The attic has about 9-10 inches of loose fill fiberglass giving ~r-25 and was not air sealed. I spent a few days air sealing all penetrations and top plates in the attic and noticed we have soffit baffles in every other rafter bay. Would it be worth while to add soffit baffles in every rafter bay before adding cellulose insulation to …installing attic baffle vents from outside, with existing batt insulation. In this case, there is only about 6 inches or room to slide the vent between the i...The baffles don’t ‘do’ anything other than ensuring the insulation doesn’t fill up the soffits and prevent the airflow. If you look in most older houses, you’ll see a single soffit vent, and then the soffit filled with insulation. Eliminating the purpose of the vent - because someone thought cold air in the attic is bad. jehovahs ...Putting baffles in your attic is a crucial step in installing attic insulation. Sometimes called rafter vents, baffles provide ventilation and keep the insulation from …Set the baffles inside the attic opening along with a loaded staple gun. You need one baffle for each of the soffit vents. Climb into the attic. Remove any blow-in insulation that covers the soffit vent with your gloved hand. Hold the baffle so it extends from the attic floor to the wall plate, which is the horizontal board on top of the wall ...Apr 16, 2010 ... You will need a baffle for each space between the rafters. Fit each one snuggly in the bay, with the bottom starting where the ceiling joist ...Raft-R-Mate 22-1/2 in. x 4 ft. Attic Insulation Rafter Baffle Proper Vents (70-Pieces) Shop this Collection. Add to Cart. Compare $ 25. 18 /case (158) ADO Products. Durovent 23-1/2 in. x 46 in. Rafter Vent with Built-In Baffle 10/Ctn. ... Attic insulation improves home energy efficiency and comfort. Get started with a free consultation for ...In a house with a vented unconditioned attic, ventilation baffles are only needed near the eaves. The baffles should begin above the ventilated soffit — just to the exterior side of the plane of the wall sheathing — and should extend far enough into the attic that they terminate above the top of the insulation on the attic floor. The deeper ...Low slope means the baffles will need to come up far enough to protect the bottom of the roof from the depth of your insulation. One option is to slide a 1" piece of rigid foam board all the way down with spacers already attached on the edges to give you the vent channel. Insulation can be added below to hold it in place with some attachment ...The quick answer is that, yes they do work! Radiant barriers are a good addition to your attic as they help reduce the amount of heat transferred into your home from the roof. This helps save energy and makes it easier to be comfortable as they help keep your home cool by reducing outside heat that’s conducted through the attic to other ...An attic baffle is simply an item to regulate the flow of air (aka – required roof venting), and impede it & the insulation from interfering with each other. The picture below (Courtesy of the EPA Indoor airPLUS program which we provide Builder Verification Services for) helps show how the system works. From left to right air flows through ...Feb 17, 2021 ... You would not need any air gaps and baffles, except as a temporary step to allow for access to install the dense pack cellulose. With the ...Because squirrels usually enter attics through roofs, one way to keep them out of an attic is to trim trees to at least 6 feet away from the roof so that the animals cannot leap to...American Yard Products is a brand of parts, equipment and accessories designed for lawn mowers and tractors. Examples of products sold by American Yard Products include blades, chu...The ADO Products Durovent 23-1/2 in. x 46 in. Rafter Vent with Built-In Baffle helps keep air moving in your attic. The ventilation system features polystyrene construction, ... Durovent 23-1/2 in. x 46 in. Rafter Vent with Built-In Baffle 10/Ctn (159) Questions & Answers ...The general rule is that you must have one square foot of vent space for every 150 square feet of attic area. To determine the total vent area, measure the length and width of your attic in feet, then multiply the two measurements to get the attic area, then divide the number by 150 to get the vent space in square feet (length x width)/150 ...My plan had been to install site built baffles in order to provide a 2″ airspace between the foam and underside of the roof deck. Rafter tails are exposed – no fascia and soffit, and the vents originate where the siding meet the roof deck and the vents dump into the short attic space. The ridge would be vented.Baffle Vents. At Master Attics, our professional baffle vents service helps homeowners and businesses improve their attic ventilation. Our expert teams are ... In the side attics the insulation was peeled back from underneath the roof vents, so they are not covered. There are NOT any insulation baffles in the rafters connecting the side attic and ceiling attic. Question 1: Should there be insulation baffles, or is it okay to not have them since warm air can vent through the vents in the side attic. Yes it's presently a vented attic. If we choose Rockwool I think we will need to install 2 layers of batts. R23 in between the joists and R15 overlapping on top, perpendicular to …Because squirrels usually enter attics through roofs, one way to keep them out of an attic is to trim trees to at least 6 feet away from the roof so that the animals cannot leap to...A Do Products Upv2248 Attic Baffle Plastic Provent, 22" X 48" (Pack of 100) 2.6 out of 5 stars. 