Fabric info

Big Sky fabric comparison table

	general	strength	waterproofness	durability	weight	price
generic tent fabric	nylon or polyester fabric coated one side with polyurethane (PU)	half (1/2) strength when compared to similar fabric coated BOTH sides with silicone	varies	pretty durable	varies	economical
Big Sky S40PU	nylon fabric coated one side silicone and one side PU	similar to SuprSil™ fabric	fly/outer 1500mm floor 3000mm	pretty durable	more than SuprSil™ fabric	economical
Big Sky S30PU	nylon fabric coated one side silicone and one side PU	less than SuprSil™ fabric	floor 3000mm	pretty durable	more than SuprSil™ fabric	expensive
Big Sky S15PU	nylon fabric coated one side silicone and one side PU	less than SuprSil™ UL fabric	floor 3000mm	durable	more than SuprSil™UL fabric	expensive
generic silnylon fabric	nylon fabric coated BOTH sides with silicone	higher strength to weight ratio than other tent fabrics	about 1000mm	pretty durable if not abused	46gsm to 49gsm (1.3osy to 1.45osy)	expensive
spinnacker fabric	polyester or nylon fabric coated with silicone	good strength to weight ratio	about 500 to 750mm	less durable than generic silnylon	25gsm to 34gsm (0.7osy to 1.0osy)	very expensive
SuprSil™ fabric	Big Sky's propietary nylon fabric coated BOTH sides with silicone	very high strength to weight ratio, about two (2x) times stronger than similar fabrics that use a polyurethane (PU) coating	fly/outer 1500mm	similar to generic silnylon	lighter than generic silnylon fabric	expensive
SuprSil™-UL fabric	Big Sky's propietary nylon fabric coated BOTH sides with silicone	high strength to weight ratio, about two (2x) times stronger than similar fabrics that use a polyurethane (PU) coating	fly/outer 1500mm	similar to generic silnylon, but less durable than Big Sky's SuprSil™ fabric	lighter than generic silnylon fabric, similar to "spinnacker" fabric	more expensive
Let-it-Por™ fabric	propietary fabric made for Big Sky by Cubic Technology	high strength to weight ratio	6000mm	much less durable than generic silnylon, spinnacker, or any of Big Sky's other fabrics	much lighter than generic silynylon or spinnacker fabrics	extremely expensive