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Semco 550 Pneumatic Air Sealant Gun 1/10 Gallon

Semco 550 Pneumatic Air Sealant Gun 1/10 Gallon
£620.93 excl VAT
£745.12 inc VAT
No stock - lead time 38 days
The Semco 550 sealant gun is designed for the pneumatic application of sealant, caulking, adhesive, and other compounds packaged in Semco 1/10 gallon, 20, and 32 oz. cartridges. Parts are available to convert the gun from one size to another. Air hoses to operate the gun must be ordered separately.
Bulk discounts
£620.93 + VAT
£589.88 + VAT
£574.36 + VAT
£558.84 + VAT

These lightweight guns are constructed of cast aluminium and other durable materials. The 1/10 gallon cartridge retainer is secured to the gun via a springloaded quick-disconnect using the bayonet locking feature on the retainer. The 20 and 32 oz. retainers can be quickly and easily attached to the gun using a thread bezel.


  • Reduces applied material cost.
  • Provides accurate material control.
  • Lightweight.
  • 0-100 psi (0-6.9 bar) operating range.
  • Available in 20, 30 oz. and 1/10 gallon sizes.
  • Bayonet lock on retainers permits quick cartridge change.
  • Durable, shock resistant parts.
  • Touch control on trigger regulates flow.
  • Positive control for smooth even dispensing.
  • Ergonomic design.
  • Quiet operation.

Orders over £50 placed online will now qualify for FREE UK Mainland delivery*

Orders under £50 placed online for UK Mainland delivery is £6.95*

Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £19.50** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.
Please refer to our delivery page for more information.

Sil-Mid Limited DO NOT GUARANTEE that the information on this page is the most up to date information available from the manufacturer, there are times when updated information is released and we are not made aware immediately.