Twin-layer panel: a stone sheet of roughly 4 mm over a high-density polyurethane core that provides thermal and acoustic insulation and acts as a damp barrier. It is the lightest and 'warmest' material in the range, designed for interiors where acoustic and thermal comfort matter.
6–7kg/m²Weight
B-s1,d0cert. ENACReaction to fire
Thermal + acousticInsulation
InteriorApplication
The Lumbier panel is a perfect copy of the louvred windows of old houses. It bonds directly to the wall with PanelPiedra® special adhesives or is fixed with screws, for a quick installation with no building work.
1
Gather your materials
Drill, adhesive, spirit level, rule, plugs and screws.
2
Measure and level
A clean, dry and level wall.
3
Cut to size
With a saw or an angle grinder with a fine disc.
4
Apply adhesive
Beads of adhesive from top to bottom on the back of the panel.
5
Position the panel
Press the panel against the wall.
6
Fit the panels together
Join panel to panel, with no gaps.
7
Reinforce with screws
With the panels properly fitted, reinforce with 4-8 screws per panel.
8
Finish and fill
Fit the trim profiles, then fill and paint the joints.
Interior 
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