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. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes), It prevents rodents and insects from entering the gap between the. Jobsite Saw PRO has a wider table, a new dust-control port, and a more versatile fence, along with the same reliable safety mechanism included in all SawStop tablesaws. The sturdy and reliable, Read More Roof Dry-In Inspection (Must Read This First)Continue, Roofs represent more than just the uppermost covering of a building. But if you do not space the panels, the plywood sheathing will curve to get to a particular radius. Of course! We welcome your comments and suggestions. Subscribe for unlimited access. It will ensure the roof sheathing lines up with the top of the fascia center. Cut the tip on a tube of exterior, waterproof caulk at a 45-degree angle, advises The Exterminators. The roof of a building adds value and shows individual personality,, Read More Why Dont Europeans Use Tar Shingles Roofs? How Far Should Roof Sheathing Overhang Fascia? Plywood or OSB roof sheathing is also subject to sunlight, heat, and hot air in your attic space. First, ensure it is on level ground. 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. Replace any cracked, rotted or missing siding, making sure the new piece overlaps the step flashing by at least 2 in. 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. . Dec 9, 2009. There are some reasons why there are gaps between your roof and wall. The drip edge is better, since it wraps around the top of the fascia and will prevent water from wicking back behind the fascia. Shingles should also extend slightly over the inside gutter edge to allow runoff of water into the gutter. For a better experience, please enable JavaScript in your browser before proceeding. On this roof, the minimum overlap specified by the manufacturer is 4 inches, and the recommended overlap is 6 1/2 inches. My question is, what kind of caulk should I buy to seal all these exposed nails that are already rusting? 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. The shingles should also overhang the drip edge 38 to 1/2 an inch. We use cookies to ensure that we give you the best experience on our website. 1. What Is A Fascia Board On A Roof? I believe the leak to be water flowing off the shingles and behind the fascia. These, Read More Difference Between Terrace And Roof? I am concerned about bugs and stuff entering the house through this gap and worse, water in the case of an ice dam. Your email address will not be published. How do I get rid of squirrels and other rodents for good? If necessary, trim panel ends to center on framing. I would be more concerned about a lack of drip edge than a small gap between fascia and roof deck. generally you need some ventilation in the roof it takes care of condensation. Warping will eventually lead to cracking shingles which can expose your roofing to more damage from water and moisture. Start your subscription today and save up to 70%. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? Looks ok to me, would have used white step flashing on the outside of the fascia, tall enough to slip under the drip edge. Your roof overhang should extend at least 3/4 to 1 inch beyond your roof to keep water from running inside your walls. To keep water and rodents out of your home, seal the gaps between your fascia using a caulking gun and some waterproof caulk. This will mask surface imperfections and reduce the risk of shingle ridging. Apply more caulk to the gap as needed to fill it completely. If you still have a leak, pull the corner boards free and check the overlapping flashing at the corner. You can include enclosed eaves by installing soffits underneath the overhang to wrap the overhang space. But if the roof is new, you should call your contractor to finish the job, especially if the job was incomplete. Also consider panel edge clips, or panels with tongue-and-groove edges. (Must Read). The two types of roof decking. Pierce the seal of the tube with the tool in the caulking gun. Solidly sheathed roofs include structural panels such as plywood and oriented strand board (OSB) with 1/8" gaps between panels as required by panel manufacturers. If fire is a concern, you'd presumably want to block it or cover with something like 1/8" metal screen. If this is an old house (built before roughly 1955, depending on region of the country) it may have originally been built without fascia, and with open soffits. Position panel. Though it is uncommon, you should be concerned if the gap is more extensive than -inch. The metal roof is made of galvanized aluminum or steel. Moreover, if you did not install a drip edge in your roofing, it could cause roof leakage. With drip edge, the shingles should still extend out, but mainly for cosmetic reasons, to cover the drip edge. Small gaps between your exterior wall and roof overhang could cause problems as time goes on. the application of sheathing at the roof eaves. The flashing helps guide runoff away from shingles and into the gutters. How far should rafters overhang? Stand on the panel over the framing near the fastener location to ensure contact with framing while driving fasteners. Use a chalk line or straight edge to align fasteners on framing. A gap between the fascia and plywood roof deck is unnecessary. Wood boards are also considered as solidly sheathed, Warm the primary condensing surfaces, typically the interior faces of roof joists and roof sheathing. It is ideal that soffit and fascia materials be installed before you place tiles or any other type of roofing material on the roof. Edge clip requirements depend on the relationship of the panel Span Rating to the actual distance between roof framing. Should I continue with my plan to add the baffles or do I need to address the gap first? Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. For vaulted or cathedral roof construction, provide a free ventilation path from eaves to ridge between all rafters. If your roofing is new, contact your roofing contractor and relay the issue to him when you notice the defect. The roof sheathing comes down and ends on top of the 1 x fascia. Use the cutting tool on a caulking gun or a utility knife. I attached a picture. This means we will identify all current and potential points of entry. 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. Don't look at me. Flashings will cover that gap. Position a speed square on the rafter edge. This fascia board completely frames out the roof overhang of this small front porch. your inbox. There are two types of sealants you can use to prevent leakage. 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. The gap is meant to help with airflow throughout the attic. The Fora platform includes forum software by XenForo. If you don't seal them properly, water can run off the roof and into your home. Flashing against a vertical sidewall shall be by the step-flashing method. Sep 14, 2013. the gap should only be about 1 1/2" on each side. If your roof contractor handles your roofing project, ensure he installs a drip edge between the fascia and the roof sheathing. Vent exhaust air from kitchens, baths, and laundry to the outdoors with vent pipes that run through the roof cavity or attic to roof ventilators. Plank decking was the main type of decking used before the invention of plywood. Come join the discussion about the industry, safety, finishing, tools, machinery, projects, styles, scales, reviews, accessories, classifieds, and more! Gap Between Roof Sheathing and Fascia 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. 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). Erecting a roof overhang is not difficult, but installing the overhang might require some expense and expertise. Hence, sealing it can cause other issues. Space the fasteners a maximum of 16" (406mm) apart for horizontal siding panels, every 12" (305mm) for vertical siding panels, and every 8" to 12" (203mm to 305mm) for accessories. 2023 The Taunton Press, Inc. All rights reserved. Caulk about 2 feet of the joint and stop to smooth the bead with your finger. At intermediate supports, fasten panels 12 inches on center. Installing a drip edge may not seem necessary until you encounter damage from leaks on your roof. A roof system consists of several elements working together to protect the home. So, have a builders gap? Table R803.2.3.1 specifies the maximum fastener Answer (1 of 6): The way we always do it is to install the fascia first. The typical maximum overhang is 2 feet. Although, if it is a large gap, it can be dangerous to the house, as it will be susceptible to rodents and moisture. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. This wall has 4 inches of foil-faced polyisocyanurate insulating sheathing installed over a 2x6 wood frame wall. Any ideas on how to close this gap. A fascia board is a thin longboard that goes along the bottom outside border of your roof and extends to the eaves. Scope. 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. There is really no way to prevent this. I appreciate your advice. 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. Im concerned that this gap (with no mesh or anything) could let animals in. (Beginners Guide)Continue, A roof protects your home from the sun and the rain, so youll want to keep it around, right? This feature has been temporarily disabled during the beta site preview. When pulling the existing fiberglass batts back from the eaves, I noticed daylight coming through a gap. Fasteners should be 3/8 inch from panel ends and 3/8 inch from panel edges (see hints below). 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. A collection of one thousand construction details organized by climate and house part. Should there be a gap between roof sheathing and fascia? The drip edge wraps around the fascia and keeps water from leaking into the back of the fascia. The tools needed are: Below are the steps you can take to seal the gap between your wall and the roof. All spaces between your roof and walls must be properly sealed. The shingles should also overhang the drip edge 3 . Lorem ipsum dolor sit amet lorem ipsum dolor sit amet lorem ipsum dolor sit amet. 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. Some of these factors include: After considering the factors, inspect the roofing thoroughly and choose a solution that fits it. Sealing gap between window buck and sheathing. Though it is expensive, it can save you lots of money in the long run. 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. How do I prevent this? In view B, the sheathing overlaps the tail end of the rafter by the thickness of the fascia material. Dark Contrast This home features a red tile roof with a white stucco siding. 1 thas the roof has a felt a toll ? The complete source for building, designing, and remodeling green homes. The roof drip edge should extend one to two inches over the fascia to protect it from moisture. There are two ways you can keep reading: Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. However, do not use a silicone caulk if you have not painted your fascia yet. Built on the Genesis Framework. Ensure your roofer installs a drip edge before installing the sheathing. The shingles should also overhang the drip edge 38 to 1/2 an inch. Each day, Pro Builder's editors assemble the latest breaking industry news, hottest trends, and most relevant research, delivered to your inbox. Two feet is the general maximum length for a typical roof overhang. 