Products
Megapan Base
The MEGAPAN BASE is a universal board, which can be used as a bearing board for bitumen roofs as well as wall, ceiling and floor covering in the construction of domestic, commercial and industrial buildings. The megapan base boards are fireproof, watertight and easy to install; they are very sturdy and show no signs of erosion. They offer building design a lot of possibilities and therefore replace traditional boarding materials. It is suitable for use as a decorative or construction board, inside as well as outside.
MEGAPAN FOR CEILINGS AND WALLS
Different thicknesses and even multi-layered boards can be used in the construction of walls and ceilings, depending on the demands for noise insulation or fire-resistance.
INTERIOR PARTITION AND FACING WALLS
Fixing:
MEGAPAN boards are fixed, without pre-drilling, directly onto the metalframe with self-tapping, countersunk, anti-corrosion screws.
The screw has to be countersunk up to 0.5mm into the surface of the board. The centre to centre distance between the metal supportsis max 600mm for a 10mm megapan. When fixing onto a wooden frame, it can be screwed or nailed down. Here again the distance between the vertical supports amounts to max 600mm. More information on this can be found in the relevant technical instructions. (See drawing)
| Board thickness | screw thickness = 3.9 mm | ||
| length | distance | consumption/m² | |
| 10 mm | 30 mm | 305 mm | 10 st / m² |
| 12 mm | 30 mm | 305 mm | 10 st / m² |
| 15 mm | 30 mm | 305 mm | 10 st / m² |
| 18 mm | 45 mm | 305 mm | 10 st / m² |
| Board thickness | staple (galvanised and resin-coated), thickness = 1.5mm, back width=10mm | ||
| length | distance | consumption/m² | |
| 10 mm | 30 mm | 200 mm | 16 st /m² |
| 12 mm | 35 mm | 200 mm | 16 st /m² |
| 15 mm | 44 mm | 200 mm | 16 st /m² |
Distance of screws and nails from edge: minimum 15mm
Distance of screws and nails from corner: minimum 50mm
Finishing:
One can either glue or use plaster to finish off the joints.
Glued joint:
To achieve an optimal connection between the joints, it is necessary to only glue the MEGAPAN boards together with special MEGAPAN joint glue. This is available in a 310ml tube. The edges of the boards need to be dust free before being joined. Apply the glue to the middle of the edge of the board, not onto the frame. The boards need to be cut straight and at right angles. It is important that, when pressing the two edges of the boards together, the glue fills up the joint fully and overflows. The width of the joint may only be max 1mm but yet not be pressed together to 0mm. Consumption: per meter joint, approximately 20ml of glue is used. The MEGAPAN board is screwed onto a metal C-profile or on a wooden construction (in this case it can be nailed down as well). Afterwards, the glue is applied in the form of a flat strand onto the middle of the vertical edge of the board. The temperature before handling the glue should be minimum 10ºC. The atmospheric temperature may not be less than 5ºC. The second board is pressed against the first as a result of which the glue is compressed. The width of the joint needs to be 0.5 – 1mm. The glue hardens after approximately 18 – 36 hours, depending on the room temperature and the atmospheric humidity. Afterwards, the excess glue is fully removed, for example with a filling-knife or a wide chisel. The wall is then finished by filling the joints and screw holes with filler.
Plastered joint:
The joint width needs to be minimum 4mm when using the plaster method to join the boards. The edges of the joints need to be dust free before plastering. Joining can only be commenced when the boards are free of building humidity (so when the boards themselves are dry enough). This plaster method can normally be implemented without reinforcing tape. There always needs to be a support behind a joint which has been finished with the plaster method. The connecting boards need to both be fixed onto this support.
Joining is done in two layers, without using reinforcing tape. The first layer needs to be dry before applying the second. The joints are fully filled with plaster using a metal trowel and then are smoothed. Places with fixings and damages are also filled in. Irregularities can be rubbed off after the first layer has dried (with sandpaper grain 60). After the dust has been removed, the second layer can be applied. Extra finishing layers of the wall may be necessary depending on the set demand for smoothness and the method of installation.
CEILING COVERINGS
Fixing:
The MEGAPAN boards are mounted on wood using staples or screws. For metal profiles, screws are used. All fixings need to be countersunk deep enough into the boards and filled in.
The centre to centre distances of the structure depends on the thickness of the attached boards. The general rule for horizontal surfaces is 35 x the thickness of the board (e.g. 10mm x 35 = 350mm) and for sloping surfaces 40 x the thickness of the board (e.g. 10mm x 40 + 400mm). More information can be found in the relevant technical building instructions.
The MEGAPAN boards need to be tension free when mounted. On the framework, screws need to be fixed from the middle of the board to the edges or from one edge of the board running through to the other edge. In no case should all corners be fixed first before the middle of the board is fixed. Make sure to press the boards firmly onto the support frame.
(See drawing)
| Board thickness | screw thickness = 3.9 mm | ||
| length | distance | consumption | |
| 10 mm | 30 mm | 200 mm | 16 st / m² |
| 12 mm | 30 mm | 200 mm | 16 st / m² |
| 15 mm | 30 mm | 200 mm | 16 st / m² |
| Board thickness | staples (galvanised and resin-coated) thickness = 1.5 mm | ||
| length | distance | consumption | |
| 10 mm | 30 mm | 150 mm | 20 st /m² |
| 12 mm | 35 mm | 150 mm | 20 st /m² |
| 15 mm | 44 mm | 150 mm | 20 st /m² |
Finishing:
Ditto as walls (See above)
When ceiling constructions with Megapan boards are connected with other materials such as plaster, concrete, brickwork, steel, wood, it is necessary to always ensure a division between the different materials. The joints between the megapan boards and adjoining construction are sealed using an elastic sealant with durable absorption of movement of minimum 20%. This sealant needs to be approximately 4mm wide. The edge of the board needs to be brushed smooth before sealing.
FINISHING OF WALL AND CEILING
Before commencing the work, e.g. painting, wallpapering or tiling, it is necessary to check whether the surface is suitable for any of these finishes. The surface and the joints must be dry, sturdy, dust free and without stains. The megapan boards have been impregnated in the factory. Applying an undercoat to the boards is only necessary if the manufacturer desires this, e.g. in case of thin plasters, structural plasters, paint or tile adhesive. The undercoat must be water free. When applying several plaster layers, the drying times of the manufacturer need to be respected.
- Painting: all usual kinds of paint can be used both solvent-based oil paints as well as water-based latex paints. However, the instructions of the paint manufacturer must always be followed.
- Wallpapering: There is no problem putting up any kind of wallpaper using the usual wallpaper glues.
- Plastering: As megapan boards are impregnated in the factory, an undercoat is only necessary if the manufacturer of the plaster demands this.
- Different plasters should be applied according to the manufacturer’s instructions.
- Tiling: The rough edge of the megapan is most suitable to fix ceramic tiles to. When putting up tiles on the megapan boards in a bathroom or a shower cubicle, it is advised to use a solvent-based tile adhesive.
Synthetic boards as well as veneers can easily be put up by means of any dispersion- or resin glue if mentioned by the manufacturer. In any case testing is advised before using the glue
