Duro-Last Geotextile Slip Sheet User Manual

DURO-LAST® GEOTEXTILE SLIP SHEET

Description:

Geotextile s lip sheet p rovides a ligh tweight and cost-effective separation when overlaying an existing roof system or an incompatible insulation product such as p olystyrene. The roll size is 15 x 360 ft (4.5 x 109.7 m). The slip sheet is made

from 100% polypropylene fibers that are needle-punched to form a dimension ally stable fabric. This slip sheet

used over gravel-surfaced or ballasted roofs. The Geotextile slip sheet may be used over:

• Smooth or granular surfaced built-up roofs

• Modified bitumen

• Coal tar pitch

• Single-ply membranes such as PVC, CSPE (Hypalon),

etc.

• Smooth sprayed urethane foam

• Acrylic and aluminum coatings

• Polystyrene insulations

• Shingles

Refer to the “Getting Started” section of the Duro-Last Specification Manual for addition al information on substrate separation.

Material Safety Data Sheet:

Item Type: DalTex Nonwoven Polypropylene Fabric

Installation:

1. The slip s heet must be installed on a clean and smooth

surface, smooth side up.

2. Individual pieces must be overlapped 3 inches.

3. The slip sheet must be attached with Duro-Last

approved fasteners, and 3 inch (76 mm) metal plates.

4. Place fasteners in each corner and along the overlap a

maximum of 15 ft. (4.5 m) o.c.

5. Install a minimum of one fastener for curb or wall

sections less than 4 ft. (1.2 m) in length and a minimum of two fasteners for sections between 4 ft. (1.2 m) and 15 ft. (4.5 m) in length.

6. When installing the slip sheet along the top of parapet

walls, more fasteners may be necessary.

cannot be

DATA SHEET

GENERAL INFORMATION

Packaged

Length 360 ft. (109.7 m)

Width

Coverage

with 3 in. (7.5 cm) overlap

Color

Roll Weigh t 160 lb. (72.5 kg)

Weight per Area

Thickness

Roll

15 ft. (4.5 m)

5,310 ft²

(493.3 m²)

Black

0.03 lb./ ft²

(0.15 kg/m²)

45 mil

(1.14 mm)

Note:

• The rolls should be stored elevated and covered to keep

them dry. Use tarps, if necessary, to protect from rain.

• Only install as much slip sheet as can be covered by the

roof membrane by the end of the day or onset of inclement weather.

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2009