how to add insulation to attic
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The Right Way to Add More Insulation to Your Attic Fiberglass insulation usually comes with a paper moisture barrier. Always make sure the vapor barrier is facing the heated portion of your home. If this were an attic, the barrier would be on the bottom. When adding insulation, you'll first want to bring the fiberglass up to the tops of the joists. To do this, use an unfaced insulation with no paper moisture barrier. Once you're level with the joist tops, you can add more insulation by running it at right angles to the joists.
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- The thicker the better. It is not uncommon to see 15 to 20 of insulation in a well insulated attic. If your attic insulation is only a few inches thick or if you can see the ceiling joists, you're wasting money on your heating and cooling bills.
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How to Install Fiberglass Insulation Begin laying in the insulation, starting at an area farthest from the attic access (Image 1). When rolling the insulation, cut it to length using a utility knife. Tip: When you reach the end of a line, pull the insulation back slightly, then place it on a joist so there is a solid surface to cut on. Using a straightedge as a guide, make your cut (Image 2). After making the first cut, use the remaining portion of the roll and work back in the other direction.
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Adding Soffit and Ridge Vents to Your Attic 1 Ridge and Gable Vents: To let hot air out of your attic, you also need either ridge vents cut into the roofing on the peak of your roof or gable vents at the top of gables in your attic. 2  Power Vent Fans: If you need additional attic ventilation, you can install vent fans in your attic.
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How to Install Underfloor Insulation in Older Houses Add a second batt to the end of the first between the two floor joists until you reach the opposite wall. Cut the insulation and kraft-paper cleanly with a utility knife where the insulation meets the wall, then install the remainder of the batt in between the adjoining joists.
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Ask Your Question You mentioned an attic fan as well. The heat that is radiated away from the ceiling by the Sol-Blanket Insulation is pushed out of the attic with an attic fan. The US Department of Energy states that radiant barriers do work and suggest they be installed by professionals.
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- User: Which group of algae is responsible for formation of kelp beds along the North American coasts?Select one of the options below as your answer: A. Brown algae B. Green algae C. Red algae.
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The Real Cost of Horse Ownership Expect to pay anywhere from $30 to $100 dollars a lesson. If you are planning on showing your horse, be prepared to get out your check book. At the introductory levels, a schooling show will cost about $200 when you add up trailer, coaching, office, and class fees. Show fees increase as one moves up through the levels.
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How to Install Radiant Barrier Foil Insulation This method also reduces the heat subject to attic mounted AC duct work thereby allowing them to work more efficiently. A secondary method of installation, instead of installing under the attic rafters, is to lay the foil insulation over the attic floor.
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- Enhancement and improvement costs. 1  Insulation or upgrade of attic access door; 2  Seal around chimney and framing with a high-temperature caulk 5 or furnace cement; 3  Check for water leaks while having work done; 4  Adding a radiant barrier in the attic if you live in a hot or warm climate; and.
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How to Install Radiant Barrier Foil Insulation Starting at one end of your attic, install our Ultima-foil breathable radiant barrier across attic floor joists, plywood decking or existing insulation. Use a stick (1/4 furring strip with nail in the end works well) to help push the barrier into the tight spaces of your attic.
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Insulation Buying Guide The easiest place to get a gauge on your home's current insulation condition is in the attic. You need up to 19 inches (or R-49) for efficiency. If you don't have enough, it may be an indication that your home is under-insulated and may not be properly sealed.
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- Drill a 1 5/8-inch hole into the top plate of the wall and extend the vent into the attic. Route it horizontally to the main vent stack. Tie it in with a reducing sanitary tee that fits the stack and the new vent. 1  PVC sanitary tee, 2-inch by 2-inch by 1 1/2-inch.  PVC cement.
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ENERGY STAR @ home tips Plumbing stacks, vents, ducts, or electrical wires often have holes or gaps around them that can allow the air in your home to escape through the attic, increasing your energy bill and causing drafts. Seal small gaps with caulk and seal holes up to 3 inches in diameter with spray foam.
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How Deep to Put Blown-In Insulation Insulation's effectiveness is stated as an R-value, the measure of how well the material stops heat from traveling through it. Higher R-values mean better insulation. [ref 3] Depending on where you live, experts advise an R-value of 30 to 60 for your attic.
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Basement and Stud Wall Fiberglass Insulation Installation Instructions Insulate Walls. Unroll insulation with the facing toward you and staple it every 4 inches to the top and middle furring strips. You'll need a helper and a couple of small ladders for this operation. Similarly install the bottom course, which may require cutting to fit between the middle and bottom furring strips.
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How to Install Insulation Between Floor Joists 2. Trim pieces of fiberglass insulation using a utility knife, so the pieces fit into joist bays along the rim joist. The floor joists are all fastened to the rim joist, which runs along the perimeter of the home and on top of the home’s foundation.Use a 2-by-4 as a straightedge where you need to trim the insulation.. Trim pieces of fiberglass insulation using a utility knife, so the pieces fit into joist bays along the rim joist. The floor joists are all fastened to the rim joist, which runs along the perimeter of the home and on top of the home’s foundation.
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How to Install Underfloor Insulation in Older Houses Begin at one end of the joists and work toward the center. Tuck the insulation between any electrical wiring, plumbing or duct work connected to the floor joists. Unfold the paper flaps on the sides of the batts and staple them to the lower inside faces of the floor joists every 6 inches with a construction stapler.
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Loft or roof insulation For a warm roof solution you will need to install insulation in the plane of the roof pitch, that is, immediately below the sloping roof. This will help to avoid your roof-space becoming excessively hot in summer or cold in winter, and will reduce heat losses from your roof.
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- Before you call a contractor, however, it's important to understand the options and costs involved. It can cost anywhere from $1,700 to $2,100 or between $1.50 and $3.50 per foot to insulate an attic depending on what insulation material you choose. Blown-in insulation is the least expensive option and ideal for older attics. Spray foam, while the most expensive, is best for noise reduction and new construction.
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- Make your next attic insulation project that much easier by adding a SmartCap™ Attic Recessed Light Cover to your list of hard working insulation accessories.
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Insulation Buying Guide Where to Insulate. The easiest place to get a gauge on your home's current insulation condition is in the attic. You need up to 19 inches (or R-49) for efficiency. If you don't have enough, it may be an indication that your home is under-insulated and may not be properly sealed.
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Adding Attic Insulation Saves You Money To determine how much to add, look up the recommended amount for your area, then subtract the value of your existing insulation. If you don’t know, you can figure it out using the Home Energy Saver online energy audit tool. is the author of 10 books about home improvement.
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ATTIC No matter what kind of insulation you currently have in your attic, one quick way to determine if you need more is to look across the span of your attic. If your insulation is just level with or below your floor joists (i.e., you can easily see your joists), you should add more.
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Adding Insulation to the Attic Adding Insulation to the Attic. A poorly insulated attic can cost you a lot in unnecessary heating and cooling costs. Fortunately, updating your attic insulation is an easy, do-it-yourself project, and The Home Depot can show you how it's done using quality Owens Corning insulation products. Browse Attic Products. Download Project Guide. Insulation Quick Tips.
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How to Calculate Attic Vent Area Needed When Adding Soffit Vents How to Calculate Attic Vent Area Needed When Adding Soffit Vents. 1  First mark off the space where you want the soffit vents to go, spacing them so they fit between joists or rafters. 2  Cut the hole slightly smaller than the vent itself with a circular saw or a saber saw. Don’t forget to wear eye protection.