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Ensure the overhang is less than two feet from the roof deck tail to stabilize it against the roof. The shingles should also overhang the drip edge 38 to 1/2 an inch. Ensure the drip edge extends over the fascia by one or two inches. A Homeowner's Guide to Fascia and Soffits | Hunker Brick veneer soffit gap: block and drill weep holes? Pierce the inner seal of the tube with the tool attached to the caulking gun. Pull the fascia up or down until the corner of the speed square hits somewhere near the center of the top edge of the fascia, and nail the fascia in p. Leave a gap of -inch between the sheathing panels to allow the roof sheathing to expand and shrink during different weather. Felt Underlayment: It is a waterproofing layer . Staggering panels by at least two supports is recommended. First--you may get more responses to your question if you post under "Genral Discussion". I appreciate your advice. Plank decking was the main type of decking used before the invention of plywood. Large Gap Between Wall Sheathing Panels OK? Use a 10d box (0.128-inch-by-3-inch) nail as a spacer to gauge 1/8-inch edge and end spacing between panels. The two types of roof decking. #1 Home Improvement Retailer. Above Deck Rigid Foam Insulation for Existing Roofs Finish your roofline and protect the fascia board with the Amerimax Home Products 10 ft. Musket Brown Aluminum Roof Apron Flashing. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. Use galvanized roofing nails to nail the rafter extension to the old rafters. Your roof overhang should extend at least 3/4 to 1 inch beyond your roof to keep water from running inside your walls. What would be wrong with putting the gutter right over the flashing that extends down the fascia and screwing the gutter through the flashing to the fascia. If your roofing contractor finds a gap larger than 1/8", the boards will need to be replaced after your old roof is torn off. DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. To prolong your roof sheathing, follow the sheathing spacing recommendations of your local building code or the APA Rated Sheathing. Replace the old shingles and sheathing or use new replacements to cover the open side of the roof. It's vital to lay down a "starter" section of shingles along the eaves; otherwise, water will invade the sheathing under the bottom shingles' cutouts. PDF Guidelines for asphalt shingle roofing - Minnesota This will protect a roof from most types of damage. Leave the gutter for some minutes, allowing it to dry. Although, if it is a large gap, it can be dangerous to the house, as it will be susceptible to rodents and moisture. Follow these 5 simple construction steps when installing roof sheathing: (and scroll down to see more details on each, with installation hints and tips, below) Step 1: Check the nailing surface is level Step 2: Ventilate the roof according to current building codes Step 3: Properly fasten panels (including fastening and spacing hints) You might remember me from such forums as "my flashing on my roof suck" :). Drip edge metal, valley flashing, dormer, chimney, and kickout flashing are types of roof flashing that shed water away from the connections between roofs, walls, chimneys, and other building assemblies roof valley flashing . Remove existing roofing and non-adhered underlayment to expose roof sheathing. I started my attic air sealing and insulating project this morning. Condensation Control in Attics and Roofs in Cold Weather Sign up today! Or should I install a drip edge (as there is not one at this point)? In view B, the sheathing overlaps the tail end of the rafter by the thickness of the fascia material. It is not uncommon to have a gap between your roof sheathing and fascia. (Must Read), Cost To Build Garage With Rooftop Deck? Roof sheathing thickness: For improved performance, consider thicker panels. Cut the tip on a tube of exterior, waterproof caulk at a 45-degree angle, advises The Exterminators. Copyright 1995-document.write(new Date().getFullYear()) MH Sub I, LLC dba Internet Brands. Framing and Trim Flashcards | Quizlet Some of these factors include: After considering the factors, inspect the roofing thoroughly and choose a solution that fits it. New Roof and Gutters - 4 Things Everyone Always Gets Wrong - MasterShield By the way, I am getting ready to put a new roof on before the gutters. Keeping The Heat In - Section 5: Roofs and attics - NRCan At the transition point between the overhang and the posts the roofline, the fascia brings more attention to the area. But there are ways to achieve more reliable business metrics, Dont let the current hype about single-family B2R communities obscure the need to create long-term sustainability and asset value, NAHBs Housing Developments podcast explores potential solutions for a frenzied post-pandemic business environment. Should I See Daylight in My Attic? - George J Keller & Sons, LLC Subscribe for unlimited access. Sep 14, 2013. the gap