Waterproof Deck Leaks and Associated Health Risks

Waterproof deck leaks cause billions of dollars ofcharred or burned. It is not a good sign when you
damage annually across the U.S. Not to mention thecan drill a hole with your index finger into rotted
health problems associated with the moisture leftwood.
behind. After a storm, the water has trouble gettingTechnically, these decks are called pedestrian
up and over the end of the decks surface.membrane surface coatings. They include metal
The metal flashing at the end of the deck creates aflashing, plywood, metal lathing, cementitious
dam that water can't get over. A puddle is thenrubberized acrylic mortar, fiberglass cloth, epoxy resin
formed and over time, corrupts the integrity of thecoating, safety texture and finally, four coats of an
deck. The coating decomposes over time and theelastomeric waterproof deck coating is then applied.
leaks begin. Once the wood has been compromisedThese complicated decking surfaces meet new
by moisture, then come the termites. Termites usestringent fire codes and allow for over one hour burn
the affected wood as an entrance into the frame oftime. Older coatings often are the cause of fire from
the house. Once inside, they nest, and then the realburning embers from barbecues. The universal deck
fun begins.coating code also includes a pitch of a minimum
Mold spores also become a health concern, water1⁄4 " per foot, so as to allow for proper
can't evaporate and remains trapped in the framingdrainage.
and insulation of the home. Soon, heat of the sunIf you choose your color too light, it will blind you
refracts onto the decking surface off the glass doorfrom the reflection off the sun, (White) and will show
off the deck.the dirt and dust as it accumulates. Should you
Like a magnifying glass increasing the suns power,choose a black surface color, or too dark of a brown
soon, water comes to a boil. The liquid turns to a gascolor, the deck will show the light color of the dirt
and forces its way out of the interior in the form ofand dust and burn bare feet! Tan's- beige's and grays
steam. The steam has a decomposive affect on theor " earth tones " are used most often, but
wood that softens up the wood such that itterracotta and Hunter green have also been used. All
becomes unsafe.the layers combined form a laminate, redundantly
Over time a deck will fail, often resulting in injuryimpermeable by water.
when the foot crashes through the plywood and intoTired of unexplained illness, headaches and breathing
the drywall below. In the last few years over 50difficulties? Just maybe it is the integrity of your
people have been killed by catastrophic deck collapsedeck that is the problem. Tired of putting out the
and over 1350 injured, and many incidences gopots and pans to catch the drips every time it rains?
unreported!Have a licensed contractor fix the problem and use
Once the decking surface has been removed, thethose pots and pans to prepare a great meal
damage revealed is incredible. The wood itself seemsenjoyed out on the deck. Soak in the view, rather
as though it has been through a fire. Both thethan being soaked by the view. Contact Christopher
plywood and framing is so "cooked" its color hasDoctor, Owner Delphi Construction, to see how we
turned from a light wood color to a charcoal color.can help you.
The wood has the appearance as though it has been