Door springs

Door springs

For a door manufacturer it is a logistical challenge to have the right torsion- or extension spring available for the right door at the time of production. Alcomex offers the right solutions in terms of quality, logistics (short delivery times as we have stock) and easy spring calculation and ordering. We are the worldwide manufacturer of springs for sectional doors.


We offer torsion springs in various wire thicknesses and inner diameters, so you will always find the perfect spring for your door. Whether you have a private or industrial garage door, we have the right solution for you.

  • Standard inner diameter sizes: 50.8 / 66.68 / 95.25 / 152.4 [mm]
  • Standard wire thicknesses: 5 / 5.5 / 6 / 6.5 / 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10 / 10.5 / 11 / 11.5 / 12 [mm]
  • Spring length untensioned: Any length is possible; we will cut it to size for you.
  • From 1000mm length all springs are provided with a spring carrier Alcomex also offers you the possibility to order spring strands up to 3250mm if you want to cut the spring yourself.
  • Torsion springs can be supplied with spring heads.
  • Spring bends as from the manufacturer: Alcomex can reproduce and offer you the spring bends of all well-known market names.
  • Spring heads are available for 2 shaft sizes: 1″ and 1 ¼”.
  • All garage door springs at Alcomex are shot peened and powder coated as standard. Our torsion springs are made from high quality materials that ensure durability and reliability. They are designed to withstand heavy use and ensure years of trouble-free operation. Alcomex can also supply bright or galvanized spring steel wire on request.

Combined with our short lead times, ease of ordering and excellent customer service, this gives door manufacturers optimum flexibility in door production without the need for a large stock of different door springs.


In addition to a spring programme, fully available from stock, we have a completely patented programme for extension spring systems, customed to the European standards. View the various possibilities of our innovative extension spring system QUATTRO.

Quality, service and reliability of all our spring systems are the key issue and in order to guarantee this, all our standard door spring systems are treated in advanced shot-blasting installations, heat-treated and powder-coated as a corrosion protector. The material specifications specified by Alcomex additionally contribute to the lengthening of the lifespan and they increase the burdening capacity. If desired, supply in galvanised or phosphate model is possible.


logo alcomex