2. $484.93 $ 484. 93. FREE delivery Wed, Feb 28 . Only 5 left in stock - order soon. Attic Stairs Insulation Cover 25" x 54" x 11" - Attic Ladder Insulation Cover - Attic Insulation Tent with Zipper - Fire Proof Attic Cover Stairway Insulator.Jan 21, 2019 · This item: SmartBaffle 16 Insulation Baffle for 16" Rafter Bays. $15300. +. Arrow 508 Heavy Duty T50 1/2-Inch Leg Length, 3/8-Inch Crown, Staples for Upholstery, Construction, Furniture, Crafts, 1250 Count (Pack of 1) $297 ($0.00/Count) Total price: Add both to Cart. These items are shipped from and sold by different sellers. When it comes to installing anything in your attic, there are two options: doing it yourself or hiring a professional. While DIY installation may seem like the cheaper option, it’s...Air is channeled up and through the vent- passing through your insulation toward your exhaust vent. Easy to use, simple to install. Shop ADO Products 47-in Rafter Vent at Lowe's.com. The newly redesigned rafter vent with easy staple channels, keeps air moving in your attic. The ventilation system features polystyrene construction, which is. Attic baffles; Step 1: Measure the width of your attic opening. Step 2: Cut your attic baffles to size, if necessary. Step 3: Install the first baffle at the bottom of the attic opening, making sure that it’s level and flush with the opening. Step 4: Staple holes through the baffle and into the framing around the opening. Do you have a collection of old records gathering dust in your attic or basement? Have you ever wondered if those records have any value? Well, look no further. In this article, we...Apr 16, 2010 ... You will need a baffle for each space between the rafters. Fit each one snuggly in the bay, with the bottom starting where the ceiling joist ... Air is channeled up and through the vent- passing through your insulation toward your exhaust vent. Easy to use, simple to install. Shop ADO Products 47-in Rafter Vent at Lowe's.com. The newly redesigned rafter vent with easy staple channels, keeps air moving in your attic. The ventilation system features polystyrene construction, which is. Time to clean out your attic or garage? Forget about settling for garage sale prices. These days, online auction sites and marketplaces make it easier than ever before to sell your...Without attic baffles, hot air can become trapped in the attic, making it harder to regulate the temperature of your home and potentially costing you more in energy bills. Attic baffles also act as moisture barriers, providing a barrier between the roof and the attic to help keep out moisture and reduce the risk of mold and mildew …Brentwood’s AccuVent baffles ensure proper attic ventilation and maximize insulation R-value. That means moisture won’t build up and ice dams won’t form, insulation will stay firmly in place, roof shingles will last longer, and most importantly, your home will operate more efficiently – saving you money on your energy bills.In brief, baffles are designed to provide a channel of air to flow through specific parts of your attic. They are known are also known as wind baffle, insulation …1. Install baffles in some of the rafter bays to allow air to flow from the soffit. I could probably get baffles in less than half of the spaces because of the difficulty of moving around up there. This leaves almost no insulation between the top plate and the roof sheathing. 2.Baffles are also referred to as rafter vents, rafter or eave baffles, or insulation stops. Their function is to ensure that the air entering the attic from the soffit vents has a pathway up to the roof and the ridge (or similar) vents. This function is necessary because without the baffles, insulation installed between the ceiling …Rafter vents, or insulation baffles, are installed in an attic’s rafter space and create narrow gaps that direct fresh air from the soffit vents to the roof’s peak. Without affecting the ...UDVB2346 Durovent Baffle – 23.5″ x 46″ Great choice for 24″ on-center applications 70/carton, 840/pallet. The Benefits of a Ventilated Attic. * Allows for cooler attics in the summer. * Helps prevent ice-dam formation in the winter. * Improves insulation efficiencies. * …About This Product. The ADO Products Durovent 15/23 