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Can I seamlessly butt-join MDF sheet without cracking?
Hi,
Hoping someone can assist me. I'm using 18mm MDF board to clad the side stringer of a stairway. Please see attached an image of a similar design.
The MDF sheet covers the face of the glass balustrade which is fixed direct to the stringer using concealed fixings. Height at the highest point from top tread to floor is 1900mm, unfortunately the largest MDF board I can buy is 1800 x 3600mm. The longer side is needed for the length of the stair which means I'm left with a small butt join just one tread or 250mm long.
It would be nice to use one complete panel instead of having to make a feature of the joins, most likely vertical.. Is there a method to butt join MDF board so it will not crack? Using edge biscuits or other? the glass balustrade prevents anything being attached to the inside surface, so all joins will need to be wholly within the material.
Many thanks.
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