Used Sheet Metal Processing Machine for sale (73,412)

Condition: good (used), Lid folding machine, folding machine, folding machine, lid folding machine, can folding machine, can folding machine -Lid seaming machine for sheet metal buckets -The machine creates the fold for the lid Gbedpfx Aaeb A H R Eotjt -Dimensions: 1000/1200/H1150 mm -Weight: approx. 800 kg

Condition: used, Year of construction: 2025, functionality: fully functional, machine/vehicle number: SN075360, 12-month warranty Gjdpfx Aezldumjatebt

Condition: good (used), functionality: fully functional, input voltage: 400 V, input frequency: 50 Hz, DGUV certified until: 07/2027, type of input current: three-phase, Sheet metal cleaning machine Jeros 5015/828 for 2-edge sheet metal short side raised stainless steel design with oiling function DGUV V3 certified – available only from us Connection: 400V, 16A-CEE plug Used machine Gbsdpfx Asyaklcoatet Come and visit us!

Condition: excellent (used), Year of construction: 2016, functionality: fully functional, input voltage: 400 V, total length: 1,100 mm, total width: 1,320 mm, total height: 1,050 mm, input frequency: 50 Hz, Sheet metal cleaning machine KD-Putz Tubur Premium Sheet metal cleaning machine for baking trays / perforated sheets short side raised Gsdpfx Aeyv U Nfoatebt stainless steel version with oiling system & sheet metal trolley connection 400V, 16A CEE plug dimensions: 1320 x 1100 x 1050 mm, WxDxH used machine, available from a bakery.

Condition: ready for operation (used), Year of construction: 2017, functionality: fully functional, machine/vehicle number: M704025, sheet thickness (max.): 100 mm, overall weight: 4,650 kg, passage width: 1,300 mm, TECHNICAL DETAILS Unit: 1 x rotating sanding belt, brush belt Table: 2 movable tables with rubber belt/conveyor belt Material thickness: 0.8 to 100 mm Gbedozkr Rtepfx Aatet Passage width: max. 1,300 mm Workpiece dimensions: min. 180 x 100 mm Workpiece weight: max. 250 kg/m Feed rate: 0.2 to 6 m/min MACHINE DETAILS Operating hours: approx. 1,500 h Dimensions & Weight Dimensions: 2,200 x 2,900 x 2,200 mm Machine weight: approx. 4,650 kg EQUIPMENT Processing: on both sides, dry

Condition: new, neu ca. 12 Wochen ab Auftrags Italien 57900 € 1094.31 € 1 650 mm 0,5 - 170 mm 670 x 2200 mm 4000 m³/h 120 mm 6 bar 78 (+/-2) dB 22 kW 2600 mm 1350 mm 2100 mm 1125 kg WITH 2 WORKING STATIONS: 1 X GRINDING BELT UND 1 X BRUSH UNIT ON TOP Machine made of stress-free welded steel construction for stable and rigid structure. Work table with motorised height adjustment via 4 synchronised spindles. Independent drive motors for each work group. Hoods for extraction inside the machine, one per station. Touch screen for -Automatic star-delta connection of the main motors - Analogue ammeter for each group - Digital display for sheet thickness with decimal point tolerance - Material thickness adjustment (+/- 0.1 mm) - Machine condition monitoring with alarm messages FEEDING SYSTEM Robust steel structure, wear-resistant surface. Vacuum conveyor belt on request Variable feed speed via frequency converter 0.6 to 6.5 m/min. Rubber conveyor belt, oil and temperature resistant Automatic conveyor belt centring Lateral guides to prevent the belt from lifting off. Rubber pressure rollers in front and behind each station, oil and temperature resistant Idle rollers at the front and rear table INCL. OPTIONALTAMPICO BRUSH SYSTEM FOR CONVEYOR BELT CLEANING Ø 150 MM 1 . WORKING GROUP - R Balanced contact roller Anti-oil and anti-heat Nitrile rubber coating Adjustable via eccentric shaft for working position and compensation of abrasive belt wear Pneumatic cylinder for automatic feed to working position and for lifting in case of emergency stop. Abrasive belts and/or Scotch Brite can be used. Motorised adjustment and electronic control of contact roll height. Variable speed motor with automatic brake in case of emergency. Pneumatic tensioning system for the abrasive belt. Sanding belt centring system, with electronic photocell. Oscillation adjustment in width and time. Diameter of contact roller mm 125 Positioning accuracy of the contact roller adjustment mm +/- 0,02 Grinding belt speed m/sek 3-18 Motor power kW 7,5 2. WORKING GROUP - X 2 rows of vertical brushes, 4 rotating clockwise and 4 counterclockwise. Transverse movement of the entire group (oscillating) Quick change holder for brushes Brush diameter mm 115 Number of brushes No 8 Oscillation stroke mm 15 Rotation motor power kW 2,2 Revs 1/min 1000 Oscillation motor power kW 0,4 Grinding brush speed m/sec 10,0 Gbjdpfewiqukjx Aatst Optional accessories: B Group - External barrel brush Ø 150 mm with Scotch Brite Brush € 5150,00 with Wire Brush 0,3 mm € 6060,00 R GROUP - GRINDING BELT Motor 11 kW € 740,00 X GROUP - CUP BRUSHES Motor with variable speed 5,5 kW 350/1100 incl.