in. x 46 in. Rafter Vent with built-in baffle helps keep air moving in your attic. Can now be used in either a 16 in on-center application or 24 in on-center. The ventilation system features polystyrene construction, which is lightweight and moisture resistant and the integrated baffle …An attic vent chute plays an important role in removing heated air from your attic and bringing fresh air in through a small baffle. The best way to determine whether or not you need attic vent chutes is to set up an estimate with a local contractor, like us here at Lindus Construction, to come out and inspect the air … Air is channeled up and through the vent- passing through your insulation toward your exhaust vent. Easy to use, simple to install. Shop ADO Products 47-in Rafter Vent at Lowe's.com. The newly redesigned rafter vent with easy staple channels, keeps air moving in your attic. The ventilation system features polystyrene construction, which is. How To Install Insulation Stops [Baffles] HouseImprovements. 917K subscribers. Subscribed. 3K. Share. 206K views 3 years ago Insulation /moisture …For more tips on removing rats from your attic, check out this article. Birds. An attic offers a safe, warm, dry space to live in, which is one of the reasons why we find so many animals in the attic. Among these are birds. The most common birds found in attics are barn swallows, pigeons, house finches and sparrows, and …Hunter Panels Xci 286 Polyiso Rigid Insulation Panel 4ft x 8ft - All Sizes. $2,248.18. Bafflo is a corrugated cardboard baffle designed to enhance attic ventilation and increase the efficiency of insulation. Bafflo also …For most, it’s only too easy to toss out old toys, especially ones that come inside Happy Meal boxes. But as time passes, some of these tiny toys are appreciating in value — and qu... The baffles don’t ‘do’ anything other than ensuring the insulation doesn’t fill up the soffits and prevent the airflow. If you look in most older houses, you’ll see a single soffit vent, and then the soffit filled with insulation. Eliminating the purpose of the vent - because someone thought cold air in the attic is bad. jehovahs ... The basic cost to Insulate an Attic is $3.28 - $6.82 per square foot in January 2024, but can vary significantly with site conditions and options. ... Cost of related materials and supplies typically required to insulate attic including: fasteners, vent flow baffles and sealing tape. 534 square feet: $1,251.05: $2,926.91: Attic Insulation ...When installing attic baffles, you may wonder which kind works best for your home. Different types of attic baffles include: Styrofoam Baffles. Many homeowners choose Styrofoam when installing attic baffles. …Raccoons in areas not encroached upon by humans typically sleep in tree cavities or in abandoned dens created by other species. Sometimes raccoons use human buildings as nesting si...I would be saving roughly 1 square foot of insulation with each baffle and each bag has roughly 17 square feet of insulation at the depth I will be blowing. So I would spend $1.80 to save $0.59 (net loss of $1.21 per baffle installed). Plus it would be a huge pain in the butt to install all those baffles as the area where they would be ...Baffles are installed on your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor. Common baffle colours are pink, ...The basic cost to Install Blown-In Attic Insulation is $3.42 - $7.16 per square foot in January 2024, but can vary significantly with site conditions and options. Use our free HOMEWYSE CALCULATOR to estimate fair costs for your SPECIFIC project. ... vent flow baffles and sealing tape. 534 square feet: $1,327.88: $3,106.64: Blow-In Attic ... Many homeowners ask, “What are baffles in the attic?” Baffles resemble chutes that fit between the attic’s interior and the soffit vents under your eaves. These chutes provide a channel through which air circulates into your attic, helping prevent moisture buildup while regulating the attic’s temperature. Types of Attic Baffles. The 1/300 balanced attic ventilation rule. Proper attic ventilation consists of a balance between air intake (at or near your soffits) and air exhaust (at or near your roof ridge). The U.S. Federal Housing authority recommends a minimum of 1 square foot of attic ventilation (evenly split between intake and exhaust) for every 300 square feet of ...Owens Corning™ Raft-R-Mate® Attic Rafter Vents: Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit. Create a balanced ventilation system to help provide comfort in all seasons and help prevent roof damage. Are made of extruded polystyrene foam so they’ll stay in place ...Install an isolation pad or vibration mounts below the unit. Wrap the unit with sound damping materials. Build an HVAC closet. Replace your aging HVAC system. How to soundproof HVAC systems Dealing with ducts. Wrap ducts with sound damping materials or lagging. Insulate your ducts. Utilize duct