| 摘要 |
<p>The structure is clad with a sheet of plastic wherein the sheet is adhered to the structure by between 0.5 to 1.5 kg per square metre of adhesive. The adhesive is at least two component ambient temperature curable adhesive with a viscosity that allows spreading within five minutes of mixing the components. The adhesive has a working time of up to 60 minutes. The plastic sheet may be a rigid or semi rigid polyvinyl chloride (PVC). The adhesive may be polyurethane adhesive. The structure may be a drywall finish constructed of sheet building material. Also claimed is a trowel where grooves in the spreading edge of the trowel are spaced apart by a distance of at least 2cm but preferably between 2 and 4cm. The grooves may have a width of 1cm and a depth of up to 1cm.</p> |