Condition: used, Year of construction: 2008, working width: 800 mm, Grinding machines TimeSavers are designed for surface processing of parts up to 800 mm wide. Product fixation - vacuum. The machine is equipped with 2 stations: abrasive belt / brush. The equipment is suitable for grinding, edge rounding, oxidation and slag removal, final grinding. Technical specification: Model: Timesavers 41 series 900 WRD Year: 2008 Max. part width: 900 mm Godovyhttjpfx Aatobt Max. part height: 80 mm Min. part height: 15 mm Speed: 1 - 10 m / min (adjustable) CNC controller: adjustable speed, part dimensions, grinding pressure and more. Other: heater, can work in cold conditions If you have more questions, we will be happy to answer.

Condition: excellent (used), Year of construction: 2000, Programmable and automatic machine for the production of sheet metal panels by forming multiple bends on all four sides. Gbodpfx Aaew A Nnpstjt

Condition: used, Wide belt sander used Make:TimeSaver Series WRB Machine-No. 2480-19 Dry processing deburring/rounding machine machine with contact rollers and a rotating brush unit Max. Working width 1350 mm Sanding belt dimensions WxL 1350x1900 mm Outer brush diameter 530x350 mm Table opening 0.8-100 mm Min. part size 50x50 mm Brush speed 6-17 m/sec. Sanding belt speed 11 m/sec Feed speed 0.2-8 mm Power consumption W 1 unit - 11.0 kW RB unit 1.5 kW Brushes 4x1.5 kW Connection: 400 V 50 Hz Compressed air required 6 bar Total consumption 25 ltr/min. incl. ceramic brush set R plus 350x530 mm and zirconium brush set grain 180 Machine has been completely overhauled New transport mat installed Area of application: Sanding belt rolling unit W: Pre-deburring with sanding belt or Scotch- Gbedpfx Asudb R Ieatot Bride belt Removal of raised burrs Apply a sanding finish or brush finish, Repair a sanding finish or brush finish RB unit: Deburring and rounding of flat and profiled and profiled parts Weight: 6200 kg

Condition: used, Year of construction: 2012, operating hours: 8,600 h, functionality: fully functional, sheet thickness steel (max.): 20 mm, sheet thickness aluminum (max.): 10 mm, sheet thickness copper (max.): 5 mm, For sale: Combined sheet metal and tube laser cutter BLM ADIGE-SYS LT COMBO. Gbodpfoyaavdox Aatjt This machine is designed for both sheet, tube, and profile cutting in a single system – an ideal solution for versatile and flexible production. The machine is connected and fully operational; it can be inspected and observed working in real time. Single owner. Full service history available, the machine has been regularly maintained with annual servicing. Manufacturer: BLM Group Model: ADIGE-SYS LT COMBO Year of manufacture: 2012 Technology: Fiber laser Source: 3 kW LT Combo Tube and profile cutting diameter: 16 – 225 mm Tube input length: 6.1 m; output length: 6.1 m Cuts to zero – leaves no remnants Sheet table: 1500 x 3000 mm Cutting capacity: ALU 10 mm; Stainless Steel 12 mm; Brass 5 mm; Steel 20 mm Laser cutting hours: 8,600 h (as of 2026-02-27) Total machine hours: 72,000 h (as of 2026-02-27) Other: spare laser cutting head included If you have any further questions, we would be happy to assist you.