should only be about 1 1/2" on each side. Inspect the fascia boards for damaged areas. Read More Roofing Companies That Offer Roof Certification (A 4-Minute Read)Continue, Should Roof Sheathing Be Flush With Fascia? (Must Know)Continue. Fasteners should be 3/8 inch from panel ends and 3/8 inch from panel edges (see hints below). Pro Builder is an advertisting supported site and we noticed you have ad-blocking enabled in your browser. Im in zone 4a, approximately 1000 sq ft attic. No problem! I doubt that that is the root of the problem though. A 1/8-inch space between adjacent panel end and edge joints is recommended, unless the panel manufacturer indicates otherwise. This will save you the cost of paying a roofer for the repairs. Position panel. The existing space between the ceiling and roof can be dense-packed with cellulose or glass fibre loose-fill insulation by a contractor. That mesh can put when they were replacing plywood. Protects the roofline against rotting from winter weather like ice and snow. Hope the shingle overhang is enough to cover the newly installed drip edge. Check for damages to the fascia board. This site is protected by reCAPTCHA and the Google. Metal Mesh in Drywall: All You Need To Know, Does Drywall Tape Need To Be Completely Covered? Start your subscription today and save up to 70%. How far should rafters overhang? Gaps between the roof and an adjacent wall, like a second story or dormer, most likely need sealing up to prevent leaks, insulation issues, and rodent infestations. Caulk about 2 feet of the joint and stop to smooth the bead with your finger. Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. Fascia boards attach to rafter ends along the roof line. Stand on the panel over the framing near the fastener location to ensure contact with framing while driving fasteners. At intermediate supports, fasten panels 12 inches on center. Also, ensure that your roofing constructor installs a drip edge. Come join the discussion about the industry, safety, finishing, tools, machinery, projects, styles, scales, reviews, accessories, classifieds, and more! 1. However, if there is a space between the roof sheathing and the fascia, you might have to install a drip edge above the fascia to protect fascia from moisture. How do I get rid of squirrels and other rodents for good? Start by installing the drip edge flashing along the overhang, then lay your three-tab shingles on the roofs edge. Do I need a gap between doorway framing and shelving? There are gable vents. Anyway, depending on how big the gap is, I would just install drip edge. But if the roof is new, you should call your contractor to finish the job, especially if the job was incomplete. Live from the International Builders' Show, Josh Salinger discusses keeping water out of basements with this membrane from Delta-MS. It can also deteriorate your walls, causing them to crumble. Then keep the fascia board in place until the edge of the speed square aligns with the center of the fascia board. Two popular sealants for this kind of project are caulk and expanding spray foam. If no drip edge, the shingles at that point should at least be doubled (for stiffness and to prevent water from flowing through the slots between tabs). Both parts provide a finished look and keep bugs and critters out of your attic, while soffits also play an important role in ventilating the attic. This indicates the upper edge of the first row of roof sheathingleaving enough overhang that the subfascia and fascia will tuck neatly underneath when the time comes. Weep holes provide ventilation as well as drainage. . Significant unsealed gaps can also cause molds on your walls. The siding underneath the overhang is known as the soffit. Dark Contrast This home features a red tile roof with a white stucco siding. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Do not use silicone caulk if you are painting the fascia boards. Should I remove the gutters and replace the fascia? However, if there is a small gap already, it is harmless. Sealants are quick fixes that can completely close the roof and wall gaps. For instance, the builders gap is necessary for roofing. The tools needed are: Below are the steps you can take to seal the gap between your wall and the roof. Roof deck sheathing Roof covering materials such as asphalt shingles must be installed on solidly sheathed roofs. Small gap between fascia and roof deck, drip edge sufficient? The typical maximum overhang is 2 feet. On my shed my sheathing does not protrude, Actually how both my house and shed are done is a 1 x 6 (house) 1 x4 (shed) fascia is installed to end of rafters, then 1 x 1 1/2 is tacked onto the fascia at the top. All information is provided "AS IS." Most roofs will be sheathed in plywood at least 3/8 inch thick. This is a gap between the fascia board (where the gutter is hung) and . I have searched the internet and get conflicting information. By Charles Owen-Jackson Shed trusses are no different from other kinds of roof trusses. