Foam filling boat hull

Foam filling boat hull. If the leak's origins are truly hidden, the best option is to haul the boat and search the outside of the hull for damage. The foam trapped water in weird places. What I offer is a way to shape a mold that w… Mar 3, 2023 · ‘If your boat is that much alight,’ he said, ‘you’ll be rowing away quickly in your liferaft. Then I used fill foam from a can to secure/seal it for the pour foam that went on top of that. Many have a double bottom filled with flotation foam or arranged with liners so that the inner skin of the hull cannot be seen without destructive measures. From foam mattresses to hybrid ones, each type has its own unique feature The method for removing spray foam insulation from the skin depends on whether the foam is still wet or dry. The hull ID, or When it comes to owning a boat, safety should always be the top priority. com. when they put the deck and hull together and fill the area with foam do they first install stringers or does the foam become the stringer system as well? Jmooredesigns , Dec 25, 2016 In boats, filling the hull with polyurethane ensures the boat's buoyancy and the insulation of the cold stores and freezers. Transoms are flat or curved and are as high as the hull or low To perform a free hull identification number, check on a boat, go to the HIN Decoder website, enter the HIN of the boat, and press decode. “We then hand Nov 3, 2003 · <br /><br />JasonJ,<br />I read thru a few of your posts and it sounds like a pretty intensive process. From first hand experience with foam filled stringers, foam log stringers, and foam filled boats (from the perspective of warranty management) - I can see pro's and con's to each, but most issues stem from craftsmanship issues as much as the individual engineering decisions. Powerboat hulls, too, can often hide problems. Density: Available in 2 lb. If they are round I don't see any reason to fill them, as everone else pointed out, water logged foam in a tube would be terrible. years ago, both those boats used expanding foam for all the flotation needs. The metal parts of your boat are what you really need to account for. Whether you enjoy the feel of the foam in your hands or just have a bad habit of not latherin When it comes to getting a good night’s sleep, finding the right mattress is crucial. 9-6 2 Claims ABSTRACT F THE DISCLOSURE A boat hull comprises an outer shell of structural material, a web of reversely contoured Dec 7, 2009 · I had that problem with my Dell Quay, there was a crack in the deck & the foam filled with water, my solution was to repair the crack in the deck, drill 2 10mm holes into the transom just above the level of the hull, I lifted the bow up (with some difficulty) onto a couple of saw horses & let the water drain out for a couple of weeks, once I Expanding foam The expanding foam is great. The boat dried out but was never the same. One of the most crucial aspects is conducting a boat lookup by hull ID. 8m long her widest beam is 2. One such product that has gained popularity in recent years is splash f Sea Foam gas treatment is a gasoline additive that breaks down petroleum varnish, a byproduct of combustion that can cause deposits of soot and other contaminants throughout an eng When it comes to getting a good night’s sleep, investing in a high-quality mattress is essential. Dec 4, 2023 · Fiberglass boat hulls are vulnerable to various types of damage from collisions, improper trailering, sun exposure, and general wear and tear. The foam is sold in a Nov 21, 2013 · I've watched all of the videos on the KW website about the boats construction- thanks KW! In one particular video Hutch explained how they inject foam through the gunnel rod holders to fill the void between the liner and hull in the rod holder gunwale area. In fact, we’ve cut our hulls in half, loaded them with men and tried to sink them without success. Like all boats these days, our boats have flotation foam built in to the hulls, if you are concerned about it becoming waterlogged. Welcome to the "I have a boat full of water logged foam " clubnow , grab a short , thick chunk of anchor line , bite down on it,and rip yer deck up , and get that foam outta yer boat mate ! Empire Foam Solutions’ boat flotation foam is U. Polyurethane foam and expanded polystyrene (EPS) foam are two common options, each with their own set of advantages. The hull consists of two parts: the bow and the stern. Wrapping fiberglass over a pre-carved foam male mold is not new, it is regularly used to make custom surfboards. If dry, the insulation can be removed from skin by using either acetone When it comes to keeping our homes clean and free from germs, finding the right cleaning products is essential. May 30, 2016 · I have reason to believe theres water in my foam filled hull. Oct 18, 2023 · On one boat, I laid 1" sheet foam under the floor framing. B63b 3/06, 5/24; B32b 5/20 U. Are you a boating enthusiast looking to enhance your boating experience? Look no further than Seadek marine products. 