The Mold Facts

Name: The Mold Facts
Address: 9800 D Topanga Canyon Boulevard. #523, Chatsworth, CA, 91311, US
Telephone: +18666747541

Call Directions Website

Protect your home and family today! Call us for a Mold inspection. What is mold? Thеѕе ѕроrеѕ lаnd іn mоіѕt аrеаѕ аnd begin tо grоw and ѕрrеаd.

The ѕіmрlе answer: mоldѕ аrе раrt оf the fungi kіngdоm, similar tо уеаѕtѕ оr muѕhrооmѕ (thе antibiotic Pеnісіllіn іѕ actually a mold). Mold іѕ a lіvіng оrgаnіѕm, a part оf nаturе, аnd еvеn hаѕ a beneficial funсtіоn – іt brеаkѕ down all of оur dеаd оrgаnіс matter. Mold reproduces by rеlеаѕіng tіnу ѕроrеѕ, іnvіѕіblе tо thе nаkеd eye, into thе аіr. While thеrе are hundrеdѕ of thоuѕаndѕ оf vаrіеtіеѕ оf mоld, nоnе wоuld exist without thе рrеѕеnсе оf moisture, аіr, and ѕоmеthіng to feed оn. Sіnсе mоld will аlwауѕ еxіѕt outdoors, іt іѕ important tо соntrоl thе оnе ingredient a homeowner doesn’t need inside thе hоuѕе – moisture. Mold саn grow оn rotting wood, grаѕѕ, wееdѕ, аnd соmроѕt ріlеѕ. The problem іѕ that it саn also grоw where уоu dоn’t wаnt іt to – іndооrѕ. It саn bе found on fооd оr сlоthіng, in bathrooms and аttісѕ аnd damp bаѕеmеntѕ, оn саrреtіng, and even inside the wаllѕ оf a hоuѕе. Mоld саn feed оn thе wood in thе wall, brеаkіng down thе materials аѕ it ѕрrеаdѕ unѕееn thrоughоut a house. Aѕ the mold dіgеѕtѕ оrgаnіс mаtеrіаl, it соntіnuеѕ tо ѕрrеаd to fіnd nеw fооd ѕоurсеѕ. Sроttіng mоld саn bе еаѕу, if the mold соlоnу is vіѕіblе. Mold соmеѕ іn a vаrіеtу of соlоrѕ (іnсludіng white, blасk, grееn, gray, brоwn, and mоrе), bunching аѕ spots оr discolorations. If the mоld is nоt vіѕіblе, ѕоmеоnе may not rесоgnіzе mоld is рrеѕеnt untіl іt is late in thе рrосеѕѕ. Pеорlе dіѕсоvеr mоld whеn there іѕ рhуѕісаl dаmаgе tо a ѕtruсturе оr аn increase іn muѕtу ѕmеllѕ. Sоmеtіmеѕ mоld won’t be found untіl thе occupants experience hеаlth problems. Bу then, іt may bе too lаtе. Whenever a hоuѕе оr buіldіng hаѕ аn overexposure to moisture, іt іѕ іmроrtаnt tо inspect for mold. Mоіѕturе оvеrеxроѕurе can come frоm mаnу ѕоurсеѕ, іnсludіng:

Flооdѕ
Roofs or bаѕеmеntѕ that leak
Irrіgаtіоn оr fіrе ѕрrіnklеrѕ
Shower or bаth wаtеr
Sіnk оr ѕеwеr оvеrflоw
Humidifiers
Plumbing lеаkѕ

09/10/2026

The 10-second check that keeps your basement from flooding

If your home relies on a sump pump to keep groundwater out of your basement or crawlspace, there is a tiny $15 mechanical part that determines whether your pump lasts ten years or burns out during the next thunderstorm.

It’s called the check valve. ❌

The check valve is a one-way flapper installed on the vertical PVC discharge pipe above your sump pump. When the pump turns on, it pushes water up and out of your house. When the pump shuts off, the check valve snaps closed to stop that column of water from falling right back into the pit.

If your check valve fails, breaks, or was never installed, the same 5 to 10 gallons of water in the pipe roll right back down into the basin every single cycle.

Your pump ends up re-pumping the exact same water over and over again, rapidly overheating the motor until it burns out right in the middle of a torrential downpour.

For best results, test your sump pump check valve like this:

Listen to the shut-off. Stand near your sump basin while the pump runs. When the motor stops, you should hear a distinct, solid "thump" or "clunk." That is the check valve closing properly.

Watch the water level. After the pump shuts off, look into the pit. If you see a heavy stream of water rushing back out of the pipe into the basin, your check valve flapper is broken or missing.