Year of construction: 2008, operating hours: 3,575 h, condition: ready for operation (used), General Data Measurements height 1300 mm Gbodpfx Aaox Sz D Istot This OMSG CAPRI 9/13 M was manufactured in 2008. It features a working area with dimensions of 900 mm by 1300 mm and a suspension load capacity of up to 2 x 500 kg. Equipped with 2 x 5.5 kW turbines, replaceable blasting area armor, and a screw-driven blasting material collection system. It also includes an elevator, grain cleaning system, and a control cabinet-operated suspension movement. Contact us for more information about this machine. Application Types Other Sheet Metal Machinery

Condition: ready for operation (used), Year of construction: 2009, functionality: fully functional, machine/vehicle number: 2316-01, working width: 600 mm, Type 41 Series 600 WRD Gbedpfx Ajr Nbpbeatot Working width 600 mm Ideal machine for deburring and finishing of metal products Equipped with grinding belt and disc/brush aggregate

Condition: refurbished (used), Year of construction: 2016, operating hours: 18,000 h, DG Tech – Authorized BLM Group Inspection Center DG Tech was created as a spin-off of DGService to specifically address the market for used BLM Group machines. Thanks to our experience in after-sales service and continuous technical training, we offer a comprehensive and reliable service. We handle the evaluation, purchase, and refurbishment of machines, including laser source maintenance, ensuring high quality standards. We directly manage logistics, disassembly, and transportation, eliminating the risks associated with private sales. Gbsdpfx Aajzhw Eqotet In partnership with BLM Group, we provide dedicated software, technical training, and post-sales support. We also offer flexible operating lease solutions to optimize investment and productivity. LC5 laser cutting machine, combined tube and sheet metal processing Materials processed: mild steel, stainless steel, aluminum alloys, copper, brass. Round tube: min 12 mm, max 120 mm – Square tube: min 12x12, max 100x100 mm – Rectangular tube: min 10x12, max 120x70 mm Maximum bar weight: 13.5 kg/m Sheet metal processing limits: 3000×1500 mm Configuration: Automatic Tube Loading System (Rear) 6500 – Unloading 4500 max

Condition: new, neu ca. 12 - 14 Wochen ab Auf Italien 74000 € 1398.6 € 1350 mm 0,5 - 170 mm 1370 x 2200 mm 4000 m³/h 200 mm 6 bar 78 (+/-2) dB 1750 mm 2100 mm 2180 mm 2000 kg WITH 2 WORKING STATIONS: 1 X GRINDING BELT UND 1 X BRUSH UNIT ON TOP Machine made of stress-free welded steel construction for stable and rigid structure. Work table with motorised height adjustment via 4 synchronised spindles. Independent drive motors for each work group. Bonnets for extraction inside the machine, one per station. Touch screen for -Automatic star-delta connection of the main motors - Analogue ammeter for each group - Digital display for sheet thickness with decimal point tolerance - Material thickness adjustment (+/- 0.1 mm) - Machine condition monitoring with alarm messages FEEDING SYSTEM Robust steel structure, wear-resistant surface. Vacuum conveyor belt on request Variable feed speed via frequency converter 0.6 to 6.5 m/min. Rubber conveyor belt, oil and temperature resistant Automatic conveyor belt centring Lateral guides to prevent the belt from lifting off. Rubber pressure rollers in front and behind each station, oil and temperature resistant Idle rollers at the front and rear table 1 . WORKING GROUP - R Balanced contact roller Anti-oil and anti-heat Nitrile rubber coating Adjustable via eccentric shaft for working position and compensation of abrasive belt wear Pneumatic cylinder for automatic feed to working position and for lifting in case of emergency stop. Abrasive belts and/or Scotch Brite can be used. Motorised adjustment and electronic control of contact roll height. Variable speed motor with automatic brake in case of emergency. Pneumatic tensioning system for the abrasive belt. Sanding belt centring system, with electronic photocell. Oscillation adjustment in width and time. Diameter of contact roller mm 180 Hardness of the rubber wheels Shore 55 Stroke of the contact roller adjustment up-down "Grain adjustment mm 8 Positioning accuracy of the contact roller adjustment mm +/- 0,02 Positioning speed of the contact roller adjustment m/s 10 Grinding belt speed m/s 3-18 Motor power kW 7,5 2. WORKING GROUP - X 2 rows of vertical brushes, 10rotating clockwise and 10counterclockwise. Transverse movement of the entire group (oscillating) Quick change holder for brushes Brush diameter mm 115 Number of brushes No 20 Oscillation stroke mm 15 Rotation motor power kW 5,5 Revs 1/min 300 - 1000 Oscillation motor power kW 0,37 Grinding brush speed m/s 10,0 ACCESSORIES: B Group - External barrel brush Ø 150 mm with Scotch Brite Brush € 5.580,00 with Wire Brush 0,3 mm € 5.900,00 R GROUP - GRINDING BELT Motor 15 kW € 1.060,00 OPTIONS: Return to Sender System (Grinding part is discharged to the front again) € 1.290,00 Conveyor belt with vacuum system - 3,0 kW - 300 mm wide € 4.780,00 2 additional PVC coated rollers on infeed and outfeed side € 2.040,00 Tampico Brush System for parts cleaning 0,55kW Ø 150 mm € 4.510,00 Tampico Brush system for conveyor belt cleaning Ø 150 mm € 4.030,00 magnetic conveying system - 2 groups, 200 x 200 mm € Gbedoynmwkspfx Aatot 13.520,00 Demagnetiser € 4.940,00 THE MACHINE MUST BE USED WITH AN EXTRACTION DEVICE. WE RECOMMEND AN EXTRACTION SYSTEM WITH 4,000 M³/H.

