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Old 01-27-2018, 06:55 PM   #11
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Link Seal
Shhhh
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Old 01-27-2018, 06:58 PM   #12
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$hitload of silicone
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Old 01-27-2018, 08:13 PM   #13
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Originally Posted by Raleigh Plumbin View Post


to fill the annular space between the sleeve and penetrating pipe. That needs to be a pliable, waterproof material that resists pests and is rated for UG applications.


I've spent the last three days trying to locate something that covers every angle of what the AHJ is looking for and can find nothing.













There has got to be some type of neoprene gasket that would work. Here in FL, we don't have to worry about that. We just use plain old dirt under the slab.

But the question that I would be asking is why does the annular space have to be so well-sealed when all the dirt under the slab's footings isn't sealed?! The bugs will just walk around the sealed pipe in the sleeve and find an easier way into the home.....I think these inspectors are over-thinking this...

After all, where all the pipes penetrate the slab, they are sealed. So who cares what's crawling around UNDER the slab when all the penetrations are sealed anyway. Just my humble opinion.
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Old 01-28-2018, 10:20 AM   #14
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We used to do a lot of work in Lk Mary, Fl. Their inspector would require us to fill the void with fiberglass insulation and then seal with a membrane mastic. (not sure if there is a difference from regular mastic, but thatís what we used.) If we did use, letís say, hydrolic cement, we applied isolation tape first.

Now itís all link-seal.
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Old 01-28-2018, 10:24 PM   #15
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Link-Seal Bro, donít be afraid to ask an inspector what they suggest!

If i call for an inspection, the first thing I would do is ask the inspector his opinion on something tricky. Most of the time we would spend the inspection looking at that and he would pass me!
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Old 01-29-2018, 12:01 AM   #16
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Link Seal. The only professional answer


Sent from my iPhone using Tapatalk
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Old 01-29-2018, 10:56 AM   #17
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Not sure if this is what youíre looking for, the ones at my supply house are white pvc, not the gray. They also make them in abs if thatís used in your area.

http://www.canplas.com/product_categ...-pvc-grey-pvc/
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Old 01-29-2018, 02:56 PM   #18
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Originally Posted by Raleigh Plumbin View Post
Need some help guys, I'm in NC which uses the IPC code.
What code approved methods are you using for sealing wall penetrations/sleeves below grade. We've used spray foam polyurethane sealants (not "great stuff brand) for the past three years with zero failures. One local inspection jurisdiction is now saying no more. They are pointing us to the 2012 IRC sections R406.1 "Foundation water-proofing and damp-proofing", which means we have to seal with the same products the foundation is sealed with. The majority, if not all the methods listed are cementous or petroleum based products that don't comply with our application.

Any ideas?
I see you are in Illinois also. I am downstate in the St. Louis metro area. I'm known as a stringent inspector and I haven't seen anyone pushing this in my area. Yes section R406.2 is specific. We used plastic roofing cement in most all cases. I can't tell you the ASTM number and if you look they do not list a specific spec. required just the product. This can pose a problem.

Ask him nicely if he can provide the ASTM, or other information of "approved material". So can thoroughly look into approved options. (bet he can't) Look at what you can find on item 7 "cement based, fiber-reinforced, waterproof coating. Any material listed with the same specs would be an "approved material" It should be ASTM C 109

"R406.2 Concrete and masonry foundation waterproofing.
In areas where a high water table or other severe soil-water
conditions are known to exist, exterior foundation walls that
retain earth and enclose interior spaces and floors below
grade shall be waterproofed from the top of the footing to the
finished grade. Walls shall be waterproofed in accordance
with one of the following:
1. Two-ply hot-mopped felts.
2. Fifty-five-pound (25 kg) roll roofing.
3. Six-mil (0.15 mm) polyvinyl chloride.
4. Six-mil (0.15 mm) polyethylene.
5. Forty-mil (1 mm) polymer-modified asphalt.
6. Sixty-mil (1.5 mm) flexible polymer cement.
7. One-eighth-inch (3 mm) cement-based, fiber-reinforced,
waterproof coating.
8. Sixty-mil (0.22 mm) solvent-free liquid-applied synthetic
rubber."


"Use of plastic roofing cements,
acrylic coatings, latex coatings, mortars and pargings to
seal ICF walls is permitted. Cold-setting asphalt or hot
asphalt shall conform to type C of ASTM D 449. Hot
asphalt shall be applied at a temperature of less than 200įF
(93įC)."






Here is an example of a product which is approved and has more than a dozen ASTM testing certifications.>>> https://assets.master-builders-solut...al-581-tds.pdf
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Old 10-15-2018, 07:52 AM   #19
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Lead and oakum. Tried and true
thats the silliest thing ive ever heard
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Old 10-15-2018, 08:08 AM   #20
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Default plenty of great choices

Quote:
Originally Posted by Tommy plumber View Post
There has got to be some type of neoprene gasket that would work. Here in FL, we don't have to worry about that. We just use plain old dirt under the slab.

But the question that I would be asking is why does the annular space have to be so well-sealed when all the dirt under the slab's footings isn't sealed?! The bugs will just walk around the sealed pipe in the sleeve and find an easier way into the home.....I think these inspectors are over-thinking this...

After all, where all the pipes penetrate the slab, they are sealed. So who cares what's crawling around UNDER the slab when all the penetrations are sealed anyway. Just my humble opinion.

i use a couple diff. commercial grade products; 1 is
BASF MasterSeal NP1 and NP2 Sealants

great product, sticks to everything, flexible, durable. use a backer rod and nice tooling. product can be purchased at most commercial concrete wholesalers. typically used on highway expansion joints. inspectors love this product. in the future look to commercial applications for answers. DO NOT substitute this quality product with some silly homedpot etc. DAP brand crap
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