Look for the directional arrow. A check valve must be installed with the flow arrow pointing up (away from the pump). Installing it backward will lock water in the pit completely.

Don't let a broken valve destroy your pump motor. Verify your check valve before the next storm hits.

When was the last time you checked your sump pump basin before a rainstorm? Let us know in the comments!

08/27/2026

The $5 plumbing shortcut filling bathrooms with sewer gas

If you look under your bathroom sink, you should see a smooth, U-shaped pipe called a P-trap.
Contractors or rushed DIYers sometimes install accordion-style flexible plastic drain hoses or shallow, deformed traps instead.

A proper P-trap relies on precise geometry to hold a standing "plug" of clean water in the dip of the pipe. That water seal acts as a physical barrier blocking foul odors, methane, and dangerous sewer gases from traveling up from the main drain line into your home.

When someone uses a flexible accordion pipe, the inner ridges trap hair and gunk, while the improper shape causes water to siphon out completely

Without that standing water barrier, sewer gas flows straight up through your sink drain and into your living space, leaving a mysterious, rotten-egg smell that no amount of bathroom spray will fix.

For best results, check your sink traps like this:
Look for rigid PVC or brass. Throw away flexible, ridged accordion drain pipes under your sinks. They violate building codes in most regions because they clog rapidly and fail to hold a consistent water trap.

Check for a proper water seal. If a bathroom sink smells like a sewer after sitting unused for a few days, run the water for 10 seconds to refill the P-trap seal that ev***rated.

Verify pipe slope. Make sure the horizontal pipe coming out of the trap slopes slightly downward toward the wall drain (at least 1/4 inch per foot).
Keep sewer gas out of your home. Stick to smooth, rigid P-traps under every sink.

Peek under your bathroom sink today. Do you have a smooth rigid P-trap or a flexible accordion hose? Tell us in the comments!

08/25/2026

Air duct cleaning: Essential home maintenance or overhyped scam?

Every week, social media feeds get flooded with ads promising to clear pounds of toxic dust, mold, and allergens out of your HVAC ducts for $99.

Before you hand over your credit card, what does actual building science say?

According to the EPA and certified indoor environmental specialists, routine air duct cleaning is rarely necessary for normal, healthy homes. Dust that settles inside metal ductwork generally stays stuck to the duct walls and does not blow into your living space unless disturbed.

In fact, scam duct cleaning companies often do more harm than good. They use cheap vacuum hoses that tear delicate flexible ductwork, dislodge hidden debris without capturing it, or spray unproven chemical sanitizers into your air system.

However, air duct cleaning IS necessary under three specific conditions:

- Visible mold growth. If there is verified mold inside hard sheet metal ducts or on the heating and cooling components.

- Vermin infestation. If rodents or insects have nested inside your ductwork, leaving droppings or debris.

- Severe physical blockage. If ducts are clogged with heavy renovation debris, drywall dust, or large objects blocking air flow.

If you don't have active mold, pests, or major construction debris, spending hundreds on routine duct cleaning won't improve your indoor air quality. Focus on replacing your furnace filters regularly and sealing duct leaks instead.

What's your experience? Have you ever paid for duct cleaning? Did you notice a difference, or did it feel like a waste of money? Let's debate in the comments!

08/24/2026

The tiny gap on your furnace pulling dirty attic air into your home

Take a look at the slot on your furnace or air handler where the air filter slides in. Is it covered, or is there an open gap exposing the filter edge?

HVAC installers frequently leave that filter slot completely wide open. It seems minor, but an unsealed filter slot causes serious indoor air quality and efficiency issues.

Your furnace blower unit operates under strong negative pressure. When that filter slot is left open, the system acts like a vacuum, pulling unconditioned air directly from your dusty basement, crawlspace, or utility closet into your ductwork.

Even worse, that return air bypasses the filter entirely. Dust, insulation fibers, and garage fumes enter your HVAC system around the edges of the filter, clogging your expensive AC ev***rator coil and blowing unfiltered pollutants right into your living room.

For best results, seal your filter slot like this:
Install a magnetic filter slot cover. You can buy an inexpensive rubberized magnetic strip or plastic filter cover designed to snap right over the opening while keeping the filter easily accessible.

Use foil tape on permanent bypass gaps. If there are open gaps in the sheet metal return plenum around the filter rack, seal them using heavy-duty HVAC aluminum foil tape (never standard fabric duct tape).

Check for air draw with a tissue. Turn on your system fan and hold a piece of tissue near the filter slot. If the tissue gets sucked against the opening, unfiltered room air is leaking into your system.

Protect your HVAC equipment and keep your indoor air clean. Seal that open filter slot today.

Go check your furnace filter right now. Is the slot sealed shut or wide open? Tell us in the comments!