4. So seal the gaps in your fascia to prevent costly repairs later. As of 2021, if plank decking has more than a 1/8" gap between the planks, your roof decking must be replaced per the manufacturer's installation instructions before the roofing material can be installed. Set a ladder up to gain access to the fascia boards. During the installation of OSB, the rough surface side should be facing up. You need to know about the types of roof decking, the cost, and more. This is a dialog window which overlays the main content of the page. Slowly move down the joint to apply a steady bead of caulk into the gap, instructs Ron Hazelton. Insert the tube into the caulking gun and push the plunger in. 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. 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. I think that this practice differs by region though. Fasten panels in rows across the width, continuing this sequence along the length of the panel. I did not want to use gutter brackets and attach to the crown molding. Often, there's old, hardened caulk where the two pieces overlap at the inside corner. Some gaps between your roof and the wall might be there for ventilation. Ensure the rafter tail measurement is thrice the overhang length that you need. At the end of the vertical sidewall the step flashing shall be turned out in a . It resembles real wood and particularly strong and stable for bearing heavy load. As you can see in the photo, it is flush with the rafter ends and little support is provided for the drip edge. They shrink and I have 1/4" gaps between them. Like all slanted rooftops, plywood sheds moisture, though it is not waterproof, and when it comes in contact with water, it absorbs moisture. Ensure to check around your house to seal all the gaps between your roof and the walls. What is Builder's Gap? 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. (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? The gap between the fascia and the roof decking is common in most homes. In size, plywood sheathing comes in a four by 8 feet board or panel and ranges in thickness of ", ," and .". Does the gutter go under or over the flashing. Water often follows around your shingle edge and can wind up flowing down your fascia, behind your new roof and gutters. Gordon from Jacksonville Fl. How do I fix the gap between my roof and fascia? 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. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". 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. Your roofing sheathing should be flush with the fascia board to keep the fascia from rotting due to constant water contact. (Read This First). Install intermediate fasteners, starting at panel edge. A 1/8-inch space between adjacent panel end and edge joints is recommended, unless the panel manufacturer indicates otherwise. It will also cause your roof shingles to warp. Install a drip edge to keep water from leaking into the sheathing. and kept back from the edge one truss spacing. All information is provided "AS IS." I'd bet a inadequate shingle overhang was the start of the prob, and no drip edge didn't help either. A minimum net free ventilation area of 960 square inches for each 1,000 square feet (1/150th) of the ceiling area is required. In Todays Market, Who Has More Incentive to Move: Renters or Buyers? To really reduce lumber waste on your jobsites, you need to address your systems, Rsum-writing advice for construction industry job seekers, Home builders generally do a good job with blown-in-place attic insulation but should take care with these common trouble spots to ensure a better insulation job and greater home energy efficiency, COVID-19 may be easing its grip on the U.S. after a disastrous two years, but lingering supply chain disruptions have builders holding onto their pandemic business tactics, If you're running a home building company andbelieve numbers equal truth, think again. Sheet decking (also known as sheathing) is essentially flat sheets of wood, both of which come in two types: OSB and plywood. . Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. (Lets See), Does Roofing Felt Leak? How do I bridge this gap between drip edge and gutter. I think that this practice differs by region though. Apply a silicone caulk line to the gaps between the gutter and the fascia board. If water leaks into the exterior walls of your home, it will cause damage that will not be visible right away. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. Start at the end of a fascia board and caulk the corner edge where two boards meet. By Charles Owen-Jackson Shed trusses are no different from other kinds of roof trusses. There are several principal causes of gutter back-flow: The gutters or roof drip edge have been improperly installed (or roof drip edge was improperly installed) so that the drip edge lower or vertical face is placed behind the gutter back wall rather than over the gutter trough. If this might be a complicated task for you, contact your contractor. HousingHow Roofing Gap Between Fascia and Plywood Roof Deck? It directs water flow from the top and protects your roof foundation from premature damage. These distances may be increased if the manufacturer permits greater spacing based on wind load testing. Ice and water shield on top, and on that one a metal roof. It is extremely important to have proper fastener spacing on all panels. 