Millboard Horizontal Starter Trim J SKU: MILCTH25J $31.03 Quantity discounts available QuantityPrice Quantity -+ Add to Shopping Cart Details Horizontal Starter Trim is used to start the cladding at the bottom, when the cladding is fitted horizontally. Fixed with the perforated closure and 2... Details Back Details Horizontal Starter Trim is used to start the cladding at the bottom, when the cladding is fitted horizontally. Fixed with the perforated closure and 20mm fixings. Details: 25mm x 10mm x 2500mm Construction