Fiberglass, which is commonly referred to as simply pink insulation, cannot provide the same level of water, fire, and sound resistance. Is the best practice to move the walls in, install a pest scree, etc? Are both inner and outer studs load-bearing? This is pretty impressive and takes a lot of time for there to be any type of aging with the insulation whatsoever. The insulation is a great starting point, but it is not going to do the job by itself. It shows how they put on the insect screen at the bottom of the wall. There are specific recommendations for fasteners used to attach the furring strips, but I've not found guidance on this other aspect from Roxul. Q. The insulation boards/batts can be cut to create various shapes as needed for fire blocking and other fire applications. The fact that a lot of sound control comes down to picking the right insulation can sell the product itself. A simple blade will do the trick in most cases, since the insulation is fairly easy to cut through. Why did you decide not to put up two 2x4 walls side by side? install. Thanks No matter what type of scenario a person finds themselves in, they can cut everything so that it is ready to go. Request Insulation Installation Price Quotes Using Our Free Tool. Just as an assist to others looking to use ComfortBoard in the Colorado area, it looks like PrimeSource (who has the exclusive distributorship for Roxul in the US I believe) in Denver can sell ComfortBoard IS in at least 2" and 3" 2x4 or 3x4 panels. Every wall needs a roof. Some people will shop at a local store, while others will order online. The binders in Roxul keep the fibers down which is nice. Later we got the right size that would encompass both the roxul and the strapping with one piece. The main difference is that I used two layers of 1 1/2 inch IS board. Roxul - Rockwool mineral wool batt offers an excellent insulation to walls and floors where acoustical performance and fire resistance are primary concerns. Once installed, our insulation holds its shape without sagging or slumping in the wall cavity to provide continuous fire protection and thermal performance over time. Its green points are important to us. That's how I ended up using their drain board product in a rainscreen application. Our Quality Assurance Program guarantees that all parts are fabricated to your specifications. There are other mineral insulation mfr's out there that are probably more readily available in other parts of North America. Supposedly if you avoid special order items (that's how you could probably get those other products) you can combine with other Roxul shipments to order less than a full truck (full truck is on the order of 13k sf). When mineral wool is installed on the exterior side of wall sheathing, is the performance of the insulation affected much by windwashing? When we sent an inquiry to Roxul about the formaldehyde question, a company spokesperson responded, “Although a formaldehyde-based organic binder is used during manufacturing, a high-temperature curing phase virtually eliminates volatile compounds. (The 2×10 wall plates have an R-value of about R-11.6, and 2 inches of Roxul has an R-value of R-8.4.) It is tested up to temperatures as high as 2150°F, which is warmer than a typical house fire. The insulation works a lot better than any other normal options, and it is hidden out of sight. Pablo, the mineral wool would be tacked to the outside of the sheathing and over the top of the mineral wool (and NOT compressing into it) would be the furring strips. It didn't seem like I could get DrainBoard (the 2 3/8" R-10 product) or the roofing products (TopRock or MonoRock). Some people will hire a professional to do that instead of tackling that themselves. ROXUL SAFE™ is a lightweight, semi-rigid stone wool insulation that provides superior fire resistance and sound control. Thank You for visiting our website. ROXUL SAFE™ CAN/ULC-S129 Smoulder Resistance 0.01% Fire Performance Designed by James K. M. Cheng Architects Inc., the visually stunning Living Shangri-La hotel, located on the Vancouver waterfront, was built using CURTAINROCK® and ROXUL SAFE™ products as its specified insulation. FREE Shipping. Roxul insulation does a great job of not absorbing moisture like some other batt insulation options out there. If there is a flame of any kind, Roxul inflation helps keep everything safe. * It is easily cut with a razor knife. A lot of people like the fact that the insulation is very solid at helping close an air cavity, and it is perfect to fit into different types of locations in construction. My concern is in the screws that hold the furring strips through the MW onto the structure. Another benefit of Roxul is that there is no issue with gases emitted from the insulation post-production. Also, in the article, I though it was interesting that peel-and-stick was used on the outside of the exterior insulation rather than on the sheathing