Duo sheet metal 2 row pigeon defence bar made of stainless steel, material no. 1.4301 Wire thickness 2.0 mm Welded onto a 20 mm wide stainless steel strip Length: 1000 mm Spike height 110 mm Made in Germany! Factory / acceptance test certificate according to DIN EN 10204/3.1 possible. The product Duo sheet metal is made of stainless steel, material no. 1.4301. The surface is untreated and the V-shaped spikes (spikes d= 2.0 mm) are welded onto a stainless steel strip every 50 mm. The strip is 20 mm wide and perforated 10 times for mounting purposes. The clear width of the spikes from tip to tip is 65 mm. The spike height is 110 mm. The entire strip is 1000 mm long. Duo sheet metal covers a landing area of approx. 115 mm. The principle As Duo Blech is made of stainless steel, rotting is almost impossible. This guarantees a long service life and gives you a visually attractive, clean appearance. Duo sheet metal can be easily cut to the required size using tin snips. The advantages Duo Sheet is our ‘narrow’ version (‘wide’ version see Quattro Sheet). It is ideally suited for installation on window sills, balcony parapets, wall projections, railings or similar, wherever only areas of small width need to be covered. Duo Sheet gives your property optimum protection. The installation Duo sheet metal can be fitted in one or more rows (over the entire surface) or combined with Quattro sheet metal. When mounted over the entire surface, ‘flying behind’ is prevented and it is impossible for the pigeons to perch. Duo sheet metal can be attached either with screws or rivets via the holes provided in the strip or simply with our special adhesive.