Fitting Cladding Panels

>HOW TO FIT THE PANELS

A waterproof film must be fitted (the only exceptions are for watertight walls or foamed concrete walls). Please refer to French Standard DTU 41.2 on external woodcoverings. The primary function of YACHTING panelling is not to ensure water-tightness. A waterproof covering is essential for ensuring a watertight seal. It should be fitted with a minimum overlap of :
- 5 cm at the horizontal joints
- 10 cm at the vertical joints
If the film is ripped, it should be repaired to ensure continuity. Attachment slats should be secured with a nail driven at least 30 mm into the wall. Nails should be driven at least 22 mm into the secondary framework.

STEP-BY-STEP FITTING INSTRUCTIONS :

YACHTING panelling can be fitted vertically, horizontally or even diagonally. A diagonal design should require special attention to ensure water drainage and prevent retention. This type of design does entail a greater risk of water retention within the joints. In all cases, the tongue of the tongue-and-groove joints should be facing upwards. In the case of vertical or diagonal panelling designs, the tongue should face the prevailing winds.

>TO FIT HORIZONTAL PANELLING (highly recommended)

Attachment slats (27 x 40 mm) should first be secured to the wall, spaced no more than 60 cm apart. YACHTING panelling should be fitted at least 20 cm above the ground. Ensure sufficiently large air intakes and outlets so that 50 cm² of air enters per metre of cladding.

>Finishing

Use the edging trim around windows and at protruding corners.

At the edge of skylight windows, the panels should stop 3 cm away from the metal roof joint and the connection must form a weather check. To finish internal corners, use the “convex corner part” accessory. Allow 4 to 5 mm clearance between the corner accessory and the edge of the panelling. For a joint with plastered cladding, use the edging trim.

>Securing YACHTING panels

In seaside areas, use stainless steel nails (X5CrNi 18-10 or X5CrNiMo 17-12-2).

- single nail required width wise, hidden by the overlap

- easy nail positioning, thanks to the nail alignment groove

- stainless steel nails (X10CrNi18.8, French Standard A35-577), class B hard-galvanised, French Standard NF A91-131, annular nail or drive screw

- the head of the nail should go no further than 1 mm into the wood.

>TO FIT VERTICAL PANELLING

The above rules can also apply with the following adaptations:

- 2 solutions

1/ Single battening: ensure sufficient ventilation by using a staggered slat formation.

2/ Double battening: provides for better air ventilation and easier to fit the waterproof film.