1st floor bath about 6 X 6 ontop of a dirt crawl space I can't get into. Sub.Trer. Termite. What to use and how

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Janey

1st floor bath about 6 X 6 ontop of a dirt crawl space I can't get into. Sub.Trer. Termite. What to use and how

Status: Open Jun 10, 2013 - 09:40 AM

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RonDawson

Jun 12, 2013 - 06:21 AM

If you have 2 feet of clearance under the floo, you shouldn't need to dig it out. Just make an access to get under it. You could also dig your way under it from outside if you can't make an access in the floor.

If your house has concrete all the way around it, then yes, you will need to drill through the cement every 12" and inject the Termidor under the slab. Just drill a 1/2" hole every 12" about 6" from the outer wall. Sweep up the cement dust first, then take a funnel (long transmission funnel works great), place it in the hole and then pour the Termidor through the funnel. Use about 1/2 gallon of mix per hole.

Under the crawl space, trench and treat the inside wall, around piers and plumbing. This is done by digging a small shallow trench about 2-3" deep and wide and pouring Termidor into the trench at a rate of 4 gallons of mix per 10 feet of trench.

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RonDawson

Jun 10, 2013 - 08:16 PM

Is the floor sitting on the soil? In other words, are the floors joists sitting on the ground, are they supported by piers? Is there is any space at all under the floor?

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RonDawson

Jun 11, 2013 - 08:20 PM

In this situation, unless you can get under the floor, which I highly recommend, the only thing you can do is to make an access hole in the floor and stick your head under it with a flashlight or a mirror and try to see or find where the termite tunnels are located.

We actually cut a hole in the floor about 2'x2' square and pop up the section of floor. Use a circular saw and set it about 1/2" deep on the cut and make your hole. The best way is to cut the floor down the center of the floor joists on 2 sides, that way when you lay it back down, it rests on the floor joist and won't sag. You will need to brace up the other 2 sides under it with a 2"x6" board that it mounted between these floor joists on both sides. This way the square you cut out of the floor, is braced on all 4 sides when it is replaced.

Once you get access under it, use Termidor SC and saturate all the soil it will only take about 4 gallons total of Termidor SC to do this. Just spray it with a hand held sprayer and soak all of the soil this way.

If you can't do this, then drilling holes in the floor and spraying through the holes may be the only other option.

After you do this, we haven't even discussed treating the rest of the house. The entire home really needs to be treated. Outside foundation wall, and inside the crawl space.

Let me know if this makes sense or not.

Ron

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It has a space of about 2 feet between the floor and the dirt. It is held up on one end by concrete slab and has some piers supporting the floor that do have contact with the dirt.
I think I understand. I think I can get a sprayer extention to spray the product on the entire dirt floor. Do I need to dig out any area or just saturate the dirt floor? After that if I need to treat the entire house, it would be drilling holes aroung it, since it is cement. Correct?

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