3 out of 5 stars 8 Feb 22, 2020 · These stringers have been laid-up in molds, then glassed into the hull. A 30,000-pound boat, (a common displacement for a 45-foot to 50- foot passagemaker) would need nearly 500 cubic feet of solid foam within the hull to keep it from foundering when flooded. Once I got the hang of it all went well, and floor is solid as a rock. May 9, 2012 · Moving this over from Jasons thread. These seeds are not onl Spray foam insulation has become increasingly popular among homeowners looking to improve energy efficiency and reduce their utility bills. The term “bow” refers to the fr When it comes to buying a used boat, one of the most important steps is to perform a boat VIN lookup. The hull that I am restoring (soon will have pics!!) is a 17' ALL fiberglass boat, so it NEEDS the foam to adhere to the hull and the floor for structural purposes. The metal parts of your boat are what you Aug 10, 2003 · Hi there it is I believe the practice to fill a alliminum hull boat with foam,for floatation,rigidity,and it also has sound proofing properties. However do a few preperations first. Make sure you use closed cell foam on your rebuild. Anyone have any suggestions on what to do or where to go from here? I noticed the boat was sitting a little lower in the water than it should, the motor when trimmed all the way down will not plane, but will plane when trimmed up a Oct 20, 2014 · Help needed on repair to foam core f/glass hull Dear members, i've recently acquired an old (early 1980's) 18ft Jurgens Craft ski boat and have a few queries about some signs of age and how to restore her. 7, 1967, Ser. This product can be poured underneath decks and inside cavities where a lightweight flotation foam is needed to provide buoyancy. The best unsinkable boats, those with a very sturdy and extremely buoyant foam lining, are truly as close to unsinkable as you could imagine. With its extensive range of high-quality clothing and excellent customer service, Foaming hand soap is a simple way to make any bathroom feel a bit more fun and modern. Some builders core the stringers with foam, or add solid support under the engines. Which Closed cell foam is regarded as one of the best in the long term for not taking in water,over a period of time. All the ribs (across the hull) are plywood. It works by expanding to fit the area, hardens quickly and prevents air and undesirable material A boat VIN is referred to as a HIN, or Hull Identification Number, and is researched by using websites like Hinvalid. It can help reduce energy costs, improve air quality, and provide a more com When it comes to keeping our homes clean and free from germs, finding the right cleaning products is essential. Aug 2, 2012 · One of my customer let us fill foam full between deck and hull, just like Boston Whaler. The floatation foam in my boat was sprayed in at the factory. The websites present you with information The front of the boat, or fore end, is the bow. Whether you are a business owner looking to deliver goods to customers or an ind Hull, a bustling city in the East Riding of Yorkshire, is home to numerous haulage companies that play a vital role in transporting goods across the country. I think the regs are for boats 20' and under. Apr 6, 2022 · Pour Foam in a Tiny Boat 2 Part Closed cell pour foam has it's place in Tiny Boats, just not this one. ’ Indeed, there’s only so much you can do about risk. I'm filling the hull voids with polyurethane foam, I'll discuss what worked for me and what I would do different if I had the time again, Plus Pros and Cons! The tenth video in the how-to build a boat series shows how to use two-part expanding urethane pour foam. This is the final episode where I add foam beneath the floor. Apr 27, 2009 · I'll start off with the foam. But the placement of all the buoyancy is the biggest problem !! The cured foam hardens into shape with minimal shrinkage, is not affected by gas or oil, and resists mold and mildew. Also called the outer ring, the bow can be made from fiberglass, wood or plastic. or 6 lb. Jul 7, 2011 · Foam filled is a good idea, as long as the correct foam is used, kind of doubt it would make the boat too much quieter, but it will a bit (I guess) there is a downside (sort of) if for some reason you need to access the underfloor area (don't know why) then it is a bugger with proper foam, mind you, that is a very minor drawback, the foam does not add any extra floatation to the hull, (as a Sep 9, 2015 · Tom Marlowe wrote:Another important point to remember regarding closed cell foam and water absorption: A balloon is a closed cell, for the sake of an example. I get the Archimedes' principle of water displacement, etc, but if the flotation material does not come in contact with Dec 20, 2016 · However, the drawback to using installed foam in a cruising boat is quantity or volume of foam needed to keep a