4X300 ROLL SCRIM LINER 4.5MM

4X300 ROLL SCRIM LINER 4.5MM is most commonly a:

Drainage Fabric - Heavy Duty - 4' x 300' - 4.5 oz

(Note: supplier shorthand often writes “4.5MM,” but in trenchless/CIPP contexts this usually refers to 4.5 mm liner thickness, not millimeters of roll width.)

Product description:

• Type: Scrim-reinforced CIPP pipe lining tube / trenchless sewer liner
• Size: 4" diameter × 300' roll
• Thickness: 4.5 mm wall
• Construction: Needle-punched polyester felt with integrated scrim reinforcement
• Coating: Typically PU or PVC coated, depending on manufacturer

What it’s used for:

• Cured-In-Place Pipe (CIPP) lateral sewer rehabilitation
• Inverted into damaged pipe and saturated with resin
• Used for trenchless pipe repair without excavation

Key features:

• Scrim reinforcement limits longitudinal stretch during inversion
• Designed for straight runs / gentle bends
• Compatible with ambient, hot water, steam, or UV cure systems depending on resin/system
• Common stock lengths are roughly 300–330 ft rolls