Product Brochure

6
The Consequences of Excess Moisture
If the building envelope is not sufficiently airtight, moist room air can penetrate a wall, condense and cause damage.
Just a 0.04"-wide gap can allow up to 1 oz./ft
2
water per day to penetrate the wall. On the other hand, an airtight
home that does not properly manage moisture can actually trap moisture in.
 Mold: Moisture buildup can cause
health issues through mold growth
that releases potentially harmful
spores into the air.
Sick Building Syndrome:
Mold issues, especially in airtight
buildings, can cause occupants
to experience acute health and
comfort problems associated
with time spent in the building.
Rot: Persistent moisture can
eventually cause expensive
structural damage.
 Thermal Performance: Excess
moisture vapor can compromise the
R-value of insulation, reducing thermal
efficiency.
 Liability and Expense: It can cost


2
of roofing damaged by
moisture. Additionally, as much as
80% of residential construction defect
litigation is due to water and moisture
related failures.
1
FPO
Moisture can enter the cavity from both indoor and outdoor sources. An average family of four can create two to three
gallons of water vapor per day by cooking, bathing, washing dishes and doing laundry.
Where does the moisture come from?
CONDENSATION
SHOWER
PERSPIRATION
LEAKY
PLUMBING
RAINWATER
LEAKAGE
RAINWATER
SATURATION
AND SPLASH
GROUND WATER
STORAGE
PLANTS
RANGE
LAUNDRY
CRAWL
SPACE
HUMIDIFIER