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If no drip edge, the shingles at that point should at least be doubled (for stiffness and to prevent water from flowing through the slots between tabs). Roof deck sheathing Roof covering materials such as asphalt shingles must be installed on solidly sheathed roofs. Hold a speed square or something similar on top of the rafter/truss tail. 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. Large Gap Between Wall Sheathing Panels OK? On the other hand, the spray foams are for smaller gaps of about six inches. After framing the roof, sheathing overhang, cover the rafter extensions, the open sheathing, and three-tab shingles. Shingle manufacturers specify a minimum overlap, usually in the range of 4 inches to 5 inches. Shingles should also extend slightly over the inside gutter edge to allow runoff of water into the gutter. Steps for Installing Drip Edge and Step Flashing Here is Tom Silva's process: 1. Flashings will cover that gap. However, this gap is the perfect place for pests and unwanted wildlife to enter your home. They should not extend more than this because shingles that are too long will corrode and break off. A roof system consists of several elements working together to protect the home. Fix a Gap Between the Baseboard and the Wall, How to Caulk a Large Gap Between Tub and Tile. View our Privacy Policy here. Homeowner here. Dark Contrast This home features a red tile roof with a white stucco siding. By Charles Owen-Jackson Shed trusses are no different from other kinds of roof trusses. If you continue to use this site we will assume that you are happy with it. Built my daughter a bunkie and used the same 1 x 10 pine roofing boards on 2x4 rafters. Limit air leakage into the attic from conditioned space. As mentioned above, if light is getting in, water will get in as well. Place the rafter tails against the old rafters such that of the new rafter extension overlaps the existing rafters. When pulling the existing fiberglass batts back from the eaves, I noticed daylight coming through a gap. This tip was captured live on Professional Remodeler's 2017 Model . Both will help close the gap between your roof and wall and insulate your home. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. Should there be a gap between roof sheathing and fascia? Sounds like you definitely need to install some drip edge. Measure and cut out the rafter extension from lumbers the same size as the old rafters on your roof. This is a gap between the fascia board (where the gutter is hung) and roof decking. Provided the fraction isn't smaller than the minimum offset (as it is on this roof), this is an aesthetic issue and is much . Cut the tip on a tube of exterior, waterproof caulk at a 45-degree angle, advises The Exterminators. Replace any cracked, rotted or missing siding, making sure the new piece overlaps the step flashing by at least 2 in. M. There are two different types of wooden boards used on your roof: plank decking and sheet decking. It is not unnatural to see a space between the fascia board and the sheathing. Paint will not adhere to silicone. We have a black roof if that matters. Thank you. (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? First, ensure it is on level ground. Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. These mold growths can leave dirty brown, black stains on your walls. Scope. Two feet is the general maximum length for a typical roof overhang. 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. Roof overhangs can extend farther than 2 feet, but beyond this length, they begin to lose structural integrity and require external supports. This is a gap between the fascia board (where the gutter is hung) and roof decking. My plan was to install baffles for future soffit vents (house has gable vents only). The shingles should also overhang the drip edge 38 to 1/2 an inch. say that I expect to be a life-long subscriber." But if an opening is more expansive than a quarter-inch, there might be a problem with the roofing. Install intermediate fasteners, starting at panel edge. Is this a little problem or a big problem (i.e., is this going to ruin the roof deck, make the new felt worthless, or what?). Install a drip edge to keep water from leaking into the sheathing. 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. 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. Dec 9, 2009. Ridge Board: A horizontal timber or metal resting at the peak of the roof. Next, install the shingles starting from the roofs edge, moving upwards till you have replaced all the shingles. But at what point would it be a problem? 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 should take up the that gap!! To close the gap and keep pests out, we will come and put a galvanized drip edge to seal it. However, both sealants will close the space between your wall and your roof. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. Two feet is the general maximum length for a typical roof overhang. 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. 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. (Read This First)Continue, Gap Between Fascia and Plywood Roof Deck? Should I remove the gutters and replace the fascia? However, if you space it wrongly, it can cause leakage in your home. Replace the old shingles and sheathing or use new replacements to cover the open side of the roof. The lack of spacing between the panels can cause buckling and extra roof replacement costs. This will protect a roof from most types of damage. If water gets behind that, it would mean the the dormer valley is leaking, Roofing Talk - Professional Roofing Contractors Forum. All spaces between your roof and walls must be properly sealed. Inspect the fascia boards for damaged areas. Looks ok to me, would have used white step flashing on the outside of the fascia, tall enough to slip under the drip edge. What is the maximum length of a roof overhang? Im concerned that this gap (with no mesh or anything) could let animals in. Roof sheathing (or roof decking) is one of those elements. Fasten panels with a minimum of 8d Common (0.131-inch by 2-1/2-inch) nails spaced a maximum of 6 inches on center at supported panel ends and edges. I doubt that that is the root of the problem though. The roofer removed old roof on Thursday, put down new felt, but shingles didn't get delivered, and it snowed today (3"). Seeing holes in your decking usually means it's time for a roof . 