We’ve provided several answers to questions related to Hardwood Flooring Underlayment and Tools , see some other helpful Q&A related to this product.
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Question: My contractor installed the silicone paper with the shiny side facing down underneath our solid hardwood floors. Below our subfloor is a beam crawl space. What effect might installing the silicone paper upside down have on our floors?
Answer: That will be fine, It will protect the same no matter which way the paper is facing. The main reason people down shiny side up is the planks of flooring slide easier on the shiny side.
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Question: Hi, I read here that the Silicone Vapor Shield can be stapled to the plywood subfloor. My house has a regular wood subfloor with 2 x 6 planks. Is it still okay to use the Silicone Vapor Shield product?
Answer: Yes, it can be stapled down. However, the manufacturer of your flooring most likely will want a plywood subfloor placed over the top first to provide a more even flat surface.
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Question: Can this be used as a vapor barrier for exterior walls?
Answer: This product will not work for that (Vapor Shield is not a vapor barrier, but a vapor retarder), and we sell nothing that will.
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Question: Can multiple layers of this be used in some spots to level off a slanted subfloor?
Answer: No (this is very thin). The floor would need to be leveled first in accordance with the flooring you plan to use.
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Question: What is the delivery time?
Answer: 3-5 working days via UPS Ground.
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Question: Can this product be used as a roof underlayment in warm climates?
Answer: No, it cannot. The two available are EcoStar Glacier Guard, GG 100 Roofing Underlayment and EcoStar Aqua Guard Roofing Underlayment.
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Question: How much does a 200 ft roll off silicone vapor shield weigh?
Answer: Just under 10 pounds
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Question: How do you get wrinkles out of vapor shield?
Answer: We suggest contacting us directly to go over details on your issue. It is not common to have difficulty with vapor shield.
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Question: Does this help with radon mitigation? What's is the best option for radon underlayment?
Answer: We do not sell an underlayment to help with radon.
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Question: Is this underlayment ok to use with radiant heated floors?
Answer: Per the specs at the bottom of the product page, " Radiant Heat--Okay for use with electric or hydronic radiant heat ".
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Question: Can this be used as underlayment in a bathroom, under wood flooring?
Answer: The silicone vapor shield is a very specific tool for a very specific job. It should only be used in situations where the subfloor is either plywood or OSB, and the nail down flooring you are installing calls for a semi-impermeable vapor barrier/vapor retarder (moisture will get through this product). It ultimately depends on what your nail down wood flooring installation instructions call for.
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Question: Does it help hardwood floors not squeak?
Answer: No. If your hardwood floors are squeaking, have a professional look at them to determine what could be the cause.
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Question: You mention it "reduces abrasion", is that specified somewhere? Does it allow same level of movement as rosin paper? Manufacturer of OSB in a two layer subfloor layout calls for 15lb felt (prevent squeaking). Doing 1 x 6" wood slats as 1st subfloor layer, then underlayment on top of the 1st subfloor layer (15 lb felt, or equivalent, presumably silicon vapor shield, aka SVS), then a 1 1/8" OSB subfloor layer, which we xxxx down through the underlayment with 1 3/4 inch decking screws. a) Do we staple/nail down silicon vapor shield or loose lay? Maybe underlayment seal tape to cover seams? Or double sided tape to secure to the floor/prevent it from moving as the OSB 4' x 8' sheet is placed on top of it and screwed down to 1st layer subfloor?
Answer: Silicone Vapor Shield (SVS) sits in between the flooring and the subfloor and by its intrinsic nature which is smooth and slick and not rough like OSB, prevents abrasion. Because it does not adhere to either flooring or subfloor it does not restrict the movement of either.Staple it down according to manufacturer's instructions shown on website here: https://www.greenbuildingsupply.com/c...
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Question: Is this suitable for using on a concrete subfloor, under engineered hardwood with a 1/4" cork underlay?
Answer: No, Silicone Vapor Shield is for use over plywood or OSB.We recommend putting a vapor barrier between your 1/4-inch cork underlayment and the concrete, such as Moisture Block or Quietwalk. Then install your engineered hardwood flooring on top of the cork underlayment.
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Question: I don't see any claims about sound-deadening ability. How is your product for that?
Answer: Silicone Vapor Shield was not intended to deaden sound. It is a vapor retarder and it reduces abrasion, but that is all.For sound deadening, we recommend our QuietWalk Plus which exceeds all apartment and condo standards for STC and IIC ratings. It is even better than most cork products as well. It is non-toxic, zero VOC and is made specially for us without any antimicrobials. 100 SF/roll.
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Question: Is this paper same as Roberts silicone paper shield??what is the difference?
Answer: All Globe, Inc. is the manufacturer of Silicone Vapor Shield. We don't know if Roberts has private labeled this product or created their own product. We know how our product performs but can't speak for someone else's products that we have not tested. Our product works exceptionally well beneath nail down hardwood floors and creates zero hazardous emissions of any kind.
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Question: Can this product be stapled to the subfloor? Do the seams need to overlap? Do the seams need to be taped?
Answer: Hello Mike, Thank You for your question. Yes the Silicone Vapor Shield can be stapled to the sub floor and still be an effective vapor barrier. You do need to overlap the seems approximately 4 inches and tape is not required.
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Question: I'm installing real hardwood on concrete floors. The concrete has radiant heat in it. Would the MP Global Moisture Block be the ideal underlayment? If not, what would you suggest?
Answer: Assuming you are not gluing this product to the subfloor, our Moisture Block will trap moisture. The Silicone Vapor Shield would be a better product, as it is vapor permeable.
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Question: Is this an appropriate moisture barrier for a concrete basement floor?
Answer: Silicone Vapor Shield is designed as a "vapor retarder" for hardwood floors that are nailed down to plywood subfloors. The silicone wraps around the nails and seals better than most paper products or asphalt products. Plus it has no vocs and no odor. It is approved by the National Wood Flooring Association.While it can be used for concrete subfloors, most hardwood flooring manufacturers require a "vapor barrier" for their warranty to be valid. That means something that blocks all vapor such as 6 ml plastic. We offer a product called Moisture Block that will do the job. Be sure to check with your flooring manufacturer for their special requirements.
