Ferrocement construction refers to a specific style of steel and. A fast method of repair is to knock out broken pieces with a hammer until the mesh is completely free of all loose particles. But we do know mick and bee who have been sailing their gaffrigged ferrocement sailboat hannah for many years, though weve never. Is it satisfactory to use standard ferrocement methods to repair a hole in a ferrocement boat. How much would it cost to scrape and paint the hull. Those light ships and such of ferro cement that have survived 100 years of continuous use, should be looked at as examples of the method.
Csi 2011, sap2000 integrated structural analysis and design software, comput. The premier scource of information on ferrocement boats, ferro, ferro cement, ferroboats. Ferrocement or ferrocement is a system of construction using reinforced mortar or plaster lime or cement, sand and water applied over an armature of metal mesh, woven expandedmetal or metalfibers and closely spaced thin steel rods such as rebar. Explore 3 listings for ferro cement at best prices. See more ideas about cement, construction and papercrete. Marine survey scope sailing vessels ferrocement ferrocement vessels are constructed using an internal steel armature which usually cannot be inspected as it should be totally buried in the cement skin. Hence the normal ferrocement yacht hull survey consists of a very careful visual inspection for signs of rust, cracking or swelling on the. Information on the production and marketing of flyash from a utility plant. Ferrocement was the in material to make a boat hull from, and my father was quite taken with the idea behind it.
New zealand ferro cement works sailboats for sale by owner. The components of ferrocement are portland cement, sand, water and reinforcing steel, which is. In july of 2002 we were ready to start work on aquarius. New zealand ferro cement works used sailboats for sale by owner. A 10 metres fero cement yacht powered by a yanmar diesel engine. Before building the walls and roof of the tank, there must be a. These designs may also have an alternate building method and if so, will be noted in the design description. How to build a ferrocement boat john samson, geoff wellens on. Repairing ferro cement hulls ferrocement boat owners. Page 1 of 2 repairing ferro cement hulls posted in ferrocement boat owners association. The current paper presents the experimental models of ferrocement slabs. Ferrocrete ferrocrete is a form of reinforced concrete using closely spaced multiple layers of mesh andor small diameter rods completely infiltrated with, or encapsulated in, mortar synthetic compound composed of a mix of metallic alloys, ceramic polymers and stone has.
Repairing ferrocement hull damage concrete construction. The lowcost technology is simple, durable, and reproducible. The italians called the method of construction ferrocemento. We had originaly hoped to limp her north under sail to work on her at a boat yard closer to our home, but decided she needed some basic work before we tried to take her anywhere. Secondly, the material isnt repairable easily, certainly not with more concrete.
The idea of using chicken wire and cement construction is not at all new. Building a ferrocement yacht concrete construction. Restoring aquarius, our 55 ferro cement sailing ketch. Johns book, the new way of life, encouraged countless numbers to throw off the shackles of working life, build a boat and sail off to the south pacific. Our product range includes water tanks, septic tanks, designer roofs, boats and barges.
Ferro cement products are light weight, economical. Boats made with ferro cement second hand 22 ferro cement boats for sale. She sleeps one double and two singles and has fridge, stove and heaps of. Mushroom fairy house for poser, daz studio and software that opens an obj file. Technical data sheet of the secondhand sailboats for sale. My experience with ferrocement started as a young man, by reading about how to build ferrocement boats. The company grew quickly and sold ferrocement boat plans to dreamers all over the world. The world of ferroboats cement, concrete, energy companies, sailing adventures. Ferro cement was heavily promoted by some kit boat companies to people with the idea that you can build a35 foot sailboat in a day and sail off to paradise. We have no experience with ferrocement boats, other than hearing that they do not handle abrasion well.
Construction of a ferrocement structure begins with an understanding of the material, even a preliminary artistic sketch rests upon the artists feel for what is possible with a sculptural material. This site is devoted to the promotion of ferroboats as well as a base for all matters ferro in the boating world. Secondhand ferrocement 63 ketch with ford 115hp desel engine, 18. This page is for anyone who has an interest in ferrocement boats but particularly the designs of richard hartley. Most boat damage occurs not from the sea but from collisions, ferrocement hulls lose local watertight integrity fairly easily and i like to see watertight bulkheads with this construction. I have seen swinging anchors that have gone through ferrocement hulls. Ferrocement is fast emerging as an alternate material for timber.
Ferro cement being a thin material single piece panel of size up to 4. The hull on this yacht has been built in an approved, proven method for ferrocement construction, as confirmed by the lloyds register of shipping ferrocement hull release note, no. Ferrocement superinsulated shell house design and construction. This method has very serious issues for yachts and fishing boats. This finite element software was also used by shaheen et al. A 30ft 8ton displacement sailboat built in wood weighs 8tons. Martin iorns deceased owned a company in california that built ocean going laminated ferrocement sail boats. But we do know mick and bee who have been sailing their gaffrigged ferrocement sailboat hannah for many years, though weve never asked them for their thoughts on ferrocement. It can be used in combination with plain cement concrete or reinforced cement concrete. A solid boat that was a families cruiser for many years and is ready to take you on the adventure of a lifetime. Unfinished project includes 12m mast, sails, stainless steel cables and turnbuckles, brand new 40hp volvo diesel penta engine all to be fitted. Information on ferrocement, soil cement, bamboo as a reinforcement for cement, etc. The british, new zealanders and canadians who promoted the method for amateur construction called it ferrocement, often referred to as concrete.