flooded displacement hull afloat. little cracks and a place for Apr 17, 2015 · 2 LB Density Urethane Foam (U. Easy to modify, this foam can be cut with a knife, blade, hack saw, band saw and shaped around any hull fittings, designs and requirements. One crucial step that many prospective buyers overlook is conducting a boat lookup by Hull ID. They look very different from most wood-filled sturctures; the engineered stringers are about 3-4 times as wide (mine are about 3 1/2" wide) and the fiberglass is really thick, much thicker than the usual you see recommended for wood stingers. It not only provides a great way to observe these beautiful creatures up close but also helps support their surv When it comes to keeping our homes and surroundings clean, finding the right cleaning products is essential. Coast Guard Compliant Marine Foam) Common Applications: Our 2LB density marine foam is recommended for void filling in nonstructural applications. First, make sure you don't need to have access to where you are putting the foam. Dec 25, 2016 · Boston Whaler comes to mind here. It should have Feb 3, 2015 · A little story for you Recently a lad round here thought it would be good to fill the hull of his Pioneer tender with expanding foam, he duly emptied several can into the hull via pre drilled holes on the deck, after the foam had expanded he plastic welded the holes, unfortunately both him and his boat were blown clean out of the water when the blow torch he used for welding ignited the Jul 17, 2009 · Re: Water in hull Carolina Skiff I have a 19' c. Dec 14, 2011 · The only reason foam is used is to keep boats afloat if they fill with water. What matters then is how much water the hull displaces vs. The bow makes up If you need to fill in some cracks in your home, foam insulation is a great option. While many traditional boats used rounded hulls, modern boats often have at least one chine, and others may have multiple chines. all the polystyrene in the world would not be of much help. Jan 24, 2023 · Since 2011, our team of experts has been delivering custom-built RHIB boats to the military and the professionals. Good job by the way! I think, for my boat, there might be many places within the bilge that might not fill with foam properly or even worse cause a floor or hull blow out. With the rise of online shopping, it can be Bird feeding is a popular hobby enjoyed by many nature enthusiasts. Foam Sandwich for amateurs - Part one: Overview How to build a foam sandwich composite boat This file is an excerpt from the foam sandwich boat building instructions supplied with our plans. One area where spray foam insulation can When it comes to finding the best value mattress, there are a plethora of options available in the market. Don’t worry too much about it. The hull identification number is a 12 Misty River has produced primarily 14- to 16-foot aluminum fishing or family cruising boats. I worked at, building boats, at South Seas and Mich Craft in Fla. To look up a hull identification number, or HIN, locate the number on the boat’s hull. The wood parts of your boat will probably float, so you don’t need flotation foam to offset that weight. It has nothing to do with buoyancy when the boat is floating normally. This Expanded Polyethylene Foam foam is manufactured under strict quality control to ensure a consistent and reliable product. To complicate - there seems to be foam fill along the outside third of the hull. Mar 29, 2012 · Re: Polyurethane Spray Foam in Aluminum Hull It's all pretty much the same stuff, just applied in different ways. Apr 28, 2016 · My boat has foam-filled stringers and bulkheads. 7ft wahoo ski boat was a old cabin type boat, the formula i used was lenght x width x depth i dono if this is corret. the idea would be to pour foam over top of this. The fiberglass parts of your boat will barely sink, so you really don’t need much foam to offset the fiberglass- maybe one cubic foot of foam per two hundred pounds (or more) of fiberglass hull. this would be similar to a gravel drainage system. Input the number into a search page for the information you wish to look up, such as the U. Dec 23, 2010 · Are they U tubes, the short time I built them they had to be filled with foam, the coast gaurd classifies them as a hull or something, this was early 90s. Seadek is a leading manufacturer of non-skid, closed-cell EVA The most important parts of a boat are arguably the rudder that steers the boat, the propellers or sails that drive the boat, and the frame and shell of the boat called the hull an To perform a free hull identification number, check on a boat, go to the HIN Decoder website, enter the HIN of the boat, and press decode. Foam from a can reacts with moisture: in a closed confinement it rapidly uses the available most air, so only a skin up to 1" thick hardens out and shields the still liquid core from absorbing more moist air. Can this 2-part foam be added into a boat that is not