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Smooth the caulk bead with your finger and begin caulking the joint between the fascia board and the soffit (also known as the eave). Keep applying the caulk until you fill all the gaps. 1. Failure to adhere to this code can result in a failure of a home inspection. It resembles real wood and particularly strong and stable for bearing heavy load. Go through the contract, check for an error, and then call and inquire about the gap. There are some reasons why there are gaps between your roof and wall. "I have learned so much thanks to the searchable articles on the FHB website. The drip edge ensures the protection of the sheathing and the facia. If you continue to use this site we will assume that you are happy with it. In this role, it, Read More Does Roofing Felt Leak? Although, if it is a large gap, it can be dangerous to the house, as it will be susceptible to rodents and moisture. If you do not leave spacing between the board joint ends, there will be no space to allow the panels free movement during expansion. 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. There are two different types of wooden boards used on your roof: plank decking and sheet decking. Start at the end of a fascia board and caulk the corner edge where two boards meet. I've recently noticed that when there is a heavy rain I can see water dripping f Roofing, Gutters and All Waterproofing Anywhere. A roof system consists of several elements working together to protect the home. However, if you space it wrongly, it can cause leakage in your home. 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. The roof of a building adds value and shows individual personality,, Read More Why Dont Europeans Use Tar Shingles Roofs? Details are at Roof Drip Edge Improperly Installed: Behind Gutters Water often follows around your shingle edge and can wind up flowing down your fascia, behind your new roof and gutters. Two popular sealants for this kind of project are caulk and expanding spray foam. Your roof sheathing should be the same level as your fascia board. The roof sheathing should be flush with the fascia. Seeing holes in your decking usually means it's time for a roof . How do I get rid of squirrels and other rodents for good? 1. 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. I'd bet a inadequate shingle overhang was the start of the prob, and no drip edge didn't help either. 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. your inbox. A gap between the roof sheathing and fascia looks bad and allows water to enter the fascia. Position panel. I have searched the internet and get conflicting information. Start with the ice . Check for damages to the fascia board. Steps for Installing Drip Edge and Step Flashing Here is Tom Silva's process: 1. Staples are not recommended for roof sheathing attachment in high-wind areas. It directs water flow from the top and protects your roof foundation from premature damage. Don't look at me. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic. Clearing the section will give you enough space to install the roof overhang. The two types of roof decking. The 10-in. Continue moving around the house until every fascia board has been caulked and sealed. Ensure the drip edge extends over the fascia by one or two inches. Place a speed square above the rafter tail. As a result, the drainage improves water flow and protects the roof from potential water damage. DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. Notice that when the fascia is placed, the top edge of the fascia is even with the top of the sheathing. Scope. Unless otherwise recommended by the sheathing manufacturer, cover the sheathing with shingle underlayment felt to minimize exposure to weather. Therefore, instead of sealing it, use a wire mesh to cover it. This gap is caused when roof decking is stopped too short and is not flush with the fascia. This gap is caused when roof decking is stopped too short and is not flush with the fascia. The correct placement of a roof drip edge is on top of the roof's exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. The shingles should also overhang the drip edge 38 to 1/2 an inch. Dumpsters overflowing with lumber are merely a symptom. All rights reserved. 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. To close the gap and keep pests out, we will come and put a galvanized drip edge to seal it. . Next, install the shingles starting from the roofs edge, moving upwards till you have replaced all the shingles. So seal the gaps in your fascia to prevent costly repairs later. Starter shingles installed incorrectly (or not at all). The Fora platform includes forum software by XenForo. Two feet is the general maximum length for a typical roof overhang. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). This will protect a roof from most types of damage. Pierce the inner seal of the tube with the tool attached to the caulking gun. Replace all rotted wood with pressure-treated lumber. The drip edge is better, since it wraps around the top of the fascia and will prevent water from wicking back behind the fascia. Get home building tips, offers, and expert advice in your inbox. First--you may get more responses to your question if you post under "Genral Discussion". 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. We use cookies to ensure that we give you the best experience on our website. Apply a silicone caulk line to the gaps between the gutter and the fascia board. It can also deteriorate your walls, causing them to crumble. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. After the wood gets wet from moisture, the heat from the sun and the hot attic will dry up the wood. Hold a speed square or something similar on top of the rafter/truss tail. 2 . and kept back from the edge one truss spacing. Screw the fascia board in place. I have a 1 inch gap between my gutter and fascia. 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. Densities are typically between 56 to 72 kg/m (3 to 4 lb./cu. 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. 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. If necessary, trim panel ends to center on framing. After some recent rains, I discovered a few leaks in the soffit. The roof sheathing should be right on the fascia, without going an inch beyond it. Also, keep a finger width gap between the fascia and the drip edge. 