Arch Head
An arch head is a polyurethane architectural moulding that highlights the upper junction or end of an arch. It is used around doors and windows, at interior transitions, in stage openings and within decorative niches to complete the upper section of the arch form. Cast polyurethane has a density of 150-220 kg/m³, making it lighter to install than comparable plaster, stone or solid wood elements. Its closed-cell structure keeps water absorption below 1%, while the product offers resistance to moisture and impact. The arch head is factory-primed and can be painted with water-based or synthetic paint. Its dimensional stability test range is -20 °C / +70 °C. Installation is carried out with polyurethane-based adhesive; screws or wall plugs may be added according to the cross-section and application conditions. The arch head is decorative and is not a structural element.
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Frequently Asked Questions
What is an arch head?
An arch head is a polyurethane decorative moulding that visually completes the upper junction or end of an arch. It does not carry structural loads.
Where is an arch head used?
It is used around doors and windows, at interior transitions, in stage openings and in decorative niches to emphasise the upper section of an arch.
How is an arch head installed?
An arch head is secured with polyurethane-based mounting adhesive. Screws and wall plugs can be added for mechanical support when required by the cross-section or application conditions.
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