Zone 5 recommendations Attic R38 to R60, Cathedral Ceiling R30 to R38, Cavity R13 to R21, Insulation Sheathing R2.5 to R6, Floors R25 to R30. (712) 323-4683 Heartland Insulation 13585 192nd St Council Bluffs, IA 51503-6919. Serving Nebraska and Iowa Since 2001. Heartland InsulationYou don't need the baffles at all if you know that there will be an air channel. With R13 in a 2x6 there will be 2" extra space, so if you place ...Learn the best way to insulate a cathedral ceiling, whether it's vented or unvented, and how to avoid common mistakes and problems. Find out the building …Nov 11, 2019 ... ecoMaster Maurice Beinat crawls above their cathedral ceiling to show and discuss the installed R2.5 underfloor insulation rolls.Feb 16, 2021 ... This video includes how to add insulation to sloped ceilings using blown insulation. It identifies the heat loss areas that I have seen in ...Cathedral Ceilings Insulation. Cathedral ceilings are open areas high below the roof for architecture and design. They are beautiful but must be properly ...Oct 5, 2022 · The use of R38 for ceiling and attic insulation is dependent on climate zones, as you can see in Table N1102.1.3 of the International Residential Code (IRC). You also need to check your local building code to confirm the recommended R-value before proceeding with your project. The R-values presented in the table are minimums, so R38 …Aug 19, 2023 · The initial R-value will not matter. In a 2×6 ceiling, compressed R-30 insulation will be highly ineffective. This is why I have recommended the use of R-19 as an alternative. An R-30 insulation should only be used on a 2×10 ceiling. So, if you must use R-30, you can extend the thickness of your ceiling boards to measure 2×10 instead of 2×6.Nov 27, 2019 · To him, this was not worth it. 30ish% of my roof surface is cathedral at 350 sq ft. R-39 cost per square foot – $9.91. R-50 cost per square foot – $12.12 (cost increase is exactly in line with R value increase) I know code is R-49. I also know that I see R-60 recommended often on this site.Sep 14, 2012 · Sheets of 6-mil plastic applied over the rows of unfaced insulation in rafter bays provides the proper moisture barrier. Overlap the seams by a few inches for full coverage. Moisture barriers go on the warmer side during heating season, which typically means the heated attic or living space. Advertisement.R-38 EcoTouch PINK Cathedral Ceiling Unfaced Fiberglass Insulation Batt 15.5 in. x 48 in. $ 75.81. Quick View. Attic Ceiling Insulation. R-38 EcoTouch PINK Cathedral Ceiling Unfaced Fiberglass Insulation Batt 23.75 in. x 48 in. $ 116.18. Though you might be familiar with R38 insulation—insulation solutions that have an R-value of 38—you ...You don't need the baffles at all if you know that there will be an air channel. With R13 in a 2x6 there will be 2" extra space, so if you place ...Feb 14, 2014 ... Closed cell spray foam is the best choice for vaulted ceilings because it does not absorb water and is currently the best air sealing on the ...Johns Manville Formaldehyde-free kraft-faced thermal and acoustical insulation offers R-Values up to R-49. It is ideal for moisture control in exterior walls, reduces sound transmission in attics and ceilings, and if offered with thinner profile option designed specifically for cathedral ceilings.Dec 7, 2023 · Insulating vaulted ceilings is crucial for energy efficiency, comfort, and soundproofing. Choose the right insulation type, prepare the area, and follow safety guidelines for a successful and sustainable home improvement project. Consider the benefits, types, and installation process of vaulted ceiling insulation. Why is R 38 Cathedral Roof Insulation will Help Keep you Cool. A significant amount of warm is lost via the attic, which makes the attic a crucial location to insulate. Based on the US Division of Energy recommended R value you …Why is R 38 Cathedral Roof Insulation will Help Keep you Cool. A significant amount of warm is lost via the attic, which makes the attic a crucial location to insulate. Based on the US Division of Energy recommended R value you ought to insulation your ceiling with R …May 16, 2012 ... The key is to have very good venting in the attic space. You want the temp/humidity to be equal to outside. Also vapor barrier on the warm side ... Putting an addition on – cathedral ceiling – pitch is 12/12 with 2×10 rafters. Spray foam, closed cell is way out of our budget. Husband wants to do rigid foam boards – double and triple layer (have a friend who takes used foam boards out of steel commercial buildings – we can pick and choose our boards). You don't need the baffles at all if you know that there will be an air channel. With R13 in a 2x6 there will be 2" extra