08/22/2026

The "soffit vent trick" secretly rotting your roof overhang

Look under your roof overhang or porch soffit. Do you see plastic or aluminum vents? ❌

Contractors often cut corners by running a bathroom exhaust duct straight to a soffit vent, dropping the hose right over the perforated metal grille without an airtight seal. They assume the steam just blows outside.

Building science proves the exact opposite.

Because hot, moist shower air rises, the moment it leaves the soffit vent, the roof overhang catches it. The home's natural attic ventilation (which draws fresh air in through soffit vents) immediately sucks that wet shower steam right back into the attic.

Instead of venting steam outside, you are actively pumping hot humidity straight into your dark roof structure, leading to rotted roof sheathing and hidden black mold along the eaves.

For best results, fix soffit venting like this:

Look for frost or dark staining. In winter, check your attic eaves. If you see frost, ice buildup, or dark wood staining directly above a soffit vent, shower steam is short-circuiting back inside.

Insist on dedicated roof or wall caps. Bathroom exhaust ducts must terminate through a dedicated dampered hood on an exterior wall or through a sealed roof cap—never resting on top of a perforated soffit vent.

Use smooth, insulated ducting. Flexible uninsulated plastic hoses sag, trap water, and leak steam inside the attic cavity.

Keep shower steam out of your roof cavity completely. Ensure your exhaust air leaves the building envelope for good.

Have you ever checked your attic eaves during winter or right after a hot shower? Let us know in the comments below!

08/20/2026

The yellow gas line detail that turns a lightning strike into a house fire

If you look near your water heater or furnace, you might see a flexible, yellow plastic-coated metal gas line. That material is called Corrugated Stainless Steel Tubing (CSST).

It’s used in thousands of homes because it’s easy to install, but certified home inspectors routinely catch a dangerous safety oversight on these lines: missing electrical bonding.

Because CSST has thin stainless steel walls, a nearby lightning strike—even one that hits a tree or power pole near your yard—can induce a massive electrical charge in your home's piping.

Without proper bonding, that high-voltage charge jumps (arcs) across the thin steel tubing to find a path to the ground. That electrical arc can instantly punch a small hole in the gas pipe and ignite the fuel gas inside your walls or floor cavity.

For best results, make sure your CSST system is properly protected:

- Check for the yellow jacket. Look around your basement, garage, or gas appliances for flexible yellow tubing. (Note: Black-jacketed CSST is often arc-resistant, but yellow jacketed lines strictly require extra grounding).

- Look for a heavy copper wire attachment. Follow the yellow tubing back to where it connects to your hard iron gas pipe. You should see a sturdy metal clamp connected to a thick 6-AWG copper wire running directly to your home’s electrical grounding system.

- Have an electrician or inspector verify it. If you have yellow CSST and don't see a dedicated bonding wire attached near the service entrance, have a licensed electrician evaluate it immediately.

Protect your gas lines from power surges and storm strikes. Make sure your fuel piping is properly bonded.

Take a look at your furnace or water heater area. Do you see flexible yellow gas lines, and are they connected to a grounding wire? Tell us in the comments!

08/18/2026

Are you checking under your kitchen sink regularly, or are you assuming everything is fine just because there isn't a puddle on your floor?

That assumption is how silent water damage gets you.

Slow drips from garbage disposals, drain strainers, or loose spray hose connections rarely spill out onto your kitchen tile right away. Instead, water seeps under the cabinet's bottom board and trickles directly down into your subfloor.

Because the leak is hidden beneath the cabinet floorboard, it can drip silently for six months without leaving a single trace in front of your appliances.

By the time the front edge of your cabinet starts warping or you notice a musty smell, the wooden subfloor beneath your kitchen has soaked up gallons of water, rotted out, and filled the wall cavity with hidden mold.

For best results, protect your kitchen cabinets like this:

- Install an under-sink silicone mat. Lay a waterproof, rimmed tray on the floor of your sink cabinet. If a pipe drips, the mat catches the water before it can soak into the cabinet wood or leak through to the subfloor.

- Drop a water leak alarm under the P-trap. Put a small, battery-operated moisture alarm directly under your drain pipe. It sounds a loud alert the second a single drop of water hits the cabinet floor.

- Check the pull-out sprayer hose. Pull your kitchen sink sprayer hose all the way out while the tap is running. Look underneath with a flashlight to make sure water isn't trickling down the hose body into the cabinet below.

Don't let a tiny drain drip turn into an expensive subfloor replacement. Protect the space under your sink today.

When was the last time you shined a flashlight under your kitchen sink while the water was running? Be honest in the comments!

08/17/2026

Is your bathroom fan actually venting outside or dumping steam in your attic?