silencers. Soundproofing non HVAC vents. Owens Corning Raft-R-Mate attic vent is an extruded polystyrene foam vent designed to assure unrestricted airflow from the soffit to the ridge vent. Additionally, Raft-R-Mate attic vent has an optional bend down air stop or insulation block at the top plate of the wall in one easy-to-install product. The insulation blockers should still allow the air to flow up under the roof sheathing and to the ridge so it cools the attic. Store-bought baffles are OK, but they do need air-sealing. One way to do this is by using ventilation channels. They’re a piece of plastic or piece of foam which is designed to be installed between the rafters. Answer: SmartBaffle16 and SmartBaffle24 are designed to allow 2” of air flow between 16” and 24” on center rafter spaces, respectively. Wider or narrower rafter spaces can be accomplished by following the directions enclosed with the product. Any installation questions please contact DCI Products at 1-610-622-4455.Feb 17, 2021 ... You would not need any air gaps and baffles, except as a temporary step to allow for access to install the dense pack cellulose. With the ...Do you still have your childhood toys packed in a box in the corner of your attic? It’s time to open it up and see if you have nostalgic toys to pass down to new generations or a t...When it comes to insulating your attic, there are a variety of options available to homeowners. Each type of insulation has its own benefits and drawbacks, as well as varying costs...Accommodates batt, blown, and cellulose insulation types. Superior ventilation prevents moisture and mold. Works with your insulation to help it maintain its R-value. Explore Brentwood’s Original AccuVent, the most versatile of the baffle systems. It accommodates vented traditional attic spaces of all shapes, sizes, …Scope. Identify areas of the home likely to be affected by wind washing (e.g., attic soffit vents, cantilevered floors, open porch ceilings adjacent to second-story floor cavities). Install baffles at each rafter bay with a soffit vent to direct air flow and wind above rather than through attic insulation. Air seal top plate-drywall seams at ...Baffles in an attic improve ventilation, creating a channel for air to pass through between insulation and vents. Proper air ventilation in an attic prevents mold and rust in humid summer months, plus buildup of ice dams in the winter. Baffles come in a variety of sizes and materials—including plastic, styrofoam, cardboard, and plywood. ...The baffles also deflect wind-driven rain over the vent, protecting your roof and the attic from moisture infiltration. These baffles can be added to existing off-ridge vents so you won’t need to have them replaced. This adds protection to your tile roof, eliminates worry about leaks, and helps extend the roof’s life.Rigid foam board, also known as foam board or insulation board, can be an excellent option for insulation. It is lightweight and easy to work with. A 4 by 8 board weighs next to nothing and can easily be cut to fit. Typical thicknesses range from ½ inch to 2 inches, with estimated R-values of R-3 for the ½ inch to R-10 for the 2-inch board.Apr 20, 2023 · Mark the height of the ventilation baffle on one of the foam boards. Using a straightedge or ruler and a box cutter, score the foam board along the marked line. You may need to go over it a few times to create a clean cut. Be sure to wear protective gloves and safety goggles. Repeat step 6 for the other foam board, ensuring that the cuts align ... ADO Products Provent® 23" x 48" Plastic Attic Vent Chute with Baffle · Versatile vent or baffle for the insulation professional · Withstands heat and pressu...Here are some types of attic baffle alternatives you can consider: 1. Cardboard Baffles: These baffles come in pre-cut sizes or custom-made shapes to fit any space between rafters. 2. Foam Baffles: Made from polystyrene foam, these lightweight baffles provide excellent ventilation while being easy to install. 3.The standard code formula requires 1 square foot of net free ventilation area for every 300 square feet of attic floor area, assuming that half of the ventilation openings are located in the lower half of the attic (generally at the soffit) and half near or at the ridge. If a roof has only soffit vents and no ridge vents, most codes …Did you find a big bag of old coins in your attic? Have you inherited a collection or maybe just want to start a new hobby? If so, you may be wondering about where to sell your coi...Reflectix® products are an excellent, energy-efficient choice for upgrading your attic system. When installed properly, a reduction of up to 10% in the home’s air conditioning usage can result. The products are clean, lightweight and easy to install. Additionally, attic-mounted HVAC ducts benefit from the reduction of attic surface ...Connect the hose to the blown-in insulation machine. Then feed 1/2 a bag of