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. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. The drip edge wraps around the fascia and keeps water from leaking into the back of the fascia. Apply continuous air control membrane to existing roof . In view B, the sheathing overlaps the tail end of the rafter by the thickness of the fascia material. All rights reserved. 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. by Bob | Aug 29, 2017 . . The gap is meant to help with airflow throughout the attic. To keep water and rodents out of your home, seal the gaps between your fascia using a caulking gun and some waterproof caulk. Fascia Boards are what hold your gutter system in place on your property. Depending on how the roofs join, you may have to cut a slot to work it in far enough. If water leaks into the exterior walls of your home, it will cause damage that will not be visible right away. (Must Read), Cost To Build Garage With Rooftop Deck? 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. It seems like this gap is somewhat normal based on internet searches. (Must Know)Continue. But the excess heat and the trapped humidity from the wood will generate a steam effect, which will make the roof shingles dry halfway from the outside. Don't look at me. So, have a builders gap? Copyright 2023 GA Insulation LLC. Some of these factors include: After considering the factors, inspect the roofing thoroughly and choose a solution that fits it. Although, if it is a large gap, it can be dangerous to the house, as it will be susceptible to rodents and moisture. 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. If you do not leave spacing between the board joint ends, there will be no space to allow the panels free movement during expansion. Drip edge installation might be an extra expense but can save you the cost of roofing repairs in the future. Drip edge flashing is a drainage channel between the fascia and the drip edge. 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. The shingles should also overhang the drip edge 38 to 1/2 an inch. These distances may be increased if the manufacturer permits greater spacing based on wind load testing. The recommended maximum gap between roof sheathing boards for low-quality, 3-tab shingles is 1/4-inch. 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. It directs water flow from the top and protects your roof foundation from premature damage. How to Install Sub-Fascia and Roof Sheathing - Pole Barn Shop Build Part 11 Country Family Homestead 13.9K subscribers Subscribe 260 36K views 3 years ago In this video I trim my truss tails. This feature has been temporarily disabled during the beta site preview. Place a speed square above the rafter tail. 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. Answer (1 of 6): The way we always do it is to install the fascia first. Solid Decking: A composite decking made of solid materials. The gap between the fascia and the roof decking is common in most homes. Hey all, I installed this new piece of fascia that I cut to size to match the original, but there's around a 1/2" gap between the fascia and the roof deck. This fascia board completely frames out the roof overhang of this small front porch. 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. On this roof, the minimum overlap specified by the manufacturer is 4 inches, and the recommended overlap is 6 1/2 inches. There is no dedicated soffit ventilation - what was there before was just rough gaps between the fascia board and the brick. 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. 1. JavaScript is disabled. where its a shed its not really needed if you have soffit venting and a gable end vent. The horizontal board enclosing the ends of the rafter projections (or tails) is normally referred to as the _____ board. But if the roof is new, you should call your contractor to finish the job, especially if the job was incomplete. A fascia board is a thin longboard that goes along the bottom outside border of your roof and extends to the eaves. A 1/8-inch space between adjacent panel end and edge joints is recommended, unless the panel manufacturer indicates otherwise. I'd bet a inadequate shingle overhang was the start of the prob, and no drip edge didn't help either. 3. COPYRIGHT 2023 PROFESSIONAL BUILDER. 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. fascia. A Proposed Solution to the Embodied Carbon Problem, A Look at State Premiers New Heat Pump Water Heater, Indoor Air Quality and Building Diagnostics. When placed on the eaves side of a roof, the drip edge will prevent capillary action water damage caused by surface tension. Caulking is a sealant that fills gaps, cracks, nail holes, and similar imperfections on the surface. The cavity is about an inch . The roof drip edge should extend one to two inches over the fascia to protect it from moisture. You can also apply the caulk in nail holes. If you notice that it is more expansive, replace the fascia and install a drip edge if you did not install one before. Notice that when the fascia is placed, the top edge of the fascia is even with the top of the sheathing. If asphalt shingles are installed over sheathing . That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Install eave drip edge flashings below underlayment and fasten to roof sheathing. Note that I reconnected the exhaust vent before I left the attic for the day; it was solely to get access.