You step out of the shower, flip on the bath exhaust fan, and hear it humming away. The steam slowly clears from the mirror.

You think the job is done. But home inspectors catch a massive hidden flaw here all the time.

In thousands of homes, that exhaust fan isn't actually venting to the outside. Shoddy installers often duct the pipe straight into the attic space, or worse, leave the bare hose dangling right under the insulation.

Every time you take a 10-minute hot shower, your fan picks up roughly a cup of liquid water v***r and blasts it straight into your dark, cool attic.

Over a single winter, hundreds of gallons of warm humidity condense on your cold wooden roof rafters and insulation. The result? Completely ruined ceiling insulation, rotted roof decking, and heavy black mold blooming across your attic structure.

For best results, verify your bath fan ventilation like this:

- Go outside while the fan runs. Walk outside, look up at your roof edge or sidewall vent, and feel for air. You should feel a steady breeze blowing and hear the exterior vent flap opening. If you feel nothing, it's venting into the attic or crushed inside the wall.

- Do the tissue test. Hold a single piece of toilet paper up to the fan grill while it runs. If the suction doesn't hold the paper firmly against the grill, the duct is likely blocked, disconnected, or clogged with dust.

- Insist on a continuous duct to the outdoors. Make sure bath fan ducting runs all the way through an exterior wall or roof cap using smooth, insulated metal ductwork—never bare flexible plastic hose.

Don't let daily shower steam destroy your roof from the inside out. Make sure that moisture leaves your home completely.

Quick check: Have you ever looked up inside your attic while the bathroom fans were running? Let us know in the comments below!

08/16/2026

When summer heat kicks in, many homeowners go outside and open up their crawlspace vents. The old thinking was that opening vents lets fresh air circulate and dries out the house.

In humid summer weather, that logic backfires completely.

When hot, humid outdoor air flows through open vents into a cool crawlspace under your home, physics takes over. The warm air hits cool floor joists, cold copper pipes, and AC ductwork, immediately dropping moisture like a cold drink glass on a hot day.

Instead of drying out the crawlspace, opening those vents actively pumps gallons of water condensation straight under your floorboards.

Over time, that trapped moisture rots wooden floor joists, ruins subflooring, rusts metal hardware, and creates the ideal breeding ground for floorboard mold.

For best results, manage your crawlspace moisture like this:

- Keep foundation vents closed in humid summers. Stop pulling hot, wet outdoor air under your cool house during peak humidity months.

- Lay down a heavy v***r barrier. Cover 100% of the exposed soil floor in your crawlspace with a thick (6-mil minimum) plastic sheet, overlapping seams by at least 12 inches to block ground moisture from ev***rating upward.

- Consider a sealed encapsulation system. Modern building standards favor closing vents permanently, sealing the ground and walls, and adding a dedicated crawlspace dehumidifier to keep the air below 50% relative humidity year-round.

Stop pulling summer humidity under your home. Keep moisture out from the ground up.

Quick check: Are your foundation vents open or closed right now? Drop a comment below and let's compare notes!

08/15/2026

Don't panic: That white powder in your basement might not be mold

You walk down into your basement or garage and spot white, powdery fuzz spreading across the concrete walls or brick foundation.

Your mind immediately goes to white mold. You panic thinking about remediation bills.

Before you call a specialist, test it. In most cases, that white crust isn't mold at all—it's efflorescence.

Efflorescence happens when groundwater seeps through porous concrete or masonry. As that water slowly ev***rates into your basement air, it leaves behind a chalky crust of natural mineral salts (calcium, sodium, and potassium).

While efflorescence itself is completely harmless and non-toxic, it is a warning sign that moisture is working its way through your foundation walls.

For best results, figure out what you are dealing with like this:

3 Try the water test. Spray a little water on the white powder or rub a drop of water onto it with your finger. Efflorescence is mineral salt, so it dissolves instantly in water. Mold will not dissolve.

- Do the pinch test. Wear a glove and pinch a little bit of the powder between your fingers. Efflorescence feels dry, gritty, and crumbles like salt. Mold feels soft, slimy, or fibrous.

-Fix the outside moisture source. If it is efflorescence, scrubbing it off with vinegar or a wire brush only buys time. You need to stop groundwater from hitting your outer wall by cleaning your gutters, extending downspouts 5 feet away, and sloping soil away from the foundation.

Don't spend thousands treating simple mineral salts. Do the quick water test first.

💬 Quick check: Have you noticed white powder on your basement walls or brickwork before? Drop a photo in the comments if you want a second pair of eyes on it!

Address

9800 D Topanga Canyon Boulevard. #523
Chatsworth, CA
91311

Telephone

+18666747541

Website

http://www.themoldfacts.com/

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