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. Well in order to clear this up, the minimum you can do per code is; " R905.2.8.3 Sidewall flashing. In addition, fixing a drip edge to your roof sheathing, though expensive, can save you from frequent fascia repair. Personally, I am a BIG BIG fan of Renovation and Rehabilitation as opposed to Remodeling. Wood boards are also considered as solidly sheathed, A fascia board is a thin longboard that goes along the bottom outside border of your roof and extends to the eaves. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. When pulling the existing fiberglass batts back from the eaves, I noticed daylight coming through a gap. 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. A collection of one thousand construction details organized by climate and house part. Furthermore, the 1x6 fascia board is not flush with the top of the 2x6 rafters, due to the angle cut of the rafter ends and the fact that the . 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. For pitched roofs, wear skid-resistant shoes. There are gable vents. The RSRS designation indicates the fastener is a ring shank roof sheathing nail. Alternatives to a Continuous Soffit Vent The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. 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. The flashing helps guide runoff away from shingles and into the gutters. 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. In this way, the. Use a screw gun to nail the fascia board in place. The gap is meant to help with airflow throughout the attic. 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. (Explained), Or Drywall For Ceiling (All You Need To Know), How To Overlap Or Hang Drywall On 45-Degree Corner? I didn't vote for either one of them. Gap between fascia and sheathing 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 shingles should also overhang the drip edge 3 . 8 / 12. Plank decking was the main type of decking used before the invention of plywood. Use colored caulk to match the current paint color if you are not repainting the fascia boards. 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. Gordon from Jacksonville Fl. 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. This will protect a roof from most types of damage. A Proposed Solution to the Embodied Carbon Problem, A Look at State Premiers New Heat Pump Water Heater, Indoor Air Quality and Building Diagnostics. Drip edges are metal sheets, usually shaped like an "L," installed at the edge of the roof. Get Pro Builder in your inbox. 1. Inspect the fascia boards for damaged areas. (Must Read), Cost To Build Garage With Rooftop Deck? Attach your fascia boards along with the new extension. Use temporary fasteners at corners if needed to square panel on framing. Keep spreading the caulk to the gap, and remember to smoothen it. 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. 2023 The Taunton Press, Inc. All rights reserved. A 1/8-inch space between adjacent panel end and edge joints is recommended, unless the panel manufacturer indicates otherwise. There are two types of sealants you can use to prevent leakage. it depends where the lights appear. 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. I noticed some old bee nests in the insulation near the eaves. The correction recommended by manufacturers is installation of an additional layer of 3/8-inch minimum exterior-grade plywood or OSB roof sheathing on top of the original wood-board roof sheathing. You must buy suitable plywood for the project. ft.). No problem! . Roof overhangs can extend farther than 2 feet, but beyond this length, they begin to lose structural integrity and require external support. This should take up the that gap!! 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. This type of decking is made up of elongated and rectangular . 2 it could be a vent tiles or where extraction fan goes through the roof. Also, ensure that your roofing constructor installs a drip edge. If it extends far from the edge, it will interfere with the flashing. Screws can be used for even greater withdrawal strength, but should be sized by the building designer. I doubt that that is the root of the problem though. Insert the tube into the caulking gun and push the plunger in. 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. At the end of the vertical sidewall the step flashing shall be turned out in a . Pierce the seal of the tube with the tool in the caulking gun. by Bob | Aug 29, 2017 . Significant unsealed gaps can also cause molds on your walls. 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. Fasteners should be 3/8 inch from panel ends and 3/8 inch from panel edges (see hints below). Fasteners should be driven flush with the panel surface. Hope the shingle overhang is enough to cover the newly installed drip edge. 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 . Your email address will not be published. Continue caulking until the entire fascia board has been sealed. 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. You should have at least 2 for an overhang on a metal roof. Subscribe for unlimited access. If you are applying the sealants yourself, avoid spraying the spray foam close to the lightbox and electric boxes. If the top chords of trusses or rafters are warped or bowed, install blocking to straighten. Roof sheathing should be installed _____ to the rafters. Move to the next fascia board and repeat Step 3 to caulk the entire board and the corner joints. Next, use a utility knife to cut the caulk tube tip at a 45 angle. The Best Technical and Innovative Podcasts you should Listen, Essay Writing Service: The Best Solution for Busy Students, 6 The Best Alternatives for WhatsApp for Android, The Best Solar Street Light Manufacturers Across the World, Ultimate packing list while travelling with your dog. On panels with a screened surface or skid-resistant coating, install panels with the non-skid surface up. 