- M.K. Next, install the shingles starting from the roofs edge, moving upwards till you have replaced all the shingles. Inspect the fascia boards for damaged areas. (Read This First). Sealants are quick fixes that can completely close the roof and wall gaps. Part 5.6, Renovations and repair, discusses both interior and exterior retrofits, including the addition of a new roof. The drip edge wraps around the fascia and keeps water from leaking into the back of the fascia. A gap between the roof sheathing and fascia looks bad and allows water to enter the fascia. Unless otherwise recommended by the sheathing manufacturer, cover the sheathing with shingle underlayment felt to minimize exposure to weather. Each day, Pro Builder's editors assemble the latest breaking industry news, hottest trends, and most relevant research, delivered to your inbox. The horizontal board enclosing the ends of the rafter projections (or tails) is normally referred to as the _____ board. 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. Sep 14, 2013. the gap should only be about 1 1/2" on each side. 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 . Trusses or rafters should be shimmed as necessary to provide a level nailing surface. The shingles should also overhang the drip edge 38 to 1/2 an inch. Install Insulating sheathing above the roof deck on existing homes. Gap between fascia and roof sheathing - need sealing? 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 . Install a drip edge to keep water from leaking into the sheathing. JavaScript is disabled. If you don't seal them properly, water can run off the roof and into your home. Fasten panels in rows across the width, continuing this sequence along the length of the panel. Densities are typically between 56 to 72 kg/m (3 to 4 lb./cu. Position a speed square on the rafter edge. At the end of the vertical sidewall the step flashing shall be turned out in a . The metal roof is made of galvanized aluminum or steel. (Must Read). Small gaps between your exterior wall and roof overhang could cause problems as time goes on. The drainage channel between the roof deck and the fascia board improves water movement from the roof and prevents moisture damage. I started my attic air sealing and insulating project this morning. Rough carpentry isn't like cabinet making. A fascia board is a thin longboard that goes along the bottom outside border of your roof and extends to the eaves. Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. The holes you see lead to an air cavity that lies between the home's exterior sheathing and the bricks themselves. By creating an account, you agree to Pro Builder's terms of service and privacy policy. Use shingle underlayment felt conforming to ASTM D226 Type I, ASTM D4869 Type I, or ASTM D6757 (self-adhering polymer modified bitumen sheet underlayment should conform to ASTM D1970) or check roofing manufacturer's recommendations if delays are anticipated during construction. Building requirements for roofing can be a bit of a hassle if you do not understand how it works. (Things You Should Know)Continue, Knowing that knee walls are used to separate interior and exterior arrears in the attic is very important. Typical Life Span of a Copper Roof By Lewis Doe It's one of the most durable exterior materials. Insert the tube into the caulking gun and push the plunger in. 3. That sounds fine, I think. Another question please. The roof sheathing should be right on the fascia, without going an inch beyond it. Use your finger to smoothen it after application. This feature has been temporarily disabled during the beta site preview. Start with the ice . 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? 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. 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. A Proposed Solution to the Embodied Carbon Problem, A Look at State Premiers New Heat Pump Water Heater, Indoor Air Quality and Building Diagnostics. (Explained), Uneven Transition Between Cement Board And Drywall, Drywall Anchor Keeps Breaking (Causes & Fixes). Should I continue with my plan to add the baffles or do I need to address the gap first? To close the gap and keep pests out, we will come and put a galvanized drip edge to seal it. The 10-in. The roof of a building adds value and shows individual personality,, Read More Why Dont Europeans Use Tar Shingles Roofs? Roofing professional service GAF suggested that shingle edges extend 3/8- 3/4 (9 mm-19 mm) from the roof's edge. Plywood and OSB are ideal materials for roof sheathing systems, and following these simple construction steps will ensure optimal performance. If water gets behind that, it would mean the the dormer valley is leaking, Roofing Talk - Professional Roofing Contractors Forum. Continue moving around the house until every fascia board has been caulked and sealed. Failure to adhere to this code can result in a failure of a home inspection. You must be a magazine subscriber to access this feature. For example, one of these building requirements is the roof deck and fascia level. This tip was captured live on Professional Remodeler's 2017 Model . 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. Leave the gutter for some minutes, allowing it to dry. 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. Seeing holes in your decking usually means it's time for a roof . The gap is meant to help with airflow throughout the attic. Drip edge flashing is a drainage channel between the fascia and the drip edge. If the top chords of trusses or rafters are warped or bowed, install blocking to straighten. (Beginners Guide)Continue, We all like vacations. A decorative molding applied to the fascia is called a _____. Do not use silicone caulk if you are painting the fascia boards. Fascia and soffit are installed after the roof installation is finished. Does roof sheathing need to be staggered? generally you need some ventilation in the roof it takes care of condensation. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. Hence, sealing it can cause other issues. Each day, our editors assemble the latest breaking industry The Fora platform includes forum software by XenForo. 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. 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. 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 . The complete source for building, designing, and remodeling green homes. Any ideas on how to close this gap. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. You need to know about the types of roof decking, the cost, and more. Your email address will not be published. Water often follows around your shingle edge and can wind up flowing down your fascia, behind your new roof and gutters. by Bob | Aug 29, 2017 . On the other hand, the spray foams are for smaller gaps of about six inches. The flashing helps guide runoff away from shingles and into the gutters. If the gap is say larger than a quarter inch, you might consider replacing the fascia. Decking. This way, air will enter the house, and rodents will also keep out of your home. I'd bet a inadequate shingle overhang was the start of the prob, and no drip edge didn't help either. This site is protected by reCAPTCHA and the Google. 