space, so if you place ...Our range of acoustic ceiling panels, slabs and granulate can be used with a suspended acoustic ceiling, ‘cathedral’ ceiling or a vaulted ceiling to produce the same results. Benefits of our stone wool insulation include 2 : Acoustic insulation– reduces impact of noise from or to adjacent living and working spaces.Improve energy efficiency and comfort in your home with these effective cathedral ceiling insulation ideas. Discover the best techniques to keep your home ...Cathedral Ceiling Advantages. A cathedral ceiling maximizes the vertical space in a room in a way that conventional flat ceilings cannot. The addition of a cathedral ceiling will instantly elevate the look of your home. Higher ceilings such as this are much more space-efficient than a flat ceiling and certainly more interesting.Oct 17, 2022 · Insulating and Venting a Cold-Climate Cathedral Ceiling. I’m building a high performance ICF home in Zone 5 with a single slope mono pitch (3:12) roof and a cathedral ceiling. The Roof layers are currently as follows: We were planning to have an unvented assembly with 3″ of ccSPF applied directly to the underside of the sheathing ...Jul 20, 2023 · Insulating Cathedral Ceilings. Cathedral ceilings form an inverted V shape with a high central point and sloping slides, often including arch beams. This ceiling structure is commonly seen in the living room or dining areas. Open-cell spray foam outperforms closed-cell foam when insulating cathedral ceilings, primarily because of its …Nov 11, 2019 · We have been helping thousands of Australian homes and commercial buildings achieve lasting thermal comfort with less energy since 2004. For queries, get In touch via our Contact Form. ecoMaster Maurice Beinat crawls above their cathedral ceiling to show and discuss the installed R2.5 underfloor insulation rolls. Installing a new roof is a big job. Homeowners will need to consider the total cost of insulating their Vaulted or Cathedral ceilings. In most cases, insulating the roof using Ray-Core SIP panels will add about $24 dollars per square foot to the cost of the new roof project. This equates to roughly between $38,000 to $48,000 for a 2,000 Square ... Nov 11, 2019 ... ecoMaster Maurice Beinat crawls above their cathedral ceiling to show and discuss the installed R2.5 underfloor insulation rolls.Updated: February 12, 2023. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open. Cathedral ceilings are a …Nov 6, 2023 · Ceiling Texture Options. There are a range of texture choices that can be applied to the ceiling in order to further enhance the aesthetic of your home or create an eye-catching feature that draws attention from guests. Common texture options include flat, orange peel, skip trowel, knockdown, swirled, and popcorn.Our range of acoustic ceiling panels, slabs and granulate can be used with a suspended acoustic ceiling, ‘cathedral’ ceiling or a vaulted ceiling to produce the same results. Benefits of our stone wool insulation include 2 : Acoustic insulation– reduces impact of noise from or to adjacent living and working spaces. R-38 insulation is best used for application in attics & cathedral ceilings; Each R-38 fiberglass insulation batt is 10.25 in. D x 15 in. W x 48 in. L; Every order of 15 bags contains 600 sq. ft. coverage of R-38 insulation where each individual bag covers 40 sq. ft. The R-38 R-value improves personal comfort in your home or office Apr 17, 2017 · Best Insulation for Sloped Ceilings. Sloped or cathedral ceilings are often found in great rooms. The ceiling is vaulted at an angle, and there’s no attic space above the ceiling. According to Green Building Advisor, the best way to insulate the ceiling depends on whether you have a ventilated or unvented roof assembly.Nov 7, 2023 · R40 in 2×8 Cathedral Ceiling. Hello GBA Community, I’m finishing a garage loft/bonus room that is supported by attic trusses. Unfortunately I only have 2×8 rafters to work with. My thought was to insulate the roof as best as possible to handle most of the insulation for both the loft and the below garage space.Dec 7, 2023 · Insulating vaulted ceilings is crucial for energy efficiency, comfort, and soundproofing. Choose the right insulation type, prepare the area, and follow safety guidelines for a successful and sustainable home improvement project. Consider the benefits, types, and installation process of vaulted ceiling insulation. The 2006 International Residential Code requires ceilings in Roy’s area (Climate Zone 5) to be insulated to at least R-38, Holladay says. If part of each rafter bay …May 22, 2023 · Insulating cathedral ceilings and flat roofs with a high R-value helps maintain more consistent indoor temperatures. It reduces the