5. 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. That area is supposed to be open for venting the roof. Trusses or rafters should be shimmed as necessary to provide a level nailing surface. Sep 14, 2013. the gap should only be about 1 1/2" on each side. Pierce the inner seal of the tube with the tool attached to the caulking gun. Of course! I'd bet a inadequate shingle overhang was the start of the prob, and no drip edge didn't help either. The roof deck should overhang the fascia by 1/3 inches to 1/4 inches so you can comfortably install a drip edge between your fascia and the roof deck. On this roof, the minimum overlap specified by the manufacturer is 4 inches, and the recommended overlap is 6 1/2 inches. This fascia board completely frames out the roof overhang of this small front porch. If you continue to use this site we will assume that you are happy with it. My question is, what kind of caulk should I buy to seal all these exposed nails that are already rusting? But if you do not space the panels, the plywood sheathing will curve to get to a particular radius. Stand on the panel over the framing near the fastener location to ensure contact with framing while driving fasteners. As long as the new drip edge covers the fascia gap by 3/4 of an inch or so, I wouldn't worry too much about the fascia gap. 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. If the sheathing goes all the way to the soffit and does not extend past the face of the soffit, Install a drip edge with a long leg from the outside. To prepare your roof for the new installation, separate the fascia from the roof deck and remove any finishing pieces covering the rafter tails. The lack of spacing between the panels can cause buckling and extra roof replacement costs. Because the roof shingles only cover the gap, squirrels and other pests can wriggle under the shingles and slip right inside! If they were added late (after the last re-roof), the shingles would likely have fallen short. Use materials in the roof assembly that can safely store water, like solid wood, treated cellulose, and plywood. It is not unnatural to see a space between the fascia board and the sheathing. A gap between the fascia and plywood roof deck is unnecessary. I believe the leak to be water flowing off the shingles and behind the fascia. Typical Life Span of a Copper Roof By Lewis Doe It's one of the most durable exterior materials. Start with the ice . (Must Know)Continue. (Must Read), Cost To Build Garage With Rooftop Deck? 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. Fascia and soffit are installed after the roof installation is finished. If you did not install a drip edge flashing between your roof sheathing and the fascia board on your roof, then you should cover any gaps between your roof deck and the fascia board. 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. Continue this process and move your ladder if you have to until you have filled the gaps around the house. sheathing thickness is greater than 15/32 inches, roof sheathing is required to be fastened with ASTM F1667 RSRS-03 (2 " 0.131") nails or ASTM F1667 RSRS-04 (3" 0.120") nails. Pierce the seal of the tube with the tool in the caulking gun. There are some reasons why there are gaps between your roof and wall. This is a dialog window which overlays the main content of the page. 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. Pro Builder is an advertisting supported site and we noticed you have ad-blocking enabled in your browser. Hope the shingle overhang is enough to cover the newly installed drip edge. Another question please. 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. A minimum net free ventilation area of 960 square inches for each 1,000 square feet (1/150th) of the ceiling area is required. Position the ladder on firm, level ground. 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. We welcome your comments and suggestions. 1. Next, install the shingles starting from the roofs edge, moving upwards till you have replaced all the shingles. Your roofing sheathing should be flush with the fascia board to keep the fascia from rotting due to constant water contact. Leave a gap of -inch between the sheathing panels to allow the roof sheathing to expand and shrink during different weather. These, Read More Difference Between Terrace And Roof? With the attic backto new, we will install drip edges and close any holes so that squirrels and any other pest will not have a place to enter your home. (Lets See). Net free ventilation area may be reduced to a minimum of 480 square inches for each 1,000 square feet (1/300th) when certain building code provisions are met (see Section R806.2 of the 2012 International Residential Code or Section 1203.2 of the 2012 International Building Code for more details). If asphalt shingles are installed over sheathing with gaps exceeding 1/4-inch, over time, these gaps may telegraph through and become visible. Roofing felt underlayment is well known for its effectiveness and efficacy in protecting the household from the elements. All Rights Reserved. To me where fascia and roof deck meet its not totally uncommon to have a bit of a gap like 1/8 to a 1/4 inch in some places. Sign up today! Note that silicone caulks are water-proof sealants and are best for exterior application. Edge clip requirements depend on the relationship of the panel Span Rating to the actual distance between roof framing. Remove existing roofing and non-adhered underlayment to expose roof sheathing. The drip edge is better, since it wraps around the top of the fascia and will prevent water from wicking back behind the fascia. You may freely link to this site, and use it for non-commercial use subject to our terms of use. However, the length of the hole in between should not be greater than a quarter inch. A gap between the wall and soffit may indicate _____. 