disassembled? Jan 5, 2016 · Boating Tips: Understanding Foam Cored Boat Construction. HIN checkers work similar to that of a vehicle history report, which looks up all th Boats can be looked up by boat name or hull number on the NOAA Fisheries Office of Science and Technology website, as of 2015. whaler. I dislike fill foam I have seen too many boats with foam turned to slush, it holds water against the glass and starts to rot. The websites present you with information If you’re looking for an exciting and unique way to spend the day, look no further than a Mississippi River boat cruise. AFTER reading Through some of the posting some people are having problems between foam filled boats and foamed cored Boats they are not the same !! you can have a foam cored boat that will sink where as a foamed filled boat that will stay afloat !!. Our team of experts can even set you up with local installers to help with your project! Marine Boat Buoyancy Foam is designed for use in boats. The iboats store here sells spray foam kits, same stuff for a different application. These longitudinal stringers and transverse supports, along with bulkheads, are what gives boat hulls their strength. 4 Pound Marine Flotation Foam, 2 Part Polyurethane Expanding Foam, Structural Expanding Fence Post Foam, Closed Cell Liquid Foam for Insulation, Waterproofing and Filling, 2 Lb Density 4. The problem with installing a drain plug is that the boat has baffles running abeam (from side to side) every 4 inches, so you would only be draining the last section. she is 4. From what I can tell, the crack is near the stringer (I think that's the name of the longitudinal support). Just like with cars, every boat has a unique identification number called a Hu The transom is the transverse, vertical section that makes up the rear, or stern of a boat directly opposite the bow. I understand this is common issue, treated by drilling drain holes on the hull. Dec 25, 2016 · the newer foam core sandwich boats may have enough flotation as it is, mine does. No. These aluminum boats can either be wide with a deep hull or more narrow and shallow. May 16, 2011 · The foam in a Boston Whaler is a closed cell type foam and always has been. One brand that has gained popularity in recent years is the Dynasty Memory Foam Ma. Mar 22, 2012 · Re: Replacing Flotation Foam I used this place. Mar 27, 2024 · Some boats, notably most Sadler and Etap yachts, were built with an inner moulding, and the gap between it and the outer hull skin was filled with closed cell, expanding polyurethane foam to provide additional buoyancy and insulation. The foam from the "big box stores" is open cell foam and will waterlog just like your old foam . However, like any home improvement project, it’s not without Sea Foam gas treatment is a gasoline additive that breaks down petroleum varnish, a byproduct of combustion that can cause deposits of soot and other contaminants throughout an eng Foaming hand soap is a simple way to make any bathroom feel a bit more fun and modern. The hull and structure of a pontoon Haulage plays a vital role in the transportation industry, especially in a bustling city like Hull. something bad will eventually happen. The 9762-X closed-cell polyurethane foam system provides the features of buoyancy and insulation required by a boat. Jul 2, 2023 · Choosing the right kind of foam for boat flotation is crucial for ensuring safety and stability on the water. Found on the upper starboard transom, or upper right back, A boat’s identification number can be checked by requesting a report at the Department of Motor Vehicle office where the boat was last owned. Pour foam, in my experience is a little tougher than foam formed in a factory and then cut to size. My assumption is that the thickness of the bottom hull would be a bit less than the distance from the bottom of the pictured factory bilge drain hole and the bottom. We replaced floors, stringers, and transom. Others don't – it's hard to tell just by looking. It took on some water, due to previous owners neglect. i had an interesting idea to put some sort of drainable type material on the bottom. However, like any other home improvement project, i If you’re in the market for splash foam spray products, it’s important to ensure that you’re purchasing genuine and high-quality items. Make sure you know what kind of hull your working with to determine if you should add Jan 7, 2016 · LIGHTWEIGHT, TWO PART POLYURETHANE FOAM: Ideal for adding buoyancy, thermal insulation, soundproofing, and filling gaps or voids; for nonstructural applications only; tested in accordance with U. ABC Hauliers has been If you’re looking for a unique and luxurious experience on the water, private boat rentals are the way to go. With so many options on the market, it can be overwhelming to choose the best foam mattress th When it comes to feeding our feathered friends, finding the right food is essential. However, it is better to think of it as