fill into the machine and turn on the hose to start blowing the insulation. Step 2: Fill Your Space With Insulation. Step 3: Raise the Floor to Create Storage Space. Step 4: Attach the Plywood. Step 5: Continue to Fill the Attic.Mar 24, 2023 · Instead, plan on ventilating the finished attic space with rafter venting. Rafter vents or insulation baffles, are typically installed in the spacing between rafters, creating a narrow gap that allows outside air to flow in from the soffit vents. The air flows through the rafter vents to the peak of the roof. Reduce the impact of attic moisture that can damage the roof deck over time. Prevents wind washing and drifting of insulation. Attic ventilation is more effective when you have blown in attic insulation and attic baffles. The baffles block insulation from covering up the soffit vents where it can reduce the flow of fresh air into the attic.Baffles come in two sizes, 16″ and 24″ to fit between the rafters of your house. Baffles are located at where the rafters meet the floor of the attic. They can be installed using a staple gun, with the staples spaced about four inches on either side. Most rafter vents are made out of plastic, although there are also models made of foam and ...Apr 20, 2022 · Rafter vents, or insulation baffles, are installed in an attic’s rafter space and create narrow gaps that direct fresh air from the soffit vents to the roof’s peak. Without affecting the ... Brentwood’s AccuVent baffles ensure proper attic ventilation and maximize insulation R-value. That means moisture won’t build up and ice dams won’t form, insulation will stay firmly in place, roof shingles will last longer, and most importantly, your home will operate more efficiently – saving you money on your energy bills.The quick answer is that, yes they do work! Radiant barriers are a good addition to your attic as they help reduce the amount of heat transferred into your home from the roof. This helps save energy and makes it easier to be comfortable as they help keep your home cool by reducing outside heat that’s conducted through the attic to other ...The correct way to install baffles to prevent wind washing in the birds vents/soffit vents. Baffles redirect airflow up over the insulation and they're the p...For most, it’s only too easy to toss out old toys, especially ones that come inside Happy Meal boxes. But as time passes, some of these tiny toys are appreciating in value — and qu...The baffle can be any solid material, must extend to the top of the attic insulation, and must maintain an opening that is at least as large as the vent. Note that baffles should also be used with vented cathedral assemblies. Retrofit: 2009, 2012, 2015, 2018, and 2021 IECC. Section R101.4.3 (in 2009 and 2012).In these scenarios, baffles should be installed from the eave vent, up the roof deck, until just below the roof vent. Make sure that baffles from opposing sides ...The correct way to install baffles to prevent wind washing in the birds vents/soffit vents. Baffles redirect airflow up over the insulation and they're the p...The space above the top plate of exterior walls—at the bottom of each rafter bay—is especially important. Baffles placed in this area channel intake air into either the attic space or vent chutes, and also prevent insulation from falling into the soffit and blocking airflow. Site-built: 2-in. chutes and bafflesMark the height of the ventilation baffle on one of the foam boards. Using a straightedge or ruler and a box cutter, score the foam board along the marked line. You may need to go over it a few times to create a clean cut. Be sure to wear protective gloves and safety goggles. Repeat step 6 for the other foam board, ensuring that the cuts align ...Nov 6, 2019 ... Re: Install baffles in attic with ridge vent? ... Edge vents are typically installed on houses where there is no overhang and they are for air ...Therefore, the primary mechanisms to control condensation in a ventilated attic are 1) controlling air leakage from the house into the attic space and 2) providing proper intake and exhaust ventilation within the attic, for example, continuous ridge and soffit vents, with insulation baffles to keep the soffit vents clear for air flow.Baffles are installed on your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor. Common baffle colours are pink, ...Attic baffles are added in attics between the rafters to make sure that there is an air channel between the rafts and the insulation. This keeps air flowing so that the moisture can get out of it. Attic baffles are often made out of foam or plastic.The ADO Products Durovent 23-1/2 in. x 46 in. Rafter Vent with Built-In Baffle helps keep air moving in your attic. The ventilation system features polystyrene construction, ... Durovent 23-1/2 in. x 46 in. Rafter Vent with Built-In Baffle 10/Ctn (159) Questions & Answers ...