1. When installing the drip edge, ensure it extends two inches over the fascia board. Provided the fraction isn't smaller than the minimum offset (as it is on this roof), this is an aesthetic issue and is much . The typical maximum overhang is 2 feet. That mesh can put when they were replacing plywood. In the U.S., it is almost always composed of woodusually OSB (oriented strand board) or plywood. This means we will identify all current and potential points of entry. Clearing the section will give you enough space to install the roof overhang. Smooth the caulk bead with your finger and begin caulking the joint between the fascia board and the soffit (also known as the eave). Hard to tell how large the gap is but its probably 1/2 or less. Install eave drip edge flashings below underlayment and fasten to roof sheathing. If water leaks into the exterior walls of your home, it will cause damage that will not be visible right away. If the gap is say larger than a quarter inch, you might consider replacing the fascia. This gap is caused when roof decking is stopped too short and is not flush with the fascia. Website operating problems contact Webmaster. For a better experience, please enable JavaScript in your browser before proceeding. Subscribe for unlimited access. the application of sheathing at the roof eaves. By creating an account, you agree to Pro Builder's terms of service and privacy policy. If you are applying the sealants yourself, avoid spraying the spray foam close to the lightbox and electric boxes. It can also deteriorate your walls, causing them to crumble. Avoid standing between framing, which can induce panel deflection. 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. Use a screw gun to nail the fascia board in place. You can place the roof drip edge above the roofs cover, between the roof sheathing and the fascia. 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. Staggering panels by at least two supports is recommended. 7. Plywood and OSB are ideal materials for roof sheathing systems, and following these simple construction steps will ensure optimal performance. say that I expect to be a life-long subscriber." This will protect a roof from most types of damage. At intermediate supports, fasten panels 12 inches on center. Cut the tip on a tube of exterior, waterproof caulk at a 45-degree angle, advises The Exterminators. Position a speed square on the rafter edge. 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 temporary fasteners at corners. The gap is meant to help with airflow throughout the attic. The roofer removed old roof on Thursday, put down new felt, but shingles didn't get delivered, and it snowed today (3"). Position the other to extend outward past the typical roof sheathing length. It seems like this gap is somewhat normal based on internet searches. 3 you can see usually a light where floor of the attic, meet roof this is the light from soffit /fascia area. I just had my roof redone and asked if there was anyway to close up these gaps between the fascia and lower roof and soffit and roof due to bat intrusion in the past. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. 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. When you dont seal the gaps in your roof, it can lead to leaks or rodent infestation through cracks in your wall. The flashing was added after all the shingles were up so it's wedged between the fascia and the board behind the fascia and bends inward toward the wall sitting on top of . Then with the staple gun, staple the wire to seal the gap. 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. Install baffles providing a minimum of 1 inch of clear space between framing and/or under roof decking at eaves to ensure that ceiling or roof insulation does not block ventilation paths. He installs an ice barrier (aka ice-and-water membrane), then drip edge, then the roofingweaving in step-flashing between each course. Table R803.2.3.1 specifies the maximum fastener On panels with a screened surface or skid-resistant coating, install panels with the non-skid surface up. Install a drip edge to keep water from leaking into the sheathing. (Things You Should Know)Continue, Knowing that knee walls are used to separate interior and exterior arrears in the attic is very important. 1.7K 357K views 6 years ago Roof Framing We go in depth on how to install roof sheathing. But if installed prior to gutters, leave a small outset of flashing to fascia so gutters can be installed behind flashing without having to go around tweaking out, bending/distorting flashing out , making room for gutter. kidcharlemange | Posted in General Questions on March 13, 2021 12:25pm I started my attic air sealing and insulating project this morning. Note that these are minimum code requirements, which have been found to be adequate under most normal circumstances. In view B, the sheathing overlaps the tail end of the rafter by the thickness of the fascia material. Numbers do, in fact, lie. For instance, the builders gap is necessary for roofing. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The holes you see lead to an air cavity that lies between the home's exterior sheathing and the bricks themselves. Warping will eventually lead to cracking shingles which can expose your roofing to more damage from water and moisture. These constant leaks could discolor your walls, leaving permanent stains. A slight derangement in some measurements may negatively affect the entire, Read More Nail Plate Thickness: All You Need To Know)Continue, We want the best whenever we decide to take on any construction work for residential or business purposes. Measure up the rafter 45-3/4 inch from the cut end of the truss tail and snap a line along the trusses. Measure the length of the gap and use the measurements to cut the size of wire mesh you need for the repair. I think that this practice differs by region though. Any ideas on how to close this gap. It will ensure the roof sheathing lines up with the top of the fascia center. What kind of caulk to buy to seal exposed nails on flashing? The soffit is the flat panel that covers the underside of the rafters between the back of the fascia and the outside of the house wall. Though it is uncommon, you should be concerned if the gap is more extensive than -inch. Staples are not recommended for roof sheathing attachment in high-wind areas. Caulking is a sealant that fills gaps, cracks, nail holes, and similar imperfections on the surface. Installing And Removing a Tar and Gravel Roof By Justin Stewart It's messy and laborious, but easier with the right tools. In view A, the sheathing is started flush with the tail cut of the rafters. Read More Roofing Companies That Offer Roof Certification (A 4-Minute Read)Continue, Should Roof Sheathing Be Flush With Fascia? I started my attic air sealing and insulating project this morning. I am planning to use a gutter that has a top on it (Leafguard) and I am not certain how this can be done any other way. This procedure keeps internal stress from accumulating in panels. How do I get rid of squirrels and other rodents for good? Most of the time, its fun, but some neighbors set, Read More Neighbors Fireworks Landing On My Roof (Must Read)Continue, Terrace and roof are two different and important terms that have a lot to do with the structure of a building. To prevent this from happening to your roofing, ensure to space your roof sheathing panels to allow proper ventilation. In a recent discussion with our local fire department, the fire inspector specifically noted that gaps associated with soffits, gables, and roofing are a serious fire hazard - anything that allows embers to enter your attic. Well in order to clear this up, the minimum you can do per code is; " R905.2.8.3 Sidewall flashing. No problem! The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. Both will help close the gap between your roof and wall and insulate your home. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. It not only takes you away from the same boring routine but gives you a chance to relax, Read More Rain Noise on a Caravan Roof Put a Stop to it (Complete Guide)Continue, In roof construction, it is important to get every measurement right. 5 Steps to Proper Roof Sheathing Installation Step 1: Always Check for a Level Nailing Surface. The shingles should also overhang the drip edge 38 to 1/2 an inch. This will mask surface imperfections and reduce the risk of shingle ridging. However, this wall needs, Read More Knee Wall Height Code: All You Need To KnowContinue, Fireworks are almost synonymous with New Year and Fourth of July celebrations. Although, if it is a large gap, it can be dangerous to the house, as it will be susceptible to rodents and moisture. 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. 4. Go through the contract, check for an error, and then call and inquire about the gap. Significant unsealed gaps can also cause molds on your walls. - M.K. Seeing holes in your decking usually means it's time for a roof . Check building code requirements for installation of panel edge clips. Insert the tube into the caulking gun and push the plunger in. Use temporary fasteners at corners if needed to square panel on framing. If your roof contractor handles your roofing project, ensure he installs a drip edge between the fascia and the roof sheathing. (Things You Should Know), Knee Wall Height Code: All You Need To Know, Neighbors Fireworks Landing On My Roof (Must Read), Difference Between Terrace And Roof? Apply caulk to nail holes also for added protection. and kept back from the edge one truss spacing. If water gets behind that, it would mean the the dormer valley is leaking, Roofing Talk - Professional Roofing Contractors Forum. The siding underneath the overhang is known as the soffit. standards set by the International Code Council, https://photos.app.goo.gl/zXN41MR5YXdPiVmG6. Therefore, seal the cracks as soon as you notice them or change the fascia board. Most roofs will be sheathed in plywood at least 3/8 inch thick. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Should I continue with my plan to add the baffles or do I need to address the gap first? Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". Notice that when the fascia is placed, the top edge of the fascia is even with the top of the sheathing. A large gap can cause leakage and pest infestation. Should there be a gap between roof sheathing and fascia? On the other hand, the spray foams are for smaller gaps of about six inches. It is extremely important to have proper fastener spacing on all panels. Or should I install a drip edge (as there is not one at this point)? I appreciate your advice. The problem: because the roof sags in places (its an old house) I will end up with in places an 1" to 1-1/4" gap between the top of the fascia board and the sheathing. APA - The Engineered Wood Associationhas introducedthe seventh article in its Builder Tips series of publications: Plywood and OSB are ideal materials for roof sheathing systems ranging from simple single-family residences to large commercial buildings. If fire is a concern, you'd presumably want to block it or cover with something like 1/8" metal screen. You must buy