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Homeowner here. This means we will identify all current and potential points of entry. To my way of thinking, the sheathing should overlap the rafters by the thickness of, and possibly even rest on top of, the fascia board. Ensure your roofer installs a drip edge before installing the sheathing. It seems like this gap is somewhat normal based on internet searches. Should exterior sheathing overhang foundation? - MassInitiative This how-to article is part of the Builder Tips series of publications from APA - The Engineered Wood Association. Understanding building requirements can be challenging if you do not know how it works. COPYRIGHT 2023 PROFESSIONAL BUILDER. Slowly move down the joint to apply a steady bead of caulk into the gap, instructs Ron Hazelton. Typical Life Span of a Copper Roof By Lewis Doe It's one of the most durable exterior materials. Roofing felt underlayment is well known for its effectiveness and efficacy in protecting the household from the elements. (Read This First)Continue, Gap Between Fascia and Plywood Roof Deck? Note that these are minimum code requirements, which have been found to be adequate under most normal circumstances. Roofing Sheathing/Plywood Overhang, Fascia thickness BSI-038: Mind the Gap, Eh! | buildingscience.com Website operating problems contact Webmaster. We welcome your comments and suggestions. On the other hand, the spray foams are for smaller gaps of about six inches. Water can also splash up from the interior of your gutters, constantly wetting your fascia. (Lets See), Does Roofing Felt Leak? your inbox. Flashing against a vertical sidewall shall be by the step-flashing method. How do I prevent this? Install eave drip edge flashings below underlayment and fasten to roof sheathing. 1. As mentioned above, if light is getting in, water will get in as well. In size, plywood sheathing comes in a four by 8 feet board or panel and ranges in thickness of ", ," and .". Should there be a gap between roof sheathing and fascia? A gap between the wall and soffit may indicate _____. Screws can be used for even greater withdrawal strength, but should be sized by the building designer. The flashing shall be a minimum of 4 inches (102 mm) high and 4 inches (102 mm) wide. Second, the water vapor impermeability of the foam sheathing has to be dealt with. However, this gap is the perfect place for pests and unwanted wildlife to enter your home. 2.47 in. x 10 ft. Musket Brown Aluminum Roof Apron Flashing Position the ladder on firm, level ground. Oops! The 10 Most Common Roofing Mistakes - Harry Helmet I attached a picture. Remove wrinkles and flatten the surface of the shingle underlayment before installing asphalt or fiberglass shingles. Also, consult your contractor to ensure you are on the right track. Pierce the seal of the tube with the tool in the caulking gun. If this might be a complicated task for you, contact your contractor. Is a band joist the same as a rim joist? HousingHow Roofing Should Roof Sheathing Be Flush With Fascia? That area is supposed to be open for venting the roof. Avoid standing between framing, which can induce panel deflection. I had a helluva time with a squirrel that got in here when the old fascia . The gap between the fascia and the roof decking is common in most homes. This gap is caused when roof decking is stopped too short and is not flush with the fascia. They shrink and I have 1/4" gaps between them. After the wood gets wet from moisture, the heat from the sun and the hot attic will dry up the wood. "I have learned so much thanks to the searchable articles on the FHB website. Continue this process and move your ladder if you have to until you have filled the gaps around the house. Allow the caulk to dry before you apply paint. How to Install Sub-Fascia and Roof Sheathing - Pole Barn Shop Build Part 11 Country Family Homestead 13.9K subscribers Subscribe 260 36K views 3 years ago In this video I trim my truss tails. Numbers do, in fact, lie. Position the other to extend outward past the typical roof sheathing length. In view B, the sheathing overlaps the tail end of the rafter by the thickness of the fascia material. HousingHow Roofing Gap Between Fascia and Plywood Roof Deck? SawStop's Portable Tablesaw is Bigger and Better Than Before, Podcast 543: Affordable Flooring, Replacing Replacement Windows, and Low-Flow Fans, Podcast 537: Members-only AftershowConversation With Builder Sam Friesen, Balancing Density and Privacy in Los Angeles, Plus, get an extra 20% off with code GIFT20, Fine Homebuilding Issue #313 Online Highlights, The Fine Homebuilding Interview: James Metoyer, 10 Steps to Install Crown Molding on Cabinets, Choosing the Right Construction Tape for the Job, Expert insights on techniques and principles. Measure up the rafter 45-3/4 inch from the cut end of the truss tail and snap a line along the trusses. Erecting a roof overhang is not difficult, but installing the overhang might require some expense and