impact of external temperature variations, preventing heat or cold from easily transferring into the living space and providing a more comfortable environment. Limited Space for Insulation Cathedral ceilings and ...Sep 19, 2016 · Attic floors over flat ceilings are often the easiest part of an exterior building envelope to insulate. They are usually accessible and have ample room for insulation. However, many homes use cathedral ceilings or have attic knee walls that present unique insulation requirements. ATTIC VENTILATION Most building codes require roof vents to …Mar 20, 2023 · The almost universal method of cathedral ceiling construction is this: Support a ridge beam at each end, usually between brown feature brick walls. Place rafters between the external walls and the ridge beam. Rafter depth is usually 190 or 240mm. Line over the rafters with 15mm thick pine lining boards. 4 days ago · Advantages. Both Cathedral and Vaulted ceilings offer many positive features when implementing them into your architectural design. The most obvious advantage is the added space and the illusion it creates. The peaks open up the otherwise simplistic ceiling space, producing a sense of airiness and grandeur.Here are four mistakes to look out for and avoid at all costs if you decide to DIY your cathedral ceiling insulation. 1. Moisture Control. When fitting your cathedral …Sep 14, 2012 · Sheets of 6-mil plastic applied over the rows of unfaced insulation in rafter bays provides the proper moisture barrier. Overlap the seams by a few inches for full coverage. Moisture barriers go on the warmer side during heating season, which typically means the heated attic or living space. Advertisement.In order for insulation to be held in place in your ceiling, it's necessary to build a timber batten frame to hold them in place. If the insulation has nothing to hold on to it will sag and fall. However, the issue now is that once the frame and insulation are installed you'll have to cover the entire assembly with Gyprock.Feb 7, 2023 · This is due to the closely packed, air-tight structure of this insulation material. The R-value of closed-cell spray foam is around 6.5 per inch of its thickness. Therefore, closed cell spray foam insulation needs to be 7 to 8 inches thick to achieve R49 insulation rating (49/6=7.537 inches).5 days ago · Cathedral Ceiling. Northern Zone of the USA – With Reflectix® Below the Mass Insulation: R-7.0 Summer & R-1.0 Winter and a Vapor/Moisture Barrier. Southern Zone of the USA – With Reflectix® Above the Mass Insulation: R-6.0 Summer & R-2.0 Winter or a Radiant Barrier – Blocks 96% Radiant Heat.Oct 5, 2022 · The use of R38 for ceiling and attic insulation is dependent on climate zones, as you can see in Table N1102.1.3 of the International Residential Code (IRC). You also need to check your local building code to confirm the recommended R-value before proceeding with your project. The R-values presented in the table are minimums, so R38 …Learn how to insulate your cathedral ceiling with different materials and methods, depending on your climate zone and roof design. Compare vented and unvented assemblies, rigid foam and fluffy insulation, and R-value requirements. See moreJun 9, 2017 · Application: cathedral ceiling; Designed to eliminate R-value loss caused by compressing standard R-30 products in 2 in. x 10 in. cathedral ceiling construction; Provides 1 in. of ventilation air space between the insulation and roof deck; Insulation will not slump within the cathedral ceiling cavityMar 4, 2024 ... Insulating a cathedral ceiling can seem like a daunting task. · The key is choosing the right insulation strategy for your needs and budget.Aug 12, 2015 ... As for cathedral ceilings, they seem simple at first glance, but must be built to rigid standards. You CANNOT use any air permeable insulation ...Sep 7, 2023 · 12.4 inch. Blown-in Cellulose. 9.3 inch. Rock Wool – blown in. 10.9 inch. Rock wool batt. 8.87 inch. R30 insulation thickness for different types of insulation. As you can see from the table, the thinnest R30 …Find out why insulating a cathedral ceiling requires you to either add a sandwich roof structure or a scissor truss, both of which change the shape of your ...Dec 15, 2017 · Building codes allow builders (in some circumstances) to install less insulation in a cathedral ceiling than is required by the prescriptive code table. This option is only available if the area of the cathedral ceiling is small, and if the insulation fully covers the top plate of the exterior wall near the eaves. Image Credit: Fine Homebuilding Among cathedrals worldwide bearing the name Saint Paul, the most well-known is St. Paul’s Cathedral in London, an Anglican cathedral where