HMT handgun window seal application

Insulated Glass Hot Melt Sealant Systems

Hot Melt Butyls, Sealants and Mastics

  • Manufacturing insulated glass (IG)
  • Fabricating door lites and solar panels
  • Sealing metal roof seams
  • Other operations requiring high-viscosity butyls, sealants, and mastics

Offered in three models with varying capacities, select the bulk hot melt applicator that best meets your needs.

Benchmark 215-HVR-B

Low Production I.G. applications
Holds 15 lb. of hot melt sealant
Ideal for 30 – 50 I.G. units per day

Benchmark 615

Holds 20 lbs. of hot melt sealant
Gunning rate of 1lb. per minute
Ideal for 50 – 100 I.G. units per day

Benchmark 650

Holds 50 lbs. of hot melt sealant
Gunning rate of 2 lb. per minute
Ideal for 200 – 300 I.G. units per day


High output DG-400 Handgun with HMT's exclusive 360-Plus® ball swivel weighs less than 1 ½ lb


A large selection of steel and brass nozzles is available for almost every I.G. application


High Performance Heated Hoses designed for years of trouble free service

940-015 Benchmark Flow Control

Steel Gear Pumps

Hardened steel Gear Pump with adjustable Accu-Flow control for smooth, bubble free lay down


Melt Tanks

TFE Coated Melt Tanks designed for easy loading of chunked butyl


Butyls, Sealants and Mastics

Benchmark Hot Melt Adhesives and Sealants affordably priced and stocked for immediate delivery

COVID-19 Response and Information

Hot Melt Technologies is committed to the health and safety of our customers, employees, suppliers, and community. We are taking all the necessary precautions to ensure worker and product safety by following CDC and local community guidelines. Our manufacturing and distribution facility in Michigan, which supplies adhesives, dispensing equipment, and services, remains open.