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. 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. My garage is the same - big 1 x 10 roofing boards and I stripped the old shingles off, put the adhesive membrane on top then shingles. Well in order to clear this up, the minimum you can do per code is; " R905.2.8.3 Sidewall flashing. say that I expect to be a life-long subscriber." Attach your fascia boards along with the new extension. A gap between the wall and soffit may indicate _____. How long can an overhang be? Place a speed square above the rafter tail. Im concerned that this gap (with no mesh or anything) could let animals 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. The roof drip edge should extend one to two inches over the fascia to protect it from moisture. 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. Though it is uncommon, you should be concerned if the gap is more extensive than -inch. Go through the contract, check for an error, and then call and inquire about the gap. Ridge Board: A horizontal timber or metal resting at the peak of the roof. I am concerned about bugs and stuff entering the house through this gap and worse, water in the case of an ice dam. 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. Avoid standing between framing, which can induce panel deflection. Your roof sheathing should be the same level as your fascia board. Roofing felt underlayment is well known for its effectiveness and efficacy in protecting the household from the elements. Drip edge installation might be an extra expense but can save you the cost of roofing repairs in the future. Basically I'm suing the roofer b/c they did a terrible job on my roof and I'm having to fix a lot of this on my own in the meantime. Use temporary fasteners at corners if needed to square panel on framing. Steps for Installing Drip Edge and Step Flashing Here is Tom Silva's process: 1. How Far Should Roof Sheathing Overhang Fascia? More commonly, they are 36 inches wide or more. Screw the fascia board in place. It can also deteriorate your walls, causing them to crumble. It seems like this gap is somewhat normal based on internet searches. Many do-it-yourselfers make this mistake before they even begin. Fasteners should be 3/8 inch from panel ends and 3/8 inch from panel edges (see hints below). View our Privacy Policy here. Hold the fascia board steady until the speed square tallies with the fascia board center. If fire is a concern, you'd presumably want to block it or cover with something like 1/8" metal screen. If you still have a leak, pull the corner boards free and check the overlapping flashing at the corner. If you continue to use this site we will assume that you are happy with it. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". Should there be a gap between roof sheathing and fascia? Continue this process and move your ladder if you have to until you have filled the gaps around the house. I have searched the internet and get conflicting information. 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. Start at the end of a fascia board and caulk the corner edge where two boards meet. Understanding building requirements can be challenging if you do not know how it works. That said, overhangs can extend as far as 2 without the need for external supports. "I have learned so much thanks to the searchable articles on the FHB website. On panels with a screened surface or skid-resistant coating, install panels with the non-skid surface up. Protects the roofline against rotting from winter weather like ice and snow. After the wood gets wet from moisture, the heat from the sun and the hot attic will dry up the wood. However, if you space it wrongly, it can cause leakage in your home. If water gets trapped behind the exterior walls, it can cause structural damage that you won't see right away. Leave a gap of -inch between the sheathing panels to allow the roof sheathing to expand and shrink during different weather. If this might be a complicated task for you, contact your contractor. If it extends far from the edge, it will interfere with the flashing. DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. Old roof removed, new felt laid, 3" snow! where its a shed its not really needed if you have soffit venting and a gable end vent. If there is a 1/8 gap between the plank decking and the bottom of the roof, roof decking must be replaced by 2021. Replace any cracked, rotted or missing siding, making sure the new piece overlaps the step flashing by at least 2 in. 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. Allow the caulk to dry before you apply paint. 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 siding underneath the overhang is known as the soffit. Some of these factors include: After considering the factors, inspect the roofing thoroughly and choose a solution that fits it. In these cases, seeing daylight in your attic requires immediate attention. Copyright 2023 GA Insulation LLC. Also, consult your contractor to ensure you are on the right track. Set a ladder up to gain access to the fascia boards. 2023 The Taunton Press, Inc. All rights reserved. Place the rafter tails against the old rafters such that of the new rafter extension overlaps the existing rafters. The gap between the fascia and the roof decking is common in most homes. Measure 45-3/4 inch up the rafter from the cut end of the truss tail and draw a line along the trusses. Provided the fraction isn't smaller than the minimum offset (as it is on this roof), this is an aesthetic issue and is much . Check for damages to the fascia board. Though it is expensive, it can save you lots of money in the long run. In addition, it preserves and prolongs your roofs appearance: If you would be installing the drip edge yourself, here are some tips on installing it: When installing your roofing, it is necessary to space your roof sheathing to allow proper ventilation in your roof decking. Should There Be a Gap Between Roof Sheathing and Fascia? Shingle manufacturers specify a minimum overlap, usually in the range of 4 inches to 5 inches. . The roof sheathing comes down and ends on top of the 1 x fascia. Sealing The Gap Between The Gutter And The Fascia step by step Wipe the gutter system's edge on the fascia side using a moist cloth. Check building code requirements for installation of panel edge clips. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. Apply a silicone caulk line to the gaps between the gutter and the fascia board. Im in zone 4a, approximately 1000 sq ft attic. 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. Fix a Gap Between the Baseboard and the Wall, How to Caulk a Large Gap Between Tub and Tile. This number can vary according to personal preference but you need at least 1 of overhang. Finish your roofline and protect the fascia board with the Amerimax Home Products 10 ft. Musket Brown Aluminum Roof Apron Flashing. Homeowner here. The drip edge doesn't just protect your shingles, it also helps protect your fascia board. That'll prevent the bypass of the gutter and the drip edge by wind-driven rain. These constant leaks could discolor your walls, leaving permanent stains.