The ferrocement process seems ideally suited for that large. Investigation of ferrocement channels using experimental and finite. The minute i stepped aboard this boat i had the feeling of expanding horizons. She has is equipped and ready to go sailing with a new tiller pilot and dinghy and outboard.
According to american concrete institute ferro cement is a thin walled reinforced concrete construction where usually a hydraulic cement is reinforced with layers of continuous and relatively small diameter mesh. Lastly, the armature, which is the key to the build, cant be. Secondhand ferrocement 63 ketch in hampshire united kingdom. New zealand ferro cement works preowned sailboats for sale by owner.
Despite possible pitfalls, it seems that ferro c e m e n t boats are here to stay. If you come here often, you should tell us and the whole world, really about yourself in the bio section of your profile. Once the reinforced or ferro cement sets up, youll have a seaworthy hull thats both dirtcheap and virtually maintenancefree. Cemex uk sorryi know this is a nz forum make a cement called cemex rugby sulphate which is a highly sulphate resistant. A 30ft 8ton displacement sailboat built in grpfrp weighs 8tons.
Ferrocement is a construction material consisting of wire meshes and cement mortar. Quality of ferrocement works are assured because the components are. I have been dreamily eyeballing what appears to be a very nice sailboat for sale on craigslist that is ferrocement. How to build a ferrocement tank with pictures wikihow. I am new here and just got my first ferrocement boat. Ferrocement sailboats attainable adventure cruising. Experimental and analytical model of ferrocement slabs. Ferro cement sailing boat moored at summerland point, lake macquarie. It is necessary to design and calculate tensile reinforcement for ferrocement channels with various. Is ferrocement still being used to make boat hulls. The ferrocement educational network is a noncommercial, notfor profit, educational organization. The premier scource of information on ferrocement boats, ferro, ferro cement,ferroboats. Where timber is to be used as the main material for fitting out a ferrocement hulled fishing boat, the designer and builder will need to collate the details required for. Read our story each item on our site has a product page where you can add the item to your cart.
All of the glenl boats that are designed specifically for steel construction are in this category. It is the cheapest and easiest form of construction for boats over 25 ft. Ive been reading up on different methods and opinions and was. I dont have the time to write you a book, but here goes. Ferrocement boats is not just updated from hartleys previous books, but an entirely new book. Explore 5 listings for ferro cement boats for sale uk at best prices. Some of the info seems to be out there but is sometimes is difficult to find 1. Org for construction history of the ferrocement boat proceed to the main index below is the boat in the water yet to be rigged.
We have been providing buildityourself boat plans since 1938. Designed by dl wilson and built in new zealand, this solid vessel represents a tremendous value at a fraction of the cost. There are many questions that need to be answered about this boat so i will start here with the first one. If youre boat wise and already know something about this construction technique, you can probably adapt regular boat plans to the process. Based in new zealand, we send our boat designs all around the world. All payments are securely processed online using the stripe.
If anyone is considering cement boat construction, they would be well advised to look into the newer fiber armatures. Ferro build ferrocement construction technology youtube. If i remember correctly, the hull was one inch thick. Get an email alert for new ads matching your search. Indias leading company into ferro cement construction. Ferrocement is the name given by english speaking people to a boat building method using steel wires covered with a sand and cement plaster, patented in 1855 by the french, who called it ferciment. We have decades of experience repairing and building ferrocement boats and we can come to wherever your boat is to get you back out on the water. Applications of ferrocement in construction is vast due to the low self weight, lack of skilled workers, no need of framework etc. R theobald, surveyor to lloyds register of shipping and further confirmed by discussions with the designer, who confirmed the scantlings used to construct the hull. Ive started this thread to record what ive learnt about repairing ferro cement. The mesh used may be metallic or any other suitable material. Ferrocement tanks are used in many regions of the world as water storage tanks. The fen is dedicated to serving educational needs in the field of.
A book based on the authors handson personal experiences of more than 35 years of building, repairing, surveying and designing ferrocement boats. Ferrocement has been used for at least 150 years in construction the boat building. Mo r e re s e a r ch into the standardization of construction techniques, cement form u l a s, d e s i g n s, stress tests, plastering, and re i n f o r cement techniques will cut construction time and costs, and estab. An epoxy mortar is worked into the old edges and fresh portland cement mortar immediately worked into the mesh. Ferro cement is a construction material that proved to have superior qualities of crack control, impact resistance, and toughness, largely due to the close spacing and uniform dispersion of reinforcement within the material.
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