expertise. If you are applying the sealants yourself, avoid spraying the spray foam close to the lightbox and electric boxes. ALL RIGHTS RESERVED, The bookmark icon allows you to save any story to your account to read it later, Tap it once to save, and tap it again to unsave, 5 Steps to Proper Roof Sheathing Installation, Id like to receive the Pro Builder Daily Newsletter, Roofing Products: Asphalt Still Tops, Metal Growing in Popularity, 10 New Roofing Products to Spruce Up Home Exteriors, New Retrofit Design Guide for Metal Roofing, More articles about roofing and roofing products, How Owners Should Comply With OSHA Roofing Safety Guidelines, Limit Lumber Waste: 3 Effective Strategies for Home Builders, Construction Job Search? Two feet is the general maximum length for a typical roof overhang. However, this gap is the perfect place for pests and unwanted wildlife to enter your home. The Fora platform includes forum software by XenForo. Insert the tube into the caulking gun and push the plunger in. it depends where the lights appear. Built on the Genesis Framework. Although the dimensions of metal roofs can vary depending on the material the panels are made from, both metals are shaped into two, They can make the overhang of the main roof wide enough to protect them They can integrate a gable roof overhang or roof crickets with the main roof to protect them They can attach a smaller roof to the wall above every door or window They can create a recessed entry, in which doors are set back from the exterior plane of the wall. Installing a drip edge may not seem necessary until you encounter damage from leaks on your roof. All Rights Reserved. During the installation of OSB, the rough surface side should be facing up. Measure and cut out the rafter extension from lumbers the same size as the old rafters on your roof. In Todays Market, Who Has More Incentive to Move: Renters or Buyers? This is a gap between the fascia board (where the gutter is hung) and roof decking. Have our wildlife experts come out and conduct a full exclusion of the pests. If the gap is say larger than a quarter inch, you might consider replacing the fascia. A forum community dedicated to professional roofers and enthusiasts. Go through the contract, check for an error, and then call and inquire about the gap. 8 / 12. These, Read More Difference Between Terrace And Roof? Are Roof Decking and Roof Sheathing the Same Thing? (4 Things to Know) Water often follows around your shingle edge and can wind up flowing down your fascia, behind your new roof and gutters. Drip edges are metal sheets, usually shaped like an "L," installed at the edge of the roof. For a better experience, please enable JavaScript in your browser before proceeding. Without the drip edge, the water from the roof can leak the sheathing edge grain, causing it to rot the fascia and sheathing. I noticed some old bee nests in the insulation near the eaves. If you continue to use this site we will assume that you are happy with it. Roof Drip Edge Dimensions & Sizes Profiles, metals, & thicknesses Plywood or OSB roof sheathing is also subject to sunlight, heat, and hot air in your attic space. You can place the roof drip edge above the roofs cover, between the roof sheathing and the fascia. Common Roofing Errors | JLC Online In addition, fixing a drip edge to your roof sheathing, though expensive, can save you from frequent fascia repair. A collection of one thousand construction details organized by climate and house part. If asphalt shingles are installed over sheathing . How to Install Roof Sheathing // Roof Framing Part 8 - YouTube Dec 9, 2009. Screw the fascia board in place. When placing your fascia, ensure that the edge of the fascia board is at the same level as the sheathing. How To Install Drip Edge the Proper Way Queen Bee of Honey Dos On panels with a screened surface or skid-resistant coating, install panels with the non-skid surface up. These mold growths can leave dirty brown, black stains on your walls. Unless otherwise recommended by the sheathing manufacturer, cover the sheathing with shingle underlayment felt to minimize exposure to weather. Testing Drip Edge Installations on Roofing - This Old House That'll prevent the bypass of the gutter and the drip edge by wind-driven rain. Use temporary fasteners at corners if needed to square panel on framing. Roof gutter leaks, installation or design troubles - InspectAPedia Move to the next fascia board and repeat Step 3 to caulk the entire board and the corner joints. Decking. (Beginners Guide), Rain Noise on a Caravan Roof Put a Stop to it (Complete Guide), Nail Plate Thickness: All You Need To Know), Roof Dry-In Inspection (Must Read This First), Why Dont Europeans Use Tar Shingles Roofs? After framing the roof, sheathing overhang, cover the rafter extensions, the open sheathing, and three-tab shingles. Moreover, if you will be installing it yourself or need advice on how to install it, here are some tips: Water can infiltrate your roof if you do not carefully seal and attach fascia boards. The roof of a building adds value and shows individual personality,, Read More Why Dont Europeans Use Tar Shingles Roofs? Because the roof shingles only cover the gap, squirrels and other pests can wriggle under the shingles and slip right inside! How far should roof sheathing overhang rafter tails? Installing And Removing a Tar and Gravel Roof By Justin Stewart It's messy and laborious, but easier with the right tools. So, have a builders gap? The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge. Don't look at me. It directs water flow from the top and protects your roof foundation from premature damage. Overhangs wanted for shading should be minimally 24 inches. First, ensure it is on level ground. