FAQ About Sealing and Insulating Your Crawl Space with Sealed Solution.

I rarely get water in my crawl, but I get spiders, crickets, silver fish and other insects coming up into my house. What should I do?

Having installation of the Sealed Solution System will seal your crawl space. Insects and other pests can not eat through the 60+ mil liner, making it harder for them to find there way into your home. The other added benefit, is that, you now have a clean, dry, new found useable storage area in your home.

I have a dirt crawl space and when there is a heavy rain, I get standing water in my crawl space. What should I do?

If you do not have a sump pit and pump, you need to install one with drain tile. Then have Sealed Solution Professionals install the The Sealed Solution System, this will allow water trapped under the liner to travel to the sump pit, preventing any more water problems.

I want Sealed Solution to install the liner system and insulation in my crawl space, but there are some cracks in my foundation walls. Should I have them fixed first?

Yes. It is always a good idea to seal up cracks and preventing them from getting worse, but it is not mandatory! With your local hardware stores concrete crack injection kits, it is a simple process to repair cracks. But, if you decide not to fix the cracks and still install the Sealed Solution System, the liner will allow any water seepage to run down the wall and drain harmlessly into the soil under the liner or travel to the sump pit.

I have just recently received a quote for finishing my crawl space with concrete. It was a little pricey, but they told me that this would solve my problems of any future water problems. Is this true?

No. Concrete when pumped into your home will create an over abundance of moisture in your crawl space and inside your home until the concrete fully cures. Moisture is what you are trying to keep out. Concrete over time cracks and allows moisture seepage, as well as, forming a chalky surface which increase the dust and allergens in your home .  Radon also seeps easily through the porous concrete and does not supply a Vapor Barrier to mitigate Radon.  The Sealed Solution System will not crack or create dust, keeping your home dry and healthy!

I just bought an old house that has block walls for the foundation and there is signs of water problems in the past. What should I do to prevent future problems?

Have our professionals install the Sealed Solution System which will prevent future water problems, but before the liner is installed, we will drill holes (through 1 side) in each block at the bottom of your foundation at least a 3/4” (drill bit is included in kit to install anchoring pins) to allow any water that may be trapped in the blocks to drain out under the liner and drain harmlessly into the soil or travel to the sump pit.

I installed a new sump pump because my old pump went out. All of the water is gone now, but I still get a musty smell when I open the door to the crawl space. What can I do?

Odors and gases coming up from your crawl space will reduce the over all air quality in your home., causing possible allergies and respiratory problems. Having our professionals install the Sealed Solution System will seal out all odors and gases from coming up through the soil and into your home, improving the indoor air quality of your home and creating a healthier living environment for you and your family.

Once I the Sealed Solution System is installed, will I still have open air vents in my crawl space?

No, the air vents are also sealed. This will stop moisture, insects and humid air from entering your crawl space.

What way does the Sealed Solution System use to close crawl space air vents?

Closing the air vents will be done from the inside by securely fastening  a custom cut rodent barrier to match your individual vents shape then Thermax insulation is cut to the size of the vent, then applying foam insulation to seal insulation to the rodent barrier and your vent screening, covering all four sides and the middle. This is the best way to seal your vent, but in the event you were to ever need the vents, all you would have to do is remove/unscrew the rodent barrier and pull the insulation off from the vents.

I read on your site that your liner could be used to help keep my floors warmer. Shouldn’t I just insulate my floor joists with a fiberglass insulation?

No. Fiberglass insulation is a breeding place for mold and mildew. It traps moisture causing the wood to stay damp and start decaying over time as well as it does not reflect the radiant heat. To reflect radiant heat there must be an air space. Air is THE BEST INSULATOR.

How can I be assured that I don’t have a Radon Gas problem and that my new Sealed Solution System liner won’t trap Radon?

The first thing that needs to be done is to have a Radon Test performed.  Homeowners can find very inexpensive easy to use Radon Test kits at their local hardware stores.  For example ACE.  We have a professional system that is a VAPOR barrier, not just the usual moisture barrier.  This insures a gas impermeable membrane liner that wont let any gas into your crawl and your home.  No other system can give you a VAPOR barrier on the marketplace.

What is Radon and how can it effect my family (60 sec video)

First you or we test for Radon Gas coming up from the home.  After confirming it was Radon Gas, the next step was to install a vent pipe from under the liner to the outside, allowing the Radon Gas to escape harmlessly into the air outside the home. This is just one reason why it is necessary to install a Sealed Solution Zero Perm Liner System. A Zero Perm Liner allows Zero Moisture , ZERO GASES and Zero Odors to pass through and enter the home. If Radon Gas, moisture and odors are allowed to enter the home, not only will they effect the quality of the air and the health of everyone in the home.

If I choose to closed cell spray foam my crawl space ceiling: And if I have a pipe leak: Where will the water go?

Closed Cell spray foam is water and air impenetrable and your water will pool on your 1st floor on top of the spray foamed floor.  Once removing the water with a wet vac and towels you would still have a lot of water pooling trapped on top of the spray foam and under your floor…thus producing rotting floors.  This is why Closed cell is highly cautioned against for installing under wood floors.
Open Cell spray foam sprayed on the ceiling of your crawl space allows the water to drain down (most water situations comes from a washing machine leak) through your floor through the open cell which allows moisture to slowly come through it (still maintaining an air seal) and drain to the crawl space and leave out in the ground or evaporate due to your vented crawl.

Sealed Crawl Space floor

If you want to leave your fiberglass insulation in on your crawl space ceiling:
Which we don’t recommend, the insulation under your floor …when you have a water leak in the house the water will drain through all the small openings in your floor and soak your insulation.  Wet insulation in your crawl space is no good…insulation eventually falls apart from the weight of the retained water and falls.
Sealed Crawl Space 1 Sealed Crawl Space 8

I don’t want to waste all that good insulation I have under my floor on the ceiling of my crawl space, should I keep it?  Since 50-70% of your air comes from your crawl space as the heat rises if you have decided to keep the insulation now your air is filtering through old moldy fiberglass picking up mold and insulation particles on its way above your crawl space.  I like to look at it as if your entire living room had open insulation hanging from all the walls…do you think your air is free from insulation particles…NO!  Then why keep it in between where most of your air passes which is on the ceiling of your crawl space under your first floor floor?


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