Advantages of GFRC

The avantages of GFRC Shelters are:

Low maintenance exterior. No maintenance for structural integrity. Low maintenance for like new appearance.
Structural materials are all non-flammable. Non-flammable finish materials are available.
Additional openings can be placed in floor, roof or walls after construction.
Can cut holes in walls anywhere within 2" of inside corners.
Normal building includes 3/4" plywood mounted to steel structural tubing.
Heavy accessories can be mounted directly to 3/4" plywood.
Unistrut inside the building can be hung from structural steel members.
Fiberglass batts in wall provide thermal and noise insulation.
Can be picked up and moved as many times as desired, with or without installed equipment.
Skid can be added for difficult access or special situation.
Easy to modify if expansion is necessary.

Construction Material Comparison
	GFRC	Fiberglass	Steel	All Concrete	Cinder Block
Floor	Concrete.	Wood and skid.	Steel and skid.	Concrete.	Concrete poured in place.
Roof	Concrete.	Wood and fiberglass.	Steel.	Concrete.	Steel/ concrete poured in place.
Walls	Steel frame with GFRC panels.	Wood and fiberglass.	Steel.	Concrete.	Cinder block.

Shelter Comparisons
	GFRC	Fiberglass	Steel	Cinder Block
Flammability	Non flammable structural materials.	Flammable structural materials. Generally wood.	Non flammable structural materials.	Non flammable structural materials.
Maintenance	Very low maintenance.	Higher maintenance.	High maintenance.	Low maintenance.
Life	Long life expectancy.	Lower life expectancy. UV light sensitive	Lower life expectancy.	Long life expectancy.
Strength	Solid construction.	Construction not as solid. Movement across floor or roof often sensed by equipment.	Construction not as solid.	Solid construction.
Changes	Easy to make changes in openings after construction.	Difficult to make changes in wall, roof, or floor openings after construction.	Relatively easy to make changes.	Difficult to make changes after construction.
Equipment Mounting- Interior	Unistrut inside.Attach to 3/4"plywood or 2"x3"tubular steel.	Unistrut inside.Attach to 1/2"plywood or wood 2"x4"	Attach to steel channel.	Attach with concrete anchors.
Equipment Mounting- Exterior	Unistrut outside. Concrete anchors anywhere.	Unistrut outside. 1/2" plywood and wood 2" X 4".	Attach to steel channel.	Attach with concrete anchors.
Relocate	Skid not necessary, but can be added for special circumstances.	Skid is necessary.	Skid is necessary.	Cannot be picked up and moved after construction.
Cost	Low.	Low.	Medium.	High.
	$100 - $200/sq.ft.			Expensive to construct, finish out and install equipment in remote or high risk areas.

*GFRC Shelters*
		*The avantages of GFRC Shelters are:* Low maintenance exterior. No maintenance for structural integrity. Low maintenance for like new appearance. Structural materials are all non-flammable. Non-flammable finish materials are available. Additional openings can be placed in floor, roof or walls after construction. Can cut holes in walls anywhere within 2" of inside corners. Normal building includes 3/4" plywood mounted to steel structural tubing. Heavy accessories can be mounted directly to 3/4" plywood. Unistrut inside the building can be hung from structural steel members. Fiberglass batts in wall provide thermal and noise insulation. Can be picked up and moved as many times as desired, with or without installed equipment. Skid can be added for difficult access or special situation. Easy to modify if expansion is necessary.



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