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For his grandchildren, Maurice Poncet embarked on the construction of a castle tower in his garden. A project guided by his own imagination...

How to make a medieval tower for children

My grandchildren came back delighted with an amusement park. As I have a large lot, I had the idea to create a playground for them. However, Maurice Poncet has only a vague idea of ​​what he will build when he embarks on the adventure: " I left without a plan, with the only idea of ​​doing something that they like. He thinks of a simple climbing net, then the project evolves to become a castle tower with access, battlements, machicolations, coats of arms and... prison! A choice guided by material he stores: "Je has a stock of scrap bars from old carpet displays "Explains our reader. The structure is made with these metal uprights. " During construction, a friend gave me the idea to build a roof, I had not planned at first. The cladding of the tower is made of larch and the walls of the oak prison.

Welding at the heart of the project

The site starts at the workshop: sorting of the amounts, cutting and welding of the parts of the base which serves as a basis for the construction. The metal frame of the tower involves heavy welding work, which Maurice Poncet takes very seriously: " I was just a beginner, now I'm a real pro! "He says. To learn how to perform quality arc welds, he calls on a friend: " Given the number of assemblies, a retired boilermaker friend came to show me some tips to go faster. For example, I did not know that there were several diameters of chopsticks. Using 3.5mm diameter electrodes, I saved a lot of time.After these practical exercises, our reader really starts the project. As he has not established a plan or dimensions, it is the length of the scrap which guides the operations. The whole structure rests on a base sealed on the ground (excavation and concrete pads). But our Maurice Poncet complicates the exercise: " I chose a hexagonal shape for the tower, it's more fun! Certainly, but it takes a lot of imagination to start from a simple ground hex. Not easy indeed to find the right proportions... With the issue of ratings, it will be one of the major difficulties of the project.

Guaranteed brick effect

After being a welder, Maurice Poncet becomes a carpenter-carpenter. On the program of the works: realization of the frame, creation of the floors then assembly of the walls. A meticulous job, because our reader has the attention to detail: " Everything is assembled to the millimeter. For example, the boards that make up the walls of the prison are cut at 30°. I wanted the assembly to look like bricks. "The effect is successful, especially as Maurice Poncet put on his clothes as a painter and added to the decor his personal touch:" I painted the boards in green and the joints in red. " And it's not over! " I am thinking of a castle with a facade 15 m high and 14 m deep... We do not know yet whether there will be oblivion!

Realize the hexagonal structure

Realize the hexagonal structure

The construction has reserved some surprises at the beginning: «I traced the hexagon in the garage and I realized that the metal studs were too short... Our reader quickly found a solution to make a base large enough: to weld a square in the center of the hexagonal structure.

Train the legs

Train the legs

To transport the base on site, the whole family lends a hand, including madam! Four metal posts 80 cm long are welded to form the base.

Treat the structure against rust

Treat the structure against rust

Sealed in concrete pads, the four feet hold the construction on the ground. The base-support is treated with an antirust paint, like the whole structure.

Raise the tower

Raise the tower

The elevation of the tower begins. All steel tube uprights (4 mm thick and Ø 80 mm) are welded to the base. They then receive the metal support structure of the floor of the floor, then that of the roof (made of wood).

Structures supporting the floor and roof

Structures supporting the floor and roof

The most difficult: position the elements and hold them in place before the welding operation. " I used props and pallets "Says our reader, who took risks for his safety.

Structural work

Structural work

The metal structure of the tower is fully assembled. Our drive starts the framing work. A first: " I did not know how to make a roof, I was a little fumbled by starting with plywood that I finally dismounted! »

Hexagonal roof

Hexagonal roof

Maurice Poncet learns quickly. The work is not executed in the state of the art, but the hexagonal roof takes shape.

Keep the roof

Keep the roof

"I thought that the assembly of the six chipboard panels would be enough to hold the roof. But I had to reinforce them with chevrons. In fact, I worked backwards! "

Practice an opening

Practice an opening

The roof is finished. A bitumen shingle seals. Not originally planned, the Fenestron is designed to allow the passage of rafters. Clever: two uprights are made with reclaimed footboards.

Lay the roof

Lay the roof

A hoist allowed the roof to be placed on its hexagonal wooden support. The " belt "Trouble sablières is fixed on this base, itself bolted on turntables welded to the amounts.

Build a perimeter balcony

Build a perimeter balcony

On the advice of his friends, Maurice Poncet starts building a perimeter balcony in steel tube. The structure is welded on the intermediate base and reinforced by jambs (three on each amount).

Fireman's bar, ladder and slide

Fireman's bar, ladder and slide

The facility includes a fireman's bar, a ladder and a toboggan. Recovered in a sorry state It is completely restored and treated with rustproof paint.

Realize the climbing net

Realize the climbing net

The climbing net is made in one piece by Madame Poncet, sportive and attentive grandmother! She made the knots of rope after the advice of a fisherman. It took him almost two days to set it up.

Saw the slots

Saw the slots

Our reader has a sense of detail. As proof, he carefully saw the future " battlements Who come to rest on the guardrail of the tower.

Constituting the railing

Constituting the railing

The railing consists of larch formwork boards (27 mm thick). Planed, decorated with cut patterns (arrows), then painted, they are firmly attached to the metal structure: child safety requires! A work that our reader appreciated: " Cladding, decoration... is easy, especially since I have good equipment. »

Decorate with wooden planks

Decorate with wooden planks

Our reader did in the solid. From the boards of an old oak parquet, he made wooden bricks, bevelled and screwed on a wooden structure previously installed. The floor of the jail "Is also made from formwork boards, fixed on a joist bolted to the metal base.


Video Instruction: How to Make a Cardboard Castle