visitors can climb 528 steps to the Golde...Saint Patrick’s Cathedral is a masterpiece of art and design that has stood the test of time. This magnificent cathedral, located in the heart of New York City, is a must-see for a...Ceiling insulation. Start from the top with your ceiling insulation, and make sure that heat can't escape. Underfloor insulation. Once you’ve insulated your ceilings, do the accessible spaces between the ground and your floor. Wall insulation. Keep the heat on your side of the glass, with wall solutions to fit most budgets. WindowsMay 15, 2021 · Here are a few best practices to remember when insulating vaulted ceilings: Inspect the space and determine insulation thickness. Plan for moisture issues. Consider outside Insulation. Install the insulation properly. Wear the proper protection. It's essential to know how to insulate vaulted ceilings to prevent the insulation from falling and ... Apr 13, 2023 · Figure 1. Vented Ceiling – Across Rafters . ATTICS AND CATHEDRAL/VAULTED CEILINGS. Johns Manville APTM Foil-Faced insulation sheathing board is an excellent choice for insulating attics and cathedral/vaulted ceilings. Polyiso provides one of the highest R-values per inch of any rigid insulation (R-6 at 1 inch). When …May 11, 2019 · 1- Cathedral ceiling with only r30 faced fiberglass batts. (open to vented attic space behind knee wall BUT no ridge vent at the top. 2- Knee wall and attic space, no soffit vents, only Gable vent, and low profile vents Mid-way up the roof no insulation at the moment . Possible solutions for insulation attic area behind Kneewall and cathedral ...Cathedral Ceiling Advantages. A cathedral ceiling maximizes the vertical space in a room in a way that conventional flat ceilings cannot. The addition of a cathedral ceiling will instantly elevate the look of your home. Higher ceilings such as this are much more space-efficient than a flat ceiling and certainly more interesting.Nov 27, 2019 · To him, this was not worth it. 30ish% of my roof surface is cathedral at 350 sq ft. R-39 cost per square foot – $9.91. R-50 cost per square foot – $12.12 (cost increase is exactly in line with R value increase) I know code is R-49. I also know that I see R-60 recommended often on this site.Oct 16, 2009 · The ceiling should be dropped to investigate and probably remove existing insulation, deepen the ceiling cavity (perhaps with cross-hatched framing or a dropped ceiling), re-insulate and install new drywall. ... I have two cathedral ceilings, and both were insulated with closed cell foam. One is unvented, the other has a dropped ceiling. I have ...Find out why insulating a cathedral ceiling requires you to either add a sandwich roof structure or a scissor truss, both of which change the shape of your ...St. Patrick’s Cathedral is not only a historical landmark in New York City, but it is also a place of worship for Catholics and a popular tourist attraction. Attending mass at St. ...Aug 29, 2015 ... You can put your foam insulation over the roof sheathing as much as you like or even roxul, then you cover that and put a 2x4's as a spacer for ...Cathedral Ceiling Advantages. A cathedral ceiling maximizes the vertical space in a room in a way that conventional flat ceilings cannot. The addition of a cathedral ceiling will instantly elevate the look of your home. Higher ceilings such as this are much more space-efficient than a flat ceiling and certainly more interesting.Mar 10, 2013 · This is especially true in cold climates where ceilings need more insulation to maintain comfortable indoor temperatures. In moderate climates, insulation with R-19 or R-30 thermal values is often sufficient. In colder regions, builders install ceiling insulation with thermal values up to R-49. The best method to insulate a cathedral ceiling is with spray foam insulation. The crew will cut panels and spray the foam. While the installation process is somewhat invasive, spray foam insulation creates the air barrier you’re looking for to stop air leakage. That doesn’t really specifically answer your question, so let’s really break ... The changes reflect updated code information, new information about open-cell foam and EPS insulation, and a clarification of the term "air-impermeable insulation."] Questions about building cathedral ceilings have troubled energy-conscious builders for decades. Common questions include: With only the depth of the rafter to work with, how do we ...Nov 16, 2023 · Looking for some advice about what to do with cathedral ceiling insulation. I’ve read the article and it got me thinking, which is better: more insulation or more airflow? We live in Canada, climate region 5. We have a dormer window above which there is a cathedral ceiling. It’s