Lite Frames


MasterGrain lite frames are produced in fiberglass providing a perfect match to our doors. They provide unsurpassed strength and durability compared to any competitive products. They will not warp or twist under high temperature variations.


MasterGrain Plug Frame System

Traditional screw system with matched fiberglass grained plug caps provide excellent glass retention.

MasterGrain Plug Frame System




MasterGrain Plugless Frame System

Internal clipping system provides secure glass retention without plugs! Slam and severe weather tested!

MasterGrain Plugless Frame System




Cross Section of Fiberglass Door Lite Frame

MasterGrain frames and simulated divided lites are also produced in fiberglass providing a perfect match to our doors. They provide unsurpassed strength and durability compared to any competitive products. They will not warp or twist under high temperature variations.

Traditional 2 Panel Cherry with Full Sidelites

Why MasterGrain Fiberglass Frames?

  • • Perfect grain match to all MasterGrain door components
  • • Equal expansion and contraction to fiberglass doors during extreme temperature fluctuations.
  • • Fiberglass frames are more rigid than competitive plastic frames. This ensures a tight weather seal to the door.
  • • Fiberglass will not warp or twist under extreme temperatures. The frames accept an extruded dry seal eliminating the need for messy caulking