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 . This can be done with a straight piece of lumber (6 feet to 10 feet Step 2: Provide Roof Ventilation According to Building Codes. Water can also splash up from the interior of your gutters, constantly wetting your fascia. Come join the discussion about the industry, safety, finishing, tools, machinery, projects, styles, scales, reviews, accessories, classifieds, and more! Does the gutter go under or over the flashing. I can confidently Position the other to extend outward past the typical roof sheathing length. where its a shed its not really needed if you have soffit venting and a gable end vent. Roofing felt underlayment is well known for its effectiveness and efficacy in protecting the household from the elements. There is no true standard size for overhangs, but typical overhangs that are used for protection from rainfall are 16-18 inches wide. Install a drip edge to keep water from leaking into the sheathing. There is no dedicated soffit ventilation - what was there before was just rough gaps between the fascia board and the brick. (Must Read). Rough carpentry isn't like cabinet making. For best appearance, use heavier weight shingles, or laminated or textured shingles. During the installation of OSB, the rough surface side should be facing up. Your roof overhang should extend at least 3/4 to 1 inch beyond your roof to keep water from running inside your walls. Here are some of the tools you would need: What Happens When You Dont Seal Large Gaps in Your Roof? More commonly, they are 36 inches wide or more. That sounds fine, I think. fascia. Dec 9, 2009. In the U.S., it is almost always composed of woodusually OSB (oriented strand board) or plywood. This can be done with a straight piece of lumber (6 feet to 10 feet long) or a long carpenters level. Read More Roofing Companies That Offer Roof Certification (A 4-Minute Read)Continue, Should Roof Sheathing Be Flush With Fascia? 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. There should never be holes in your roof decking, as they indicate a problem with both the shingles and the plywood sheathing. Warping will eventually lead to cracking shingles which can expose your roofing to more damage from water and moisture. Moreover, if you did not install a drip edge in your roofing, it could cause roof leakage. Flashing against a vertical sidewall shall be by the step-flashing method. 1.7K 357K views 6 years ago Roof Framing We go in depth on how to install roof sheathing. Ensure the overhang is less than two feet from the roof deck tail to stabilize it against the roof. Provided the fraction isn't smaller than the minimum offset (as it is on this roof), this is an aesthetic issue and is much . Plywood is a bit more expensive, but is usually stronger and is often selected in cases where the roof covering is heavier, such as for slate, clay, or concrete tile roofs. Apply caulk to nail holes also for added protection. Two feet is the general maximum length for a typical roof overhang. Installing a drip edge flashing is also a prerequisite, as it protects your roof from moisture. Often, there's old, hardened caulk where the two pieces overlap at the inside corner. It is ideal that soffit and fascia materials be installed before you place tiles or any other type of roofing material on the roof. If your roofing is new, contact your roofing contractor and relay the issue to him when you notice the defect. Trusses or rafters should be shimmed as necessary to provide a level nailing surface. All spaces between your roof and walls must be properly sealed. Typical Life Span of a Copper Roof By Lewis Doe It's one of the most durable exterior materials. These gaps, if significant, can become a gateway for rodents and other dangerous animals into your home. Place the tube inside the caulking gun and attach the plunger. 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. Or should I install a drip edge (as there is not one at this point)? Though it is uncommon, you should be concerned if the gap is more extensive than -inch. Filling the gaps between your roofing and the walls is not difficult if you have the required tools. If fire is a concern, you'd presumably want to block it or cover with something like 1/8" metal screen. Hard to tell how large the gap is but its probably 1/2 or less. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. Each day, our editors assemble the latest breaking industry Begin at the edge of the fascia board to apply the caulk. Ridge Board: A horizontal timber or metal resting at the peak of the roof. How Do You Fill the Gap Between Fascia and Roof? The gap between the fascia and the roof decking is common in most homes. With drip edge, the shingles should still extend out, but mainly for cosmetic reasons, to cover the drip edge. Should there be a gap between roof sheathing and fascia? If this might be a complicated task for you, contact your contractor. In size, plywood sheathing comes in a four by 8 feet board or panel and ranges in thickness of ", ," and .". Should I remove the gutters and replace the fascia? I doubt that that is the root of the problem though. This fascia board completely frames out the roof overhang of this small front porch. Roof deck sheathing Roof covering materials such as asphalt shingles must be installed on solidly sheathed roofs. F. Eave Drip Edges: Along all eves and rakes drip edges to be minimum 0.024" mill finish aluminum sheet, brake formed to provide 5" roof rack flange, and 1 1/2" fascia flange with 3/8" drip at lower edge. They should not extend more than this because shingles that are too long will corrode and break off. Pro Builder is an advertisting supported site and we noticed you have ad-blocking enabled in your browser. Moreover, the air and moisture from the gaps can increase the humidity in the house, which will reduce the insulation. That area is supposed to be open for venting the roof. Ice and water shield on top, and on that one a metal roof. As mentioned above, if light is getting in, water will get in as well. Spacer-type panel edge clips are available from some manufacturers. Roof sheathing overhang provides shelter for your building, protecting it from weather like rain and heat. However, both sealants will close the space between your wall and your roof. Start at the end of a fascia board and caulk the corner edge where two boards meet. By creating an account, you agree to Pro Builder's terms of service and privacy policy. You might remember me from such forums as "my flashing on my roof suck" :). The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. If water gets behind that, it would mean the the dormer valley is leaking, Roofing Talk - Professional Roofing Contractors Forum. A metal drip edge will help protect the sheathing under the roof, but if it's installed too closely to the fascia board, it can still cause water to be drawn into the fascia.