about a 5’ x 6’ zone that is constructed out of 2x10s.Insulation ratings are measured in R-values per inch of thickness. An R-value tells you how well a type of insulation can keep heat from leaving or entering your home. Insulation R-values vary based on the type, thickness and density of the insulation material. Typically, a higher insulation R rating means better climate control and better ...Cathedral & Flat Ceilings. Install a continuous layer of vapour barrier over the warm-in-winter side of your ceilings and seal it with caulking or tape, leaving at least a 6” overlap over the joints. Make sure you have appropriate venting by installing rafter vents or soffit and ridge vents. These will help air circulate behind your batting ...ENERGY STAR Single-Family New Homes, Version 3/3.1 (Rev. 11) National Rater Field Checklist. Thermal Enclosure System. 2. Fully-Aligned Air Barriers. 7 At each insulated location below, a complete air barrier is provided that is fully aligned as follows: Ceilings: At interior or exterior horizontal surface of ceiling insulation in Climate Zones 1-3; at interior …R-38 insulation is best used for application in attics and cathedral ceilings; Each R-38 fiberglass insulation batt is 12 in. D x 16 in. W x 48 in. L; Each individual bag covers 58.67 sq. ft. of R-38 insulation; R-38 R-value improves personal comfort in your home or office; R-38 insulation has high-quality materials made of resilient fibers for ...Those attractive sliding glass doors are a source of heat loss. Learn more about insulating sliding glass doors. Advertisement A sliding glass door can be a great source of heat lo... Putting an addition on – cathedral ceiling – pitch is 12/12 with 2×10 rafters. Spray foam, closed cell is way out of our budget. Husband wants to do rigid foam boards – double and triple layer (have a friend who takes used foam boards out of steel commercial buildings – we can pick and choose our boards). Nov 27, 2019 · To him, this was not worth it. 30ish% of my roof surface is cathedral at 350 sq ft. R-39 cost per square foot – $9.91. R-50 cost per square foot – $12.12 (cost increase is exactly in line with R value increase) I know code is R-49. I also know that I see R-60 recommended often on this site.A ceiling fan adds function and beauty to a space. It can help keep your room cool during sweltering days while providing visual interest. Following are some tips on how to choose ...The 2006 International Residential Code requires ceilings in Roy’s area (Climate Zone 5) to be insulated to at least R-38, Holladay says. If part of each rafter bay …May 10, 2023 · This higher open style is known as a vaulted ceiling or cathedral ceiling. The Spruce / Almar Creative. ... Priced comparably with conventional R-30 insulation (around $1.60 to $1.70 per square foot), high-density reduces the thickness of …May 1, 2011 ... Typically, cavity insulation consists of fiberglass blankets or cellulose insulation. Relatively speaking, fiberglass insulation is the most ...Oct 31, 2019 · The total cost for the insulation was under $3000. The Kooltherm K18 sheets, totalling around 58 m2, cost $2150 delivered, or about $37/ m2. The 95 m2 of underfloor insulation cost $720 picked up, or around $7.50/m2. The electrical work and builder assistance cost about $1000.Ensure insulation extends to the outside edge of the exterior top plates and to the peak of the cathedral ceiling. Ensure ends of insulation are butted together and flush to underside of framing. When using kraft-faced batts: Fasten kraft face tabs of insulation to the underside of framing members. Note: no kraft paper overlapping required.The National Cathedral, located in Washington, D.C., is a magnificent architectural masterpiece that has long been a symbol of faith and spirituality. In today’s fast-paced world, ...Jan 16, 2020 · Vaulted vs. Cathedral Ceilings “Typically, a cathedral ceiling matches the shape of the roof pitch while a vaulted ceiling sits below the roof and can be different,” Kadlec says. While a cathedral ceiling has equal sloping sides that are parallel to the actual pitch of the roof, a vaulted ceiling does not follow the roof's pitch, with more ...Johns Manville Formaldehyde-free kraft-faced thermal and acoustical insulation offers R-Values up to R-49. It is ideal for moisture control in exterior walls, reduces sound transmission in attics and ceilings, and if offered with thinner profile option designed specifically for cathedral ceilings.Learn how to insulate your cathedral ceiling with different materials and methods, depending on your climate zone and roof design. Compare vented and unvented assemblies, rigid foam and fluffy insulation, and R-value requirements. See moreIn order for insulation to be held in place in your ceiling, it's necessary to build a timber batten frame to hold them in place. If the insulation has nothing to hold on to it will sag and fall. However, the issue now is that once the frame and insulation are installed you'll have to cover the entire assembly with Gyprock.