Condition: new, neu ca. 12 Wochen ab Auftrags Italien 153200 € 2895.48 € 1350 mm 0,4 - 120 mm 1370 x 2200 mm 6000 m³/h 150 mm 6 bar 4200 mm 2300 mm 2350 mm 4200 kg WITH 2 WORKING STATIONS: 1 X GRINDING BELT UND 1 X BRUSH UNIT ON TOP * Machine made of stress-free welded steel construction for stable and rigid structure * Work table with motorised height adjustment via 4 synchronised spindles. * Independent drive motors for each work group. * Hoods for extraction inside the machine, one per station. Touch screen for: * Automatic star-delta connection of the main motors * Digital display for sheet thickness with decimal point tolerance * Material thickness adjustment (+/- 0.1 mm) * Machine condition monitoring with alarm messages FEEDING SYSTEM * Robust steel structure, wear-resistant surface. * Vacuum conveyor belt on request * The table raises and lowers from 780 mm to a maximum height of 950 mm above the floor. The power of the motor for height adjustment of the table is 0.25 kW. * Maximum permissible weight on the table: 140 kg. * Variable feed speed via frequency converter 0,4 to 4,5 m/min, Option 0,2 to 2,0 m/min or 0,6 bis 6,0 m/min. * Rubber conveyor belt, oil and temperature resistant. * Lateral guides to prevent the belt from lifting off. * Rubber pressure rollers in front and behind each station, oil and temperature resistant. * Automatic centring device for the conveyor belt * Automatic servo cooled motor * Speed motor on the main touch screen 1 TH R GROUP DEBURRING WITH ABRASIVE BELT * Rectified and balanced contact roller with 180 mm diameter. Coating of oil and heat resistant nitrile rubber. Standard roller hardness 55° shores. Mounted on an eccentric shaft that allows to control the working position and compensate the abrasive belt wear, with a range of 8 mm. This system is controlled by a pneumatic cylinder that allows the automatic insertion of the group into the work and, in case of emergency and/or machine stop, the immediate removal of the sanding belt from the working point. It is possible to insert sanding belts and/or Scotch Brite. * Pneumatic on-off switch. * Roller adjustment up-down "grain" stroke 10 mm * Variable speed motor 11 kW with automatic braking in case of emergency. * Rotation speed in feed direction 4 - 18 m/s. * Width and duration of the oscillation setting. * Pneumatic tensioning system for the abrasive belt. * Sanding belt centring system, with electronic photocell, Oscillation adjustment in width and time. Gbodpfx Aaeynmw Rotjt 2ND GROUP ROTATING BRUSH UNIT * 2 rows of vertical brushes, 4 rotating clockwise and 4 counterclockwise. * Each brush has a diameter of 350 mm and a length of 530 mm. * Motorised raising and lowering of the group to regulate the pressure of the deburring. * Variable speed motor 1,5 kW. * Variable speed group electronic inverter 6 - 12 U/min. * Brush motor with variable speed, power 6 kW (4 x 1,5 kW). From 300 to 900 U/min. * Speed programmable control and display on the electronic touch screen. CONTROL OF THE THICKNESS AND THE BRUSHES * Motorised table lifting with fine adjustment via 4 precision screws with ball bearings * Maximum operating pressure 120 mm * Pressure motor power kW 0,75 * Pressure adjustment via touchscreen CONVEYOR BELT CLEANING Brush system in nylon canvas for cleaning the conveyor belt (length 1350, Ø =150 mm), located at the back of the machine under th...

