TREMDrain™ NW Waterproofing Drainage Mat

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TREMDrain™ NW

Multi-Composite Drainage and Protection Board

TREMDrain™ NW

Multi-Composite Drainage and Protection Board

TREMDrain™ NW is a two-layer drainage mat consisting of a polystyrene core and non-woven, needle-punched polypropylene fabric. TREMDrain NW provides an economical solution for single-sided subsurface drainage applications requiring a typical non-woven filter fabric bonded to a lower compressive strength and moderate flow capacity formed core.

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Benefits of Using TREMDrain NW in Your Next Project

Fully Compatible

Designed for use with TREMproof® waterproofing and Paraseal® membranes

Streamlined Installations

Replaces or eliminates the need for a separate protection course

Improved Water Flow

Provides an uninterrupted flow plane and eliminate the opportunity for hydrostatic pressure to form against a wall

Lightweight for Easy Installations

Lighter weight means easier installations compared to conventional pipe and stone drainage

TREMDrain NW Is Best For

Vertical walls less than 20 ft (6.1 m)

Product Properties

ASTM D1621: Compressive Strength	11,000 lb/ft² (527 kPa)
ASTM D1777: Thickness	¼ in (6.35 mm)
ASTM D4716: In-Plane Flow Rate	12.5 gpm/ft (155 Lpm/M)
Roll Length	50 ft (15.24 M)
Roll Width	4 ft (1.22 M)

TREMDrain NW Resources

Download any of these featured resources or find a specific type of document below.

TREMdrain NW Data Sheet

TREMDrain Series Drainage Application Instructions

Waterproofing and Drainage Product Selector Guide

TREMdrain Certification Letter

Comparing TREMDrain NW

	TREMDrain™ NW	TREMDrain™ 1000NW	TREMDrain™ 6000 NW	TREMDrain™ QSP
ASTM D1621: Compressive Strength	11,000 lb/ft² (527 kPa)	15,000 lb/ft² (718 kPa)	15,000 lb/ft² (718 kPa)	10,800 lb/ft² (527 kN/M²)
ASTM D1777: Thickness	¼ in (6.35 mm)	7⁄1₆” (11 mm)	0.4 in (10.16 mm)	1/4 in (6.35 mm)
ASTM D4716: In-Plane Flow Rate	12.5 gpm/ft (155 Lpm/M)	18 gpm/ft (224 Lpm/M)	18 gpm/ft (224 Lpm/M)	18 gpm/ft (224 Lpm/M)
Roll Length	50 ft (15.24 M)	50 ft (15.24 M)	50 ft (15.24 M)	4 ft (1.22 M)
Roll Width	4 ft (1.22 M)	4 ft (1.22 M)	6 ft (1.8 M)	4 ft (1.22 M)