itself. impressive data and research on the subject. The siding would be screwed into the furring strips only. After installation it releases very little dust comparatively. They are constructed like the house above - with a rain screen cladding (3/4 inch vertical strapping and fiber cement lap siding) and are exposed to natural climatic conditions. Everything that goes into making insulation is very safe for people to be around and handle, which is about all people can ask for. “I’m a fan of mineral wool because it doesn’t settle, doesn’t rot even if continually wetted, is fireproof, and won’t support mold or bugs,” summed up Albert Rooks. While trying some different insulation options out there, some people might automatically jump to the thought that there is no actual solution to controlling sound, other than some extravagant setup. This is one of the trickier questions to answer, simply because there is no true method on testing for rodent resistance. Roxul insulation is an option that is designed to go in between wall partitions and steel stud development. (I guess you're going to cover the window framing in your next posting.). .am impressed . Our experts can be on hand to help facilitate the smooth and speedy installation with local fitters, while the materials used in the build are maintained to the highest safety standards. I'm a fan! The vertical spacing between nails was 24 inches, so that each 2’ x 4’ piece of Comfortboard (installed with the 4-foot dimension running horizontally) had one nail per stud. Do not be afraid to try how many combinations to do a quick test. - Continuity of structure. Shop ROCKWOOL COMFORTBATT R-15 59.7-sq ft Unfaced Stone Wool Batt Insulation (15.25-in W x 47-in L) in the Batt Insulation department at Lowe's.com. https://www.greenbuildingadvisor.com/article/walls-that-work. Roxul Insulation, Wool, 0 to 1200 Degrees F. $18.08 $ 18. Initially we were concerned that installation would be tricky due to the softer nature of the Comfortboard. This took me about 5 tries which is why I'm sharing the info in detail. And we nailed Nichiha siding right through with ring shank stainless steel nails. $130.00 $ 130. Furthermore, consulting services are available to contractors for their construction projects. Most people find that the stone used does a great job of handling sound thrown his way. Gerard Dubenski of Big Coast Construction, working with Penbay Construction in Nanaimo, British Columbia, led the crew who installed the product. This feature has been temporarily disabled during the beta site preview. Because Comfortboard is made from fuzzy mineral wool, it’s difficult to attach tape or peel-and-stick to its surface. I set the windows out 1-1/2" on wood "out-y" boxes, and flashed around the boxes. In addition to the correct isometric construction and fastening of the piping, the piping insulation also has an important function. My local builder supply store can order Roxul comfortboard IS - just allow a few weeks for that. It is a more premium option that other insulation out there, which can get pretty costly if used in every single area. It's worth talking to Roxul directly, as many of their products are pretty similar, just minor modifications of binder content and/or density. (the furring strips barely squeeze the wool, so there won´t be much help there) Hi - we did put perforated screening over the bottom of the strapping just like the roxul one in the photo. For instance, how does the bottom of the insulation and cavity get covered and attached to the house-wrap? My question is what to do with the extra 2.5" cavity that this will create at the bottom. The type of nail will depend on the type of cladding, but in all cases it's a lot easier to use an air-nailer. What Is Roxul Acoustic Insulation. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. Thank you. © 2021 The Taunton Press, Inc. All rights reserved. If I understand the article correctly, the cap nails were used to keep the furring strips from compressing the MW. It is a little trickier to install insulation after the fact, but it can be done as well. If so, how do the exterior walls get electrical and plumbing run? Is Roxul the same? The foam was just wide enough for the cedar window trim. Get building science and energy efficiency advice, plus special offers, in your inbox. Mineral wool generally has a minimum recycled content of 75%, making products in this category a nice alternative to petroleum-based foams and their greenhouse-warming blowing agents and flame retardants. We also use third-party cookies that help us analyze and understand how you use this website. furring strips II It is very permeable so it doesn't hold water. John, why did you put hydrogap over the Roxul? We have just completed a passiv style house in Delaware and put Roxul on the inside and outside--1.25 inch thick. When people start to research different types of insulation out there, Roxul