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This staircase is ideal to reach a half-floor opening, in the form of dormant dormer, located at the right of the facade. Its design is very simple and its rustic character matches the style of the house.

making a fir tree sucker ladder for outdoors

Designing a staircase is often considered a difficult exercise. The sleek style of the model presented here, an unplaned fir miller ladder, makes it a simple operation, accessible to most and feasible in one day.

Several layers of boards for a staircase

The staircase consists of several elements: two silts, two racks and six steps.

Limons and racks are made in boards 27 mm thick, but the steps have a thickness of 34 mm for strength. The silts are made in planks 250 mm wide, racks and steps in planks 200 mm wide. The height of the steps is 200 mm.

A class of wood well determined for the outside

A non-planed coniferous tree is used here, but one can just as easily choose a hardwood or an exotic wood (all depends on the available budget). Although it is possible (and desirable) to apply a saturator type impregnating product before the installation of the staircase, it is practically obligatory to use treated wood of class 4 origin. job (there are five) have the following characteristics: they can be used outdoors.

using a handsaw

The general inclination of the staircase being 45° (practical angle to be defined), draw the cutting line of the end of the stringers at this angle.
Use a handsaw with the help of a cutting guide.

tracing the profile of the first step

From the line of cut that has just been made, draw the profile of the first step on the silt in pencil, guided by a square.

draw the lines of cuts

Continue tracing the cut lines knowing that the steps are 200 mm wide and that their spacing is identical to their width. Here again the square is indispensable.

cutting stairs with a manual saw

Make the cuts with a sharp handsaw, taking care to respect the right angles.
A jigsaw with a new blade, would be just as good...

gluing the racks

The assembly of the racks on the string is done by gluing and nailing.
Trace the rack's grip on the silt in order to glue as accurately as possible.

use of a nailer

Position the rack on the glued area held by clamps, then nail it to the mud.
Use points that do not exceed the thickness of the assembly (here 45 mm).

scale fitting

Cut the boards of the steps to the desired length.
Mount the assembly blank holding it by two large clamps.
Then nail the ends of the steps in the thickness of the rack.

installation of the wooden staircase

Before installing the staircase, pass an impregnating product.
Provide a bed of gravel or better, a concrete sole to protect it from moisture.
It is possible to seal the end of this ladder of sucker in the wall via discrete brackets.

Practical tips for the realization of the external staircase

- Your staircase can rest directly on the ground, but to guarantee its longevity as its perfect stability, you will gain to sink a small concrete base on which the silt will rest.
- Always in a spirit of sustainability of the work, you can replace the galvanized tips with brass screws, insensitive to corrosion.

Video Instruction: Tree Pruning Tips