Condition: used, Year of construction: 2016, Operating hours of the machine: 1271 h Maximum feed width: 600 mm Processable sheet thickness: 1-120 mm Working height, constant: 850 mm Voltage: 400 V (50 Hz) / 480 V (60 Hz) Rated current: 30 A Rated power: 17 kW Protection class: IP 42 Feed rate, continuously adjustable: 1-4 m/min Depth: 1930 mm Gbsdpozg U Slofx Aatst Width: 1600 mm Height: 1550 mm Machine weight, approx.: 2200 kg With the Pluto, you are opting for a compact machine for deburring parts cut with oxy-fuel and plasma processes. Features: - Tolerance and distortion compensation up to 6 mm - Durable steel wire brushes for edge finishing - Magnetic clamping system across the entire working width - Heat-resistant conveyor belt made of chrome leather - Incl. extraction system

Condition: refurbished (used), Year of construction: 2020, operating hours: 3,064 h, DG Tech – BLM Group Authorized Inspection Center DG Tech was created as a spin-off of DGService to specifically address the market for used BLM Group machines. Leveraging the experience gained in after-sales service and through ongoing technical training, we offer a comprehensive and reliable service. We manage the evaluation, purchase, and refurbishment of machines, including laser source maintenance, ensuring high-quality standards. We handle logistics, dismantling, and transportation directly, eliminating the risks associated with private sales. In partnership with BLM Group, we provide dedicated software, technical training, and post-sale support. We also offer flexible operating lease solutions to optimize investment and productivity. LC5 laser cutting machine, for both tube and sheet metal processing. Materials processed: mild steel, stainless steel, aluminum alloys, copper, brass. Automatic transverse sheet metal pallet changer – sheet metal format 3000x1500. Accessories – Active Weld: optical device for locating weld seams on round, square, rectangular, and flat oval tubes – Optional delicate tube loader – Motorized front tube collection table – maximum length 4500 mm – 2D cutting head with: Active Focus – automatic focus adjustment, Active Beam – automatic laser beam diameter adjustment – sensors for automatic control of the protective glass temperature – fiber booster – automatic nozzle changer with 18 positions – Fly Cut software. Gbsdpfey Ddqnex Aatst

Condition: new, For sale is our Trumpf remaining grid pallet. Dimensions: Suitable for sheet metal with dimensions of 2500 mm x 1250 mm. The pallet is new and unused, but it was stored outdoors and therefore has some surface rust, which will disappear after several uses. Gbjdszd Sfwopfx Aatot Also suitable for transporting wood – firewood. The pallet is lifted with a forklift and emptied via a tilting mechanism. Collection only.

Condition: excellent (used), Year of construction: 2007, functionality: fully functional, Euro Fintec 410 is a deburring machine which has a 1 inch belt. The belt assembly can be easily adjusted to accommodate complex deburring operations. It comes complete with a dust collection bag to ensure safe operation It is in excellent condition and comes complete with a number of deburring belts. Gbsdpfx Aaozmafqstot

Condition: used, Year of construction: 2022, 2 x 400 mm magnetic track, EMZR (presumably an abbreviation, context needed for accurate translation), Tool wear compensation EE Gsdszd Nwdjpfx Aatobt

Condition: excellent (used), functionality: fully functional, Year of construction: 1996, working width: 6,000 mm, sheet thickness aluminum (max.): 4 mm, sheet thickness steel (max.): 3 mm, Equipment: documentation/manual, The face design of the segmental machine structure and the swing-mounted bending beam on the kinematic mechanism enable the bending of various complex shapes from steel and aluminum sheet with a maximum bending angle of 145 degrees and a maximum upper beam stroke of 200 mm. Gbjdpoxflfmsfx Aatot The machine is controlled by a three-axis programmable controller, allowing operation in three modes: Manual, single – includes one program consisting of a single bending stage and one backgauge setting, which can be repeated any number of times. The program comprises 60 programmable blocks, each containing 10 bends and backgauge positions. The machine can bend steel sheet up to 3 mm thick and aluminum up to 4 mm. The hydraulic oil has been replaced and the entire control system has been renewed.