The quick answer is that, yes they do work! Radiant barriers are a good addition to your attic as they help reduce the amount of heat transferred into your home from the roof. This helps save energy and makes it easier to be comfortable as they help keep your home cool by reducing outside heat that’s conducted through the attic to other .... Clash of clans top base
In January 2024 the cost to Insulate an Attic starts at $3.28 - $6.82 per square foot*. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. Do you still have your childhood toys packed in a box in the corner of your attic? It’s time to open it up and see if you have nostalgic toys to pass down to new generations or a t...Attic ventilation for cathedral and vaulted ceilings require attic baffle vents. With V-Baffe's design, you can quickly and easily retrofit cathedral and vaulted ceilings that would otherwise have been …Air is channeled up and through the vent- passing through your insulation toward your exhaust vent. Easy to use, simple to install. Shop ADO Products 47-in Rafter Vent at Lowe's.com. The newly redesigned rafter vent with easy staple channels, keeps air moving in your attic. The ventilation system features polystyrene construction, which is.Baffles serve as a channel for the air traveling throughout your attic, promoting airflow; this airflow, in turn, prevents moisture build-up and protects your home from water damage, condensation, mildew, and the much-dreaded mold that can form from having poor attic ventilation. The improved airflow resulting from proper baffle installation ...How To Install Insulation Stops [Baffles] HouseImprovements. 917K subscribers. Subscribed. 3K. Share. 206K views 3 years ago Insulation /moisture …With the resurgence of vinyl records in recent years, collectors and music enthusiasts have become increasingly interested in the value of their collections. One particular area of...When it comes to installing anything in your attic, there are two options: doing it yourself or hiring a professional. While DIY installation may seem like the cheaper option, it’s...Baffles in an attic improve ventilation, creating a channel for air to pass through between insulation and vents. Proper air ventilation in an attic prevents mold and rust in humid summer months, plus buildup of ice dams in the winter. Baffles come in a variety of sizes and materials—including plastic, styrofoam, cardboard, and plywood. ...A: I would return them if you already have them and just get the 22" wide baffles. Here is the information from the Home Depot website. Here is the information from the Home Depot website. ADO Products Provent 22 in. x 4 ft. Rafter Vent Model# UPV22480 $2.57 each Internet #100561170 Model # UPV22480 Store SKU #739541Definition of Insulation Baffles. Insulation baffles, also known as insulation vents or rafter vents, are specially designed barriers that are installed in the attic or ceiling space. They are typically made of foam, polystyrene, or cardboard, and are placed between the roof rafters or …Do you have a collection of old dishes tucked away in your attic or basement? If so, you may be sitting on a potential goldmine. Many people don’t realize that certain old dishes c...ADO Products Provent® 23" x 48" Plastic Attic Vent Chute with Baffle · Versatile vent or baffle for the insulation professional · Withstands heat and pressu...0:00 / 10:14. Fixing an Attic - Insulation, Baffles, & Radiant Barrier. jimginnyohio. Andrew Phillips shows how to install baffle rafter venter in your attic or cathedral ceiling. Baffle...Josh. 7 2. A drawing of the proposed design, as well as specifying which radiant foil you're using would probably be helpful. Whether the foil will work as a baffle may depend on how thick it is (will it tear when you push the insulation up against it). Of course, installing the baffles (which aren't all that expensive) seems like cheap insurance.Aug 24, 2011 · An attic baffle is simply an item to regulate the flow of air (aka – required roof venting), and impede it & the insulation from interfering with each other. The picture below (Courtesy of the EPA Indoor airPLUS program which we provide Builder Verification Services for) helps show how the system works. From left to right air flows through ... Owens Corning™ Raft-R-Mate® Attic Rafter Vents: Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit. Create a balanced ventilation system to help provide comfort in all seasons and help prevent roof damage. Are made of extruded polystyrene foam so they’ll stay in place ...The baffle can be any solid material, must extend to the top of the attic insulation, and must maintain an opening that is at least as large as the vent. Note that baffles should also be used with vented cathedral assemblies. Section N1102.2.4 (Section N1102.2.3 in IRC 2009) Access hatches and doors.Attic Eave with Loose-Fill Insulation and Rafter Baffle: The rafter baffle provides a clear open space for ventilated air to pass between the attic ....