is definitely one that comes up quickly. I'm looking for ways to maximize insulation of my 2x4 ranch home. Before purchasing, we have put together a list of common questions people might have about the insulation. how do you prevent them from "sliding down" once you nail the siding on them?? During framing for stability? - Attaching the three exterior layers, especially on a two story house without sheathing will be a challenge. ROCKWOOL COMFORTBATT is a stone wool insulation product for improved sound absorption and fire … Mar 25, 2017 - Explore Christopher Hill's board "Roxul", followed by 456 people on Pinterest. For the last number of years, I've Been dedicating a lot of time in soundproofing and helping people be able to soundproof their home, business, and vehicles. It is very good at providing traditional insulation services, but people who are looking for soundproofing, in general, seem to gravitate towards this option. - Integrating both small and large openings with the WRB with no backing will be difficult. Our customers are always extremely happy with our installations and always turn to us for any insulation advice. “We liked it more than foam. Roxul acoustic insulation is stone wool insulation that absorbs sound waves, is fire resistant, and is manufactured by a company called Roxul. Pricing looked to be a little less than $2/sf for the 2" product and <$3/sf for the 3" product. We put the hydrogap over the roxul. Simply cut the insulation using a bread knife or other serrated blade. To ensure the labeled r-value is achieved, batt insulation in wood and steel stud wall cavities must be gap-free and void-free. It will not develop smoke or promote flame spread, even when directly exposed to fire, as most other insulation materials will. 1-1/4" (I think) into the stud itself. With the large gap between the strips, there is a large portion of the fiber cement that would not have a firm backing. He cites a few challenges that arose when mounting boxes for penetrations through the wall. Most of our wall assembly has a higher R-value, of course. The collaboration of people behind Soundproof Guide are from diverse backgrounds, including Building Contractor, Sound Engineer and Interior Decorator. thank you guys to point me to those reports. No one has to deal with any interruptions whatsoever, and it makes for a much more peaceful time indoors. It is also a little more dense and heavier than other insulation options out there, so it might not be suitable for some delicate areas. Since we were paying extra for the thick wall and exterior insulation, with out tight budget we compromised by making the wall faster to build. one small note, as far as I went into it, the results for MW might be slightly different than for rigid foam?? Response to Pablo Originally inspired by the way wind spins molten lava into fibrous material during a volcanic eruption, stone wool is fire-, mold- and insect-resistant. Over the Roxul, I used 1/2" plywood furring strips attached with wood screws. staggered stud spacing layers occurred as the vertical load overcame the static friction between the layers.". I recall some folks with double walls use 24" spacing on the inside wall. With the added benefit of allowing the wall to dry to the exterior, this option is looking better and better. That is not to say that a rodent can’t find a way through certain types of insulation, but it does as good of a job controlling everything as possible. The Roxul boards were just tacked up with roofing nails, until I could get the furring strips over the Roxul. Known as Comfortboard IS, this insulation has impressed us with its green virtues, versatility, and price. Even though it is not that heavy from a shipping perspective, it is usually cheaper for people to shop locally if they are doing a smaller project. Why deviate from wall assemblies that are known to work? The product’s affordability adds to its appeal, since it costs about the same as XPS foam. I’ve been negligent in having her gift to me sit on my desk for months, before really investigating it, and I must say, I (who am hard to impress)…. It is a superior product and should go in strategically throughout any building. Sound control in any building takes effort. (source). You must be a magazine subscriber to access this feature. BATT INSULATION 07210* BLANKET INSULATION 07 21 16** General Product Information: ROXUL® products are mineral wool fibre insulations made from basalt rock and slag. are the "flying" screws able to support the whole thing?? Some have argued that so long as the dew point is outside the assembly, why bother with vapor permeability. Maybe a person wants to have a home theater, an audio studio, or simply a quiet room. I don't know what the insect population is in the pacific northwest, but I am curious if there is going to be an insect screen between the furring strips.

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