suitable plywood for the project. The horizontal board enclosing the ends of the rafter projections (or tails) is normally referred to as the _____ board. Attach your fascia boards along with the new extension. Sounds like you definitely need to install some drip edge. The roof sheathing should be flush with the fascia. Position panel. The cavity is about an inch . That said, overhangs can extend as far as 2 without the need for external supports. Understanding building requirements can be challenging if you do not know how it works. Re the fascia gap, it is normally installed tight, often the fascia is even installed up tight to the shingles, so that the roof sheathing is butted to the inside of the fascia. The drip edge doesn't just protect your shingles, it also helps protect your fascia board. This type of decking is made up of elongated and rectangular . To get an idea of what I am talking about GOOGLE "soffit and fascia",and you will see typical installations. What Is A Fascia Board On A Roof? It is designed to protect the roof's sheathing from water damage caused by rain, snow, or ice being blown or rolling back beneath the edge of the shingles. If there are rotten woods, remove and replace them with pressure-treated wood. Do not vent exhaust air directly into roof cavity or attic. Unless otherwise recommended by the sheathing manufacturer, cover the sheathing with shingle underlayment felt to minimize exposure to weather. 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. This will save you the cost of paying a roofer for the repairs. Many do-it-yourselfers make this mistake before they even begin. You can include enclosed eaves by installing soffits underneath the overhang to wrap the overhang space. Flashing against a vertical sidewall shall be by the step-flashing method. Water can also splash up from the interior of your gutters, constantly wetting your fascia. In other words, caulking is applied where moisture would otherwise penetrate and causing leaks and deterioration. It directs water flow from the top and protects your roof foundation from premature damage. Hence, sealing it can cause other issues. The gap is meant to help with airflow throughout the attic. The drip edge flashing is non-corroding moisture protecting metal you can attach to your roofs edge to serve as water drainage for your roof. Also called drip edge flashing or D-metal, they serve a vital function by directing water away from the fascia and into the gutter. Here is a list of some of the top roofing companies in the United States for commercial and residential property owners looking for a roof certification or roof inspection. Use the cutting tool on a caulking gun or a utility knife. Check for damages to the fascia board. The roof of a building adds value and shows individual personality,, Read More Why Dont Europeans Use Tar Shingles Roofs? This will keep leaks from occurring in your home. Soffits and fascia provide the roof with a finished look. 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 . A Proposed Solution to the Embodied Carbon Problem, A Look at State Premiers New Heat Pump Water Heater, Indoor Air Quality and Building Diagnostics. Finish your roofline and protect the fascia board with the Amerimax Home Products 10 ft. Musket Brown Aluminum Roof Apron Flashing. Dealing with dips and making clean overlaps Metal drip edge flashing is installed on the perimeter of a roof to direct . How do I prevent this? After framing the roof, sheathing overhang, cover the rafter extensions, the open sheathing, and three-tab shingles. Place the tube inside the caulking gun and attach the plunger. it depends where the lights appear. We can handle all of that for you. However it should be covered with a material made of aluminum or vinyl with a type of screen to allow air to enter but keep small animals and rodents out. Second, the water vapor impermeability of the foam sheathing has to be dealt with. If it extends far from the edge, it will interfere with the flashing. In this way, the. Given that scenario, Silva has developed a number of practices that take into consideration the potential for ice damming while also managing water run-off. 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. Doing some looking around for the source, I noticed that the fascia board does not meet the end of the roof sheathing at the end of the rafters. 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. Start by installing the drip edge flashing along the overhang, then lay your three-tab shingles on the roofs edge. Use galvanized roofing nails to nail the rafter extension to the old rafters. Smooth the caulk bead with your finger and begin caulking the joint between the fascia board and the soffit (also known as the eave). Jonathan Previous Water often follows around your shingle edge and can wind up flowing down your fascia, behind your new roof and gutters. Moreover, if you did not install a drip edge in your roofing, it could cause roof leakage. Loads will vary with the pitch of the roof; the flatter the roof, the greater the load on any one section. There is no dedicated soffit ventilation - what was there before was just rough gaps between the fascia board and the brick. Ensure to check around your house to seal all the gaps between your roof and the walls. The shingles should also overhang the drip edge 3 . COPYRIGHT 2023 PROFESSIONAL BUILDER. Although, if it is a large gap, it can be dangerous to the house, as it will be susceptible to rodents and moisture. Queen Bee of Honey Dos is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and other affiliated sites. Building requirements for roofing can be a bit of a hassle if you do not understand how it works.