed connections.
How weather timing changes the likely cause in the laundry room
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around washer connections, dryer exhaust, drains and humidity.
How weather timing changes the likely cause in the roof
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around coverings, flashings, penetrations, drainage and wind exposure.
How weather timing changes the likely cause in the ventilation system
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around extract, supply, filters, ducts and pressure pathways.
How weather timing changes the likely cause in the window
How weather timing changes the likely cause by reading rain intensity, wind direction, thaw, humidity and delay around glass, frame, seals, flashing, sill and surrounding wall.
What to photograph before opening a wall or ceiling in the attic
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around roof deck, insulation, ducts and ceiling penetrations.
What to photograph before opening a wall or ceiling in the basement
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around below-grade walls, floor edges, drains and stored materials.
What to photograph before opening a wall or ceiling in the bathroom
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around showers, drains, seals, extract ventilation and wet-room layers.
What to photograph before opening a wall or ceiling in the bedroom
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around overnight occupancy, closed doors, cold corners and windows.
What to photograph before opening a wall or ceiling in the crawl space
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around ground cover, joists, vents, ducts and foundation walls.
What to photograph before opening a wall or ceiling in the electrical system
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around outlets, circuits, panels, fixtures and equipment.
What to photograph before opening a wall or ceiling in the exterior wall
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around cladding, drainage plane, insulation and interior finish.
What to photograph before opening a wall or ceiling in the foundation
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around grade, drainage, cracks, slab edges and below-grade moisture.
What to photograph before opening a wall or ceiling in the heating system
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around equipment cycles, pipes, emitters, flues and controls.
What to photograph before opening a wall or ceiling in the kitchen
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around sinks, appliances, cooking moisture and concealed connections.
What to photograph before opening a wall or ceiling in the laundry room
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around washer connections, dryer exhaust, drains and humidity.
What to photograph before opening a wall or ceiling in the roof
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around coverings, flashings, penetrations, drainage and wind exposure.
What to photograph before opening a wall or ceiling in the ventilation system
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around extract, supply, filters, ducts and pressure pathways.
What to photograph before opening a wall or ceiling in the window
What to photograph before opening a wall or ceiling by reading wide context, close detail, scale, dates and surrounding systems around glass, frame, seals, flashing, sill and surrounding wall.
Why cosmetic repair can hide a continuing failure in the attic
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around roof deck, insulation, ducts and ceiling penetrations.
Why cosmetic repair can hide a continuing failure in the basement
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around below-grade walls, floor edges, drains and stored materials.
Why cosmetic repair can hide a continuing failure in the bathroom
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around showers, drains, seals, extract ventilation and wet-room layers.
Why cosmetic repair can hide a continuing failure in the bedroom
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around overnight occupancy, closed doors, cold corners and windows.
Why cosmetic repair can hide a continuing failure in the crawl space
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around ground cover, joists, vents, ducts and foundation walls.
Why cosmetic repair can hide a continuing failure in the electrical system
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around outlets, circuits, panels, fixtures and equipment.
Why cosmetic repair can hide a continuing failure in the exterior wall
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around cladding, drainage plane, insulation and interior finish.
Why cosmetic repair can hide a continuing failure in the foundation
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around grade, drainage, cracks, slab edges and below-grade moisture.
Why cosmetic repair can hide a continuing failure in the heating system
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around equipment cycles, pipes, emitters, flues and controls.
Why cosmetic repair can hide a continuing failure in the kitchen
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around sinks, appliances, cooking moisture and concealed connections.
Why cosmetic repair can hide a continuing failure in the laundry room
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around washer connections, dryer exhaust, drains and humidity.
Why cosmetic repair can hide a continuing failure in the roof
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around coverings, flashings, penetrations, drainage and wind exposure.
Why cosmetic repair can hide a continuing failure in the ventilation system
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around extract, supply, filters, ducts and pressure pathways.
Why cosmetic repair can hide a continuing failure in the window
Why cosmetic repair can hide a continuing failure by reading source control, drying, damaged layers and finish restoration around glass, frame, seals, flashing, sill and surrounding wall.
Why the visible damage may be far from the source in the attic
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around roof deck, insulation, ducts and ceiling penetrations.
Why the visible damage may be far from the source in the basement
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around below-grade walls, floor edges, drains and stored materials.
Why the visible damage may be far from the source in the bathroom
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around showers, drains, seals, extract ventilation and wet-room layers.
Why the visible damage may be far from the source in the bedroom
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around overnight occupancy, closed doors, cold corners and windows.
Why the visible damage may be far from the source in the crawl space
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around ground cover, joists, vents, ducts and foundation walls.
Why the visible damage may be far from the source in the electrical system
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around outlets, circuits, panels, fixtures and equipment.
Why the visible damage may be far from the source in the exterior wall
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around cladding, drainage plane, insulation and interior finish.
Why the visible damage may be far from the source in the foundation
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around grade, drainage, cracks, slab edges and below-grade moisture.
Why the visible damage may be far from the source in the heating system
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around equipment cycles, pipes, emitters, flues and controls.
Why the visible damage may be far from the source in the kitchen
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around sinks, appliances, cooking moisture and concealed connections.
Why the visible damage may be far from the source in the laundry room
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around washer connections, dryer exhaust, drains and humidity.
Why the visible damage may be far from the source in the roof
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around coverings, flashings, penetrations, drainage and wind exposure.
Why the visible damage may be far from the source in the ventilation system
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around extract, supply, filters, ducts and pressure pathways.
Why the visible damage may be far from the source in the window
Why the visible damage may be far from the source by reading layers, framing, membranes, pipes and low points around glass, frame, seals, flashing, sill and surrounding wall.