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. A caulking gun and exterior waterproof caulk are the primary items you need to seal your fascia and keep water and insects out of your home. A gap between the roof sheathing and fascia looks bad and allows water to enter the fascia. How to Put Rigid Foam Insulation on the Roof Before Putting on Shingles, The Exterminators: The Importance of Sealing Soffit and Fascia Gaps with Caulking, Ron Hazelton: How to Caulk Cracks and Gaps Outside, Fine Home Building: Making Sense of Caulks and Sealants, How to Caulk the Window Trim on Lap Siding. Should there be a gap between roof sheathing and fascia? Use a chalk line or straight edge to align fasteners on framing. You can include enclosed eaves by installing soffits underneath the overhang to wrap the overhang space. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. But if an opening is more expansive than a quarter-inch, there might be a problem with the roofing. Install roof drip edge along the eaves, add underlayment, then place drip edge along the gable end. That sounds fine, I think. Do not seal rotted wood. Another question please. Begin by removing the shingles down to the wood sheathing and slip a strip of adhesive ice-and-water barrier (available where roofing repair products are sold) under the soffit/main roof joint. I didn't vote for either one of them. . Im concerned that this gap (with no mesh or anything) could let animals in. Place the tube inside the caulking gun and attach the plunger. Start at the end of a fascia board and caulk the corner edge where two boards meet. The shingles or drip edge should extend beyond the outer face of the fascia an inch or two. I am replacing my exterior crown moldling with fascia board to provide a flat surface for gutters, which are not on the house at present. The roofers put a piece of cobra ridge vent between the soffit and lower roof deck and also a piece of aluminum flashing right behind the fascia then caulked everything up. The roof drip edge also protects your fascia from moisture damage. Gap between fascia and sheathing - DoItYourself.com How far should roof sheathing overhang rafter tails? - Quora I am concerned about bugs and stuff entering the house through this gap and worse, water in the case of an ice dam. Install Insulating sheathing above the roof deck on existing homes. The drip edge wraps around the fascia and keeps water from leaking into the back of the fascia. In view A, the sheathing is started flush with the tail cut of the rafters. A large gap can cause leakage and pest infestation. This is the upper edge of the first row of roof sheathing, with enough overhang to allow the sub fascia and fascia to tuck neatly underneath when the time comes. The 10-in. The drip edge is better, since it wraps around the top of the fascia and will prevent water from wicking back behind the fascia. Similar questions. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. Fasteners for asphalt shingles shall be galvanized steel, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (3 mm)] shank with a minimum 3 / 8-inch-diameter (9.5 mm) head, complying with ASTM F1667, of a length to penetrate through the roofing materials and not less than 3 / 4 inch (19.1 mm) into the roof sheathing . In this article, we will go over typically caulked areas on the exterior typical Northwest-style homes, and also areas that should never be sealed. If the workspace you need from the attic is not enough for you after removing the fascia, you may have to remove the three-tab shingles and roof sheathing from the lower end of the work area. Use a screw gun to nail the fascia board in place. I'd bet a inadequate shingle overhang was the start of the prob, and no drip edge didn't help either. Start at the end of a fascia board and caulk the corner edge where two boards meet. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. For best appearance, use heavier weight shingles, or laminated or textured shingles. There's some discoloration but no frank mold/rot thankfully. I believe the leak to be water flowing off the shingles and behind the fascia. kidcharlemange | Posted in General Questions on March 13, 2021 12:25pm I started my attic air sealing and insulating project this morning.