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Insulated cathedral ceilings are a relatively recent phenomenon. The craze for insulated cathedral ceilings (and great rooms) really took off in the 1970s and 1980s, when examples began popping up like mushrooms after a warm rain. In those days, most builders stuffed cathedral ceiling rafter bays with fiberglass batts.Dec 11, 2020 · Five Cathedral Ceilings That Work. By Martin Holladay | December 11, 2020. A vented assembly with fiberglass or mineral wool insulation. This is the traditional way to insulate a cathedral ceiling. Note, however, that this approach requires deep rafters or scabbed-on 2x4s to add depth. The illustration shows an assembly with R-38 insulation ... Feb 14, 2014 ... Closed cell spray foam is the best choice for vaulted ceilings because it does not absorb water and is currently the best air sealing on the ...What do building codes require? What risky practices should be avoided? What is a cathedral ceiling? This article will discuss insulated sloped roofs. The methods …Yay, no moisture problem. But it was very cold inside... A person could do a very good job of insulating a cathedral ceiling if they put rockwool or some ... Sixteen-inch-deep wood I-joists insulated with dense-blown cellulose create a high-R cathedral ceiling. However, the high cost of the I-joists and the complicated ridge and eaves details associated with I-joists make this the author’s least favorite system. As a builder in the Energy-Crafted Homes (ECH) program in Massachusetts, I’ve been ... Mar 5, 2010 · Here are four mistakes to look out for and avoid at all costs if you decide to DIY your cathedral ceiling insulation. 1. Moisture Control. When fitting your cathedral ceiling insulation, many people don't realize that you have to install a moisture control system. A traditional method involves putting insulation into your cavity, leaving a ... Apr 20, 2022 · Option 1: Nail 3.5″ of rigid polyiso below the rafters, which will rob me of 3.5″ of scarce headroom. Option 2: Add ≈2.5″ of depth to my rafters with furring strips and increase the depth of spray foam. This solution also robs headroom but a smidgeon less, and hanging sheetrock might be easier without the rigid foam.Aug 6, 2019 ... An unfinished attic allows room for a thick blanket of insulation (R-49 to R-60 is recommended for northern states). In contrast, a cathedral ...05-01-2001, 10:50 AM. Re: Cathedral ceiling insulation. I think this sounds like a reasonable plan. Here is couple of ideas worth thinking about. Crushing the insulation will reduce the overall R-value a little, but not worth worrying about. You need good venting the way this system is built. I would recommend using baffles/chutes that are ...The National Cathedral, located in Washington D.C., is not only a stunning architectural masterpiece but also a place of deep spiritual significance. Known for its impressive Gothi...Jun 13, 2016 ... 1" gap plus 1/2" rigid leaves you with 4". No real benefit of stuffing that R-19 in there as it is the depth that determines the r-value and .....Mar 26, 2018 · Insulating Unvented Cathedral Ceiling. My wife and I are designing and building a home in Western Washington (I’m a professional structural engineer). One of the spaces is a great room with a cathedral ceiling featuring exposed trusses. Due to the configuration of the roof (specifically, an adjacent roof with a perpendicular ridge that ...May 1, 2011 ... Typically, cavity insulation consists of fiberglass blankets or cellulose insulation. Relatively speaking, fiberglass insulation is the most ...Fiberglass insulation is the next option for your cathedral ceiling. Fiberglass is installed by stapling the batts to the underside of the roof before the drywall is hung. Pros: A …Feb 14, 2024 · There are a couple of important places where you should use faced insulation: Cathedral Ceilings: With cathedral ceilings, faced insulation can act as a greater barrier than would typically be there in the form of an attic.Since cathedral ceilings don’t have an attic layer as a temperature and weather barrier, the insulation steps in.7.5K. 432K views 2 years ago 5 products. Andrew Phillips shows the proper way to install Attic Ceiling insulation batt and Cathedral Ceiling insulation batt. Watch this video …Updated: February 12, 2023. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open. Cathedral ceilings are a ….