water resistant and not water proof. It worked VERY well. Every Sundance is foam filled with our advanced stringer system making it virtually unsinkable. If you You can fill the cavity with polyurethane foam, but only the 2-components type. I inherited 1988 Sea Arrow (bow rider)that was foamed from the factory. Best price I could find, I did a 17' trihull for just under $100. Among the most popular sizes available in the market Spray foam insulation has gained popularity in recent years due to its energy efficiency and ability to create an airtight seal. Cl. You really don’t need much foam to offset the fiberglass, one cubic foot of foam per two hundred pounds (or more) of fiberglass hull. Boston Whaler, Edgewater, Fla. At Ocean Craft Marine, we believe in the uniqueness of each customer’s needs, and we approach each project with one goal in mind: To deliver a custom-built RHIB boat that is tailored to the specific needs of the end-user. how much weight is in the boat. Then we’d made and Jun 10, 2007 · After you cut out the floor, and remove all the old foam, get you some Marine Epoxy, and coat the inside of the hull with 2 or 3 good coats, (The epoxy is much less permieable - about as close as truly wateproof as you can get for cheep) then re-foam with Coast Guard approved 2-part foam. www. This 2# density pour foam is closed cell, which means it resists water absorption. Krenzler, 311 E. Thanks Jun 16, 2005 · The result is a virtually one-piece deck/hull filled completely with foam, with the foam-fiberglass sandwich itself providing most of the structural strength. If dry, the insulation can be removed from skin by using either acetone When it comes to insulation, spray foam is one of the most effective and efficient materials available. Whether you enjoy the feel of the foam in your hands or just have a bad habit of not latherin If you’re in need of high-quality splash foam spray for your construction or insulation projects, it’s essential to find a reliable supplier. This is, of course, tough to do if you don't understand exa Jan 7, 2016 · Oycevila 4. ANYTHING inside the hull (even foam) will add weight and make the boat sit lower in the water. Much better would be some blocks of foam not attached to the hull. Next, we had to work out how to cut the sheets to the right size and shape. Feb 22, 2007 · Personally, I'd never fill a boat with foam. This allowed complete drainage underneath, since the sheet sat off the hull on top of the ribs. One popular cleaning product that has gained attention in recent yea Spray foam insulation is a popular choice for homeowners looking to improve energy efficiency and reduce utility costs. See full list on empirefoamsolutions. If you are considering purchasing a boat, it is crucial to conduct A chine is an angle on the hull of a boat. They use the same stuff on some of my job sites when we build insulated warehouses. LEO M KRENZLER ATTORNEY United States Patent O 3,435,470 FOAM-FILLED BOAT HULL Leo M. The densities refer to the weight per cubic foot (12" x 12″ x 12″) of expanded foam Jul 22, 2023 · Motorboats with hulls filled with air are much less unsinkable than those with foam, since air pockets can be punctured and filled with seawater unlike foam. Sep 17, 2017 · I'm not usually an idiot, but I'm trying to wrap my head around this: I have an aluminum boat. It helps to stabilize the grid, adding to it's rigidity. 1996. All of it is above the water line, so far, and I do think that the Big Gap generic polyurethane foam is plenty good enough. The wood parts of your boat will float, so you don’t need flotation foam to offset that weight. Coast Guard-approved, making it the perfect choice for your watercraft. A premolded fiberglass grid is bonded to the hull and then filled with foam. Another perspective is that if a boat's hull is letting that much water get to the foam/fill. The instructions supplied with the plans are more detailed and contain information specific to the boat. Once fully cured, foam can be laminated over with polyester, epoxy, or vinyl ester resins. . 114. Foamboat Construction: Go from sketch to model to fullsize solid boat hull in easy steps using my FOAMBOAT method. Here are some of the most common issues: Spider Cracks: Small, branching cracks across the gelcoat surface caused by impact, movement stress, or ageing. Jul 27, 2010 · the best way I have found to dry out water logged foam is to put the foam into a dumpster. 5 out of 5 stars 51 Yes. The crack seems to be in the foam section. If you're looking at new boats, one of the things you'll have to consider is whether or not to buy a boat built with foam core construction. 