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. This will save you the cost of paying a roofer for the repairs. Screw the fascia board in place. Replace the old shingles and sheathing or use new replacements to cover the open side of the roof. But if an opening is more expansive than a quarter-inch, there might be a problem with the roofing. 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. By the way, I am getting ready to put a new roof on before the gutters. Ensure the overhang is less than two feet from the roof deck tail to stabilize it against the roof. At the transition point between the overhang and the posts the roofline, the fascia brings more attention to the area. Once that is done, we will replace all insulation soiled by said pests. Protects the roofline against rotting from winter weather like ice and snow. 3. No problem! Shingle manufacturers specify a minimum overlap, usually in the range of 4 inches to 5 inches. 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. What is Builders Gap? The steam effect will then cause just a side of the wood to dry, retaining moisture and leading to wood defects. 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. Soffits and fascia provide the roof with a finished look. We can handle all of that for you. They should not extend more than this because shingles that are too long will corrode and break off. To prolong your roof sheathing, follow the sheathing spacing recommendations of your local building code or the APA Rated Sheathing. Place the rafter tails against the old rafters such that of the new rafter extension overlaps the existing rafters. In addition, fixing a drip edge to your roof sheathing, though expensive, can save you from frequent fascia repair. Alternatives to a Continuous Soffit Vent Use a screw gun to nail the fascia board in place. 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. The existing space between the ceiling and roof can be dense-packed with cellulose or glass fibre loose-fill insulation by a contractor. I started my attic air sealing and insulating project this morning. 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. Loads will vary with the pitch of the roof; the flatter the roof, the greater the load on any one section. 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. Fix a Gap Between the Baseboard and the Wall, How to Caulk a Large Gap Between Tub and Tile. Remove temporary fasteners at corners. 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. It seems like this gap is somewhat normal based on internet searches. Should There Be a Gap Between Roof Sheathing and Fascia? Install a drip edge to keep water from leaking into the sheathing. Ridge Board: A horizontal timber or metal resting at the peak of the roof. Measure and cut out the rafter extension from lumbers the same size as the old rafters on your roof. However, installing the drip edge close to the fascia would lead to water leakage. If you do not leave spacing between the board joint ends, there will be no space to allow the panels free movement during expansion. This will protect a roof from most types of damage. More commonly, they are 36 inches wide or more. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. 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. Drip edge installation might be an extra expense but can save you the cost of roofing repairs in the future. Then with the staple gun, staple the wire to seal the gap. If you space the fascia level wrongly, it can lead to further problems like leakages in your roofing. When you dont seal the gaps in your roof, it can lead to leaks or rodent infestation through cracks in your wall. The gap is meant to help with airflow throughout the attic. 3. (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? Place your ladder against your fascia board to access it. There are two types of plywood in the market: plywood meant for construction and plywood that carpenters use to make cabinets and other furniture. 2023 The Taunton Press, Inc. All rights reserved. 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 . Seeing holes in your decking usually means it's time for a roof . When placing your fascia, ensure that the edge of the fascia board is at the same level as the sheathing. He installs an ice barrier (aka ice-and-water membrane), then drip edge, then the roofingweaving in step-flashing between each course. it depends where the lights appear. OSB is lightweight, relatively inexpensive, and strong enough to resist bending or breaking should someone walk on the roof. (Lets See). say that I expect to be a life-long subscriber." This rough side is a screened or skid-resistant coated side. If it extends far from the edge, it will interfere with the flashing. In this role, it, Read More Does Roofing Felt Leak? What kind of caulk to buy to seal exposed nails on flashing? 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. Reduce indoor air humidity. You may know the gap between the fascia board and the roof sheathing as a carpenter or builder. Felt Underlayment: It is a waterproofing layer . However, if there is a small gap already, it is harmless. The wood furring acts as the nail base for the fiber-cement cladding. standards set by the International Code Council, https://photos.app.goo.gl/zXN41MR5YXdPiVmG6. Inspect the fascia boards for damaged areas. Replace all rotted wood with pressure-treated lumber. However, the length of the hole in between should not be greater than a quarter inch. Roof sheathing (or roof decking) is one of those elements.