Condition: ready for operation (used), Year of construction: 2005, functionality: fully functional, working width: 950 mm, sheet thickness (max.): 120 mm, working height: 120 mm, control type: CNC control, Equipment: CE marking, TECHNICAL DETAILS Station 1: Sanding belt Station 2: Rotary brush Station 3: Rotary brush Min. sheet thickness: 0.5 mm Max. sheet thickness: 120 mm Gbjdpey Hhp Tofx Aatot Working width: 950 mm Working height: 0.5-120 mm MACHINE DETAILS Power: 39 kW Control: CNC Number of stations: 3 Dimensions & Weight Dimensions (L x W x H): 3,940 x 1,980 x 2,010 mm Net weight: 7,000 kg Transport packages: 4 EQUIPMENT CE marking

Condition: good (used), Year of construction: 1999, operating hours: 45,000 h, functionality: fully functional, type of input current: three-phase, FOR SALE: Finn-Power A5-20 SB Turret Punch Press Available for purchase is a reliable and high-performing Finn-Power A5-20 SB hydraulic turret punch press. Manufactured by Lillbacka Pressco Oy in Finland, this machine is a staple in the sheet metal industry, known for its durability and precise engineering. Technical Specifications: Machine Type: Finn-Power A5-20 SB Manufacturer: Lillbacka Pressco Oy, Vilppula, Finland Manufacturing Year: 1999 Punching Force: 230 kN Max. Working Pressure: 300 bar Machine Weight: 12,000 kg Key Features: CE Certified: Meets all European safety and quality standards. SB (Small Batch) Efficiency: Optimized for flexibility and quick changeovers, ideal for diverse production needs. Robust Construction: A 12-ton frame ensures stability and accuracy during industrial operations. Proven Technology: Built under several international patents (e.g., US-4,658,682 and FI-68545) ensuring technical excellence and reliability. Gedpjy Iwu Ijfx Aatjbt

Condition: good (used), Year of construction: 2005, working width: 1,000 mm, Deburring machine Fab. LISSMAC Typ. SBM-B 1000 Year 2005 Technical data Make: LISSMAC Type: SBM-B 1000 Year of construction: 2005 Passage width: 1000 mm Sheet thickness: max. 20 mm Sheet size min. length: 150 mm Sheet size min. width: 100 mm Speed: 1400 rpm Brush motor power: 4 x 7.5 kW Dimensions: approx. L 2.20 x W 1.50 x H 1.50 m Weight: approx. 1.5 t Equipment - Automatic material feed-through - Infinitely variable feed rate 0-10 m/min - Sheet thickness adjustment: Hand crank with worm gear and scale, infinitely variable - Brush depth adjustment: Hand crank with worm gear and scale, infinitely variable - Various accessories - Operating instructions All information without guarantee. Godjvgb Hgopfx Aatjbt A demonstration is possible at any time in our showroom.

Condition: used, Pneumatic edge folding machine FASTI Type 606 - 11 - 1.0 Folding machine for pre-bending sheet metal edges For creating an edge fold Edge folding machine for thin sheet metal, as an alternative to a bending press Manufacturer's No. 9166002, Year of manufacture 1991 Working length: 1100 mm Gbodjdzqblepfx Aatjt Material thickness at 45 kg/mm²: 1 mm Compressed air requirement: 6 bar - pneumatic foot switch - roller adjustment via threaded clamping screws Space requirement L x W x H: 1600 x 300 x 1050 mm Weight: approx. 250 kg Good condition The edge fold is the doubling of the sheet metal in the edge area, i.e., folded over once to increase the stiffness of the sheet metal. The fold creates a rounded edge, which reduces the risk of injury from cuts on the sharp sheet metal edge. Ideal for sheet metal processing of sheet metal furniture, cladding sheets, or for the construction of ventilation and soundproofing systems.