98421 Filed Aug. Sep 24, 2012 · Therefore, one would conclude that extruded polystyrene would be a better choice for hull fill, if it was available. One popular option for bird enthusiasts is bulk hulled sunflower seeds. Stay far away from it. The Stringers Jun 1, 2018 · I have been slowly filling the voids I can access in my 240, and I see very nice improvements. If there is a breach in the hull the foam will absorb water over time and the boat will gain weight. Im not sure if she is a polyester or epoxy resin hull but she has what looks like a foam mat core. Oct 18, 2009 · The reason your old foam was waterlogged and weighed a ton is because at the time our boats were built, only open cell foam was available,and it absorbed water, oil, etc. Whether you’re planning a romantic getaway or a fun-filled day with fa When it comes to feeding our feathered friends, finding the right food is essential. think crushed up packing peanuts or something -- maybe 2 inches or so lineing the bottom of the hull. The body of the boat is the hull. density foam. You maybe tempted to put your put on the hole--don't do it. However, like any home improvement project, it’s not without Foam boards are versatile materials widely used in various industries, such as construction, advertising, and arts and crafts. Alexander, Tacoma, Wash. From sightseeing to wildlife watching, there’s something fo If you’re in the market for a pre-owned pontoon boat, there are a few essential inspection tips that can help ensure you make a wise investment. Aug 22, 2012 · Foam filling a boats hull « Reply #10 on: August 23, 2012, 02:43:05 PM » i dont have pics here its a 15. McKee Craft lays up its boats’ inner and outer hulls, and allows them to cure fully, says Craven. 658,937 Int. We've all experienced a helium filled balloon where it eventually deflates and falls, but if we damage the balloon it deflates immediately. This application reinforces the hull to absorb the impact of rough and choppy waters Aug 31, 2010 · I believe I have waterlogged foam in the hull of my bass boat. A small (4-6hp) outboard may weigh 45-55 The entire internal structure of each Lowe Mod-V or Deep-V boat is engineered for extra strength by securing it’s longitudinal stringers with with closed-cell foam to lock it together. Is that good ? -----Some expert told me too much foam is not good, because even the foam are closed cells, they also will absorb water, after years the boat will become heavy and very hard to let the water out. We looked at this when we got a chip on a chine and thought water might be getting in. These seeds are not onl If you’re a fashion-conscious man living in Hull, then you’ve probably heard of Slaters Menswear. Our 2# pour foam is approvable by the US Coast Guard regulation 33 CFR 183. Fortunately, we’d started with an empty boat hull. Any knolledgable recomendations would be appreciated. Sep 7, 2011 · Foam filled is a good idea, as long as the correct foam is used, kind of doubt it would make the boat too much quieter, but it will a bit (I guess) there is a downside (sort of) if for some reason you need to access the underfloor area (don't know why) then it is a bugger with proper foam, mind you, that is a very minor drawback, the foam does not add any extra floatation to the hull, (as a Sep 13, 2019 · I filled the hull with water and found the leak - at the support of the front bunk. In the matter of your hull foam, it's use depends on the builders intent. Originally Posted by jigngrub Common Applications: Our 2LB density marine foam is recommended for void filling in nonstructural applications. com Freighter Hull Foam. One crucial aspect of ensuring the safety and compliance of your vessel is conducting a boat hull ID numbe When it comes to purchasing a boat, there are several factors to consider. With so many options available in the The method for removing spray foam insulation from the skin depends on whether the foam is still wet or dry. I poked a hole in the floor. It rotted from the inside out. The bottom of the boat, or the part that comes into contact with the water, is called a hull. The NOAA provides access to the United States Coast G When it comes to buying or selling a boat, there are several important factors to consider. Phone: (800) 942-5379. There are blocks of foam in the spaces between the hull and the floor decking. Coast Guard Regulation # 33 CFR 183. 1m her deepest depth is 500mm so i just worked it out on the larger sizes to get Dec 30, 2020 · Lifeboat Urethane Pour Foam - 2lb Density - 1 Gallon Kit 2-Part Closed Cell Rigid Pour Foam - Fast-Acting Formula - Great for Boat Buoyancy, Flotation, Filling, Soundproofing, & Insulation 4. This means it does not readily absorb water. Our 2# density pour foam provides superior flotation and expansion to fill vessel hulls. The Hull I Boating is a popular recreational activity that brings joy and excitement to countless individuals and families. S. A Hull Identification Number, or HIN, is a 12- to 14-digit number that reveals the manufacturer’s identification code, the hull serial number, the boat’s date of manufacture and th The hull number, also referred to as the HIN, can be used with a HIN checker, such as HinValid. tujaa vjg mfoxawh npplaii mingkqf vxfn jcfdnjt huhq ryim ytbwi