ASTM D6769-02

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Designation: D6769 – 02
Standard Guide for
Application of Fully Adhered, Cold-Applied, Prefabricated
Reinforced Modified Bituminous Membrane Waterproofing
Systems
This standard is issued under the fixed designation D6769; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 lift, n—the height or length of sheet that may be
comfortably handled by the person applying the sheet to a
1.1 Thisguidelistsapplicationandinstallationrequirements
vertical surface. This is normally the height of this person, or
for fully adhered, cold-applied, prefabricated modified bitumi-
1.5 to 2.1 m (5 to 7 ft).
nous membrane waterproofing systems for below-grade or
3.1.2 skin over, n—a condition in which the surface of the
below-wearing-surface (such as plaza decks) vertical or hori-
material is no longer tacky, but will move under slight finger
zontal applications.
pressure.
1.2 For the purposes of this application guide, the substrate
3.1.3 tack, n—a condition in which if the surface is touched,
is assumed to be structurally sound, sloped to drain (if new
there will be a string of material attached to the finger.
construction), and meeting the local building code require-
3.2 For definitions of other terms relating to waterproofing,
ments. Similarly, the system components are assumed to
see Terminology D1079.
comply with all federal, state, and local requirements in effect
at the time of installation.
4. Significance and Use
1.3 The values in SI units are to be regarded as standard.
4.1 This guide outlines general procedures for the storage
The values in parentheses are for information only.
and application of various prefabricated sheets made using
1.4 This guide may involve hazardous materials, operations,
modified bituminous materials and intended for use as below-
and equipment. This standard does not purport to address all
grade and below-wearing-surface waterproofing.
of the safety concerns, if any, associated with its use. It is the
4.2 The substrate used for applications described in this
responsibility of the user of this standard to establish appro-
guide shall be concrete or masonry.
priate safety and health practices and determine the applica-
4.3 This application consists of a prefabricated reinforced
bility of regulatory requirements prior to use.
modified bituminous sheet applied to a suitable substrate using
2. Referenced Documents a bituminous-based, cold-applied adhesive or mastic. Applica-
tion rates given are typical for such installations.
2.1 ASTM Standards:
4.4 This guide is intended to supplement instructions from
D1079 Terminology Relating to Roofing and Waterproofing
designers and manufacturers.
D5295 Guide for Preparation of Concrete Surfaces for
Adhered (Bonded) Membrane Waterproofing Systems
5. Delivery of Materials
D5898 Guide for Details for Adhered Sheet Waterproofing
5.1 Deliver materials in supplier’s original containers and
D5957 Guide for Flood Testing Horizontal Waterproofing
packaging.
Installations
6. Storage and Handling
3. Terminology
6.1 Store adhesive or mastic in tightly closed original
3.1 Definitions:
containers under the conditions recommended by the manufac-
turer.
This guide is under the jurisdiction of ASTM Committee D08 on Roofing,
6.2 Store the modified bituminous sheet in the manufactur-
Waterproofing, and Bituminous Materials and is the direct responsibility of
er’s original packaging in the manner specified by the manu-
Subcommittee D08.22 on Waterproofing and Damproofing Systems.
facturer. Storage on wood pallets and stacking usually no more
Current edition approved Feb. 10, 2002. Published April 2002. DOI: 10.1520/
D6769-02. than five rolls high is recommended. Protect against exposure
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
to direct sunlight, precipitation, dust, and other such contami-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
nants. If inside storage is not available, tarp only with canvas
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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D6769 – 02
tarpaulins; do not use polyethylene or other nonbreathing films 11.2.3 The details used shall be as presented in Guide
to cover the packages. D5898, unless otherwise specified by the manufacturer or
designer.
7. Safety Precautions
11.2.4 All laps are to be inspected and sealed with adhesive
2 2
7.1 Store flammable materials in a manner that will not pose
at the rate of 0.2 to 0.3 L/m (0.5 to 0.75 gal/100 ft ).
a fire hazard. Solvent-bearing adhesives may be flammable. Do
11.3 For horizontal surfaces, the membrane sheet is applied
not use flammable materials near an open flame or equipment
over the completed details on a surface previously coated with
that may produce sparks.
adhesive applied at the rate of 0.5 to 0.6 L/m (1.25 to 1.5
gal/100 ft ). Although one ply does cover, the use of a second
8. Environmental Conditions at Time of Application
ply is suggested for better protection; this would be applied
8.1 Environmental conditions under which installation may
over a similar application of adhesive.
proceed shall be as recommended by the manufacturer of the
11.3.1 Apply all sheets from the low point to the high point
adhesive and the sheet. Acceptable weather conditions would
so that the laps shed water.
be dry enough to allow the mastic to adhere to the substrate,
11.3.2 Lap all edge seams a minimum of 100 mm (4 in.) 6
without excessive wind conditions and with surface tempera-
25 mm (1 in.). Stagger all end laps a minimum of 300 mm (12
turesofthesubstrateat4°C(40°F)oraboveandrising.Contact
in.). Continue the sheets 75 to 100 mm (3 to 4 in.) up any
the manufacturer for recommendations whenever weather
vertical edges already flashed with the system. Place sheets
conditions raise questions.
with special attention so that total contact with the substrate is
maintained, that is, no bridging is allowed.
9. Materials
11.3.3 If this is a single-ply application, uniformly top coat
9.1 The waterproofing sheet shall be made using a fabric of
theappliedmembranewiththeadhesiveattherateof0.6to0.7
open weave glass and polyester, or both, which in turn is
2 2
L/m (1.5 to 1.75 gal/100 ft ) as a finish coat.
encapsulated in a chloroprene- and butyl-rubber-modified as-
11.3.4 Ifthisisamultiple-plyapplication,coatthetopofthe
phalt that also contains fillers, slow-curing agents, and ultra-
first ply with adhesive at the rate of 0.3 to 0.4 L/m (0.75 to 1.0
violet inhibitors.
gal/100 ft ).Allow to dry to tack. Smoothly embed the second
9.2 The adhesive or mastic shall be made using an asphalt
ply
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