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in order to promote transparency and accountability in the working of every public authority,
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Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”

IS 1322 (1993, Reaffirmed 2008): Bitumen Felts for

Water-Proofing and Damp-Proofing--Specification (Fourth
Revision). UDC 691.165 : 699.82

“!ान $ एक न' भारत का +नम-ण”

Satyanarayan Gangaram Pitroda
“Invent a New India Using Knowledge”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता ह”

है”
ह
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
 IS 1322 : 1993
(Reaffirmed 2008)

'J1T? rf) 2/ 117 rt C/5

\Jl(1X1~ 3tR ViJixix 61;:1/;) ~ ~ ~~i4~ ~Ji~I-- ~~Ifte
(rfrm g;rtterur)

Indian Standard
BITUMEN WATER-PROOFING AND
- SPECIFICATION
( Fourth Revision )
Fourth Reprint OCTOBER 2009
(Including Amendment No.1 & 2)

UDC 691.165 : 699.82

© BIS 1993
BUREAU OF INDIAN STANDARDS
MANAK BHA V AN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
December 1993 Price Group 4
Water-proofing and Damp-proofing Sectional Committee, CEO 41

FOREWORD

This Indian Standard ( Fourth Revision) was adopted by the Bureau of Indian Standards, after the
draft finalized by the Water-proofing and Damp-proofing Sectional Committee had been approved by
the Civil Engineering Division Council.
This standard was first pubi::;hed in 1959 and revised in 1965, 1970 and 1982. The fourth revislOn of
this standard is based on the experience gained during the last few years in the use of the bitumen
felts for water-proofing and damp-proofing purposes. This revisio n mainly incorporates the method of
test for determination of the binder content by Soxhlet extraction method, the revised method for
determination of water absorption of bitumen felts and increasing of the total weight of the finished
bitumen felt ( see Table 1 ) on the basis of the practical experience of using the minimum quantity of
dusting powder. The requirement of base fabrics for fibre base felts has also been changed. The weight
of saturant for fibre base felts has also been revised on the experience gained during the last few years.
The self finished felt Type 2, Grade 2 has been deleted.
In the formulation of this standard due weightage has been given to international coordination among
the standards and practices prevailing in different countries in addition to relating it to the practice in
the field in this country.
The compositivn of the Sectional Committee responsible for the formulation of this standard is given in
Annex A.
For the purpose of deciding whether a particular requirement of this standard is complied with, the
final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off
in accordance with IS 2 : 1960 'Rules for rounding off numerical values ( revised)'. The number cf
significant places retained in the rounded off value should be the same as that of the specified value in
this standard.
 AMENDMENT NO.2 FEBRUARY 2009
TO
IS 1322: 1993 BITUMEN FELTS FOR WATER-PROOFING
AND DAMP-PROOFING - SPECIFICATION
( Fourth Revision)

[Page 2, clause 6 (see also Amendment No.1)] - Substitute the following

for the existing clause:

'Unless specified otherwise, bitumen felts shall be supplied in widths of 90 cm

or 100 cm and in lengths of 10 m or 20 m. Tolerances on width shall be ±3 cm.
Length shall not be less than the specified values.'

(CED 41)
 AMENDI\1ENT NO. 1 AUGUST 1995
TO
IS 1322: 1993 BITUMEN FELTS FOR 'VATER-
PROOFING AND DAMP-PROOFING - SPECIFICATION
( Fourth Revision)

r Page 1, clause 4.3.1(3), ninth line] - Substitute '[ see IS 460 ( Part 1 ) :
1985 r for 'l see IS 460 (Pa111 ) : 1978 r·
(Page 2, Table 1 ) - Substitute '4.5' for '3.6" and '5.7' for '4.5' in col 4.
(Page 2, clause 6 ) - Substitute the following for the existing maner:
'Unless otherwise specified, bitumen felts shall be supplied in widths of 90 em
or 100 cm and generally in lengths of 10 III or 20 m.'
( Page 3, clause 7.1 ) - Substitute 'Pliability test after conditioning thc
sample for 3h <It SoC' for 'Pliability test' and 'Heat resistance tcst conducted at
6S ± 2°C' for 'Heat resistance test'. .
( Page 3, clause 7.1, NOle 1 ) - Substitute thc following for the existin~
note:
'I Diameter of Mandrel for pliability shall be as follows:

Type 1 )
Type 2 50.0mm
Type 3, Grade 1

Type 3, Grade 2 75.0mm'

(Page 3, clause 7.1, Note 2) - Substitute 'three' for 'two' in the first line.
(Page 3, clause 9.1.1) - Add the following matter below '9.1.1 LOf':
'All tbe ro]Js of tbe same type and grade and [rom the same batcb of
manufacture, in one cOIl.',;ignment shall constitute a lot.'
(Page 3, clause 9.1.2.1, para 2, lines 6 and 7) - Insert 'n is' between tbe
words 'lot, and' and 'tbe number'.
( Page 4, Table 2 ) - Substitute '( Clauses 7 and 8 )' for '( Clauses 6
and 8)' below tbe title.
(CED 41)
 IS 1321 : 1993

Indian Standard
BITUMEN FELTS FOR WATER-PROOFING AND
DAMP-PROOFING - SPECIFICATION
( Fourth Revision)
] SCOPE penetration of not less than 80 at 25°C
( see IS 1203 : 1978 ).
This standard covers the requirements for
saturated bitumen felts (underlay) and self- 4.2.2 Weight
finished bitumen felts used for water-pro ofing The weight of the saturant shall be not less than
and damp-pr,)ofing. 110 percent of the weight of the untreated fel [
for fibre-base felts and not less than 60 percent
2 REFERENCES of the weight of the untreated fabric for hessian
base felts subject to the minimum weigh t given
The Indian Standards listed in Annex Bare in Table I.
necessary adjuncts to this standard.
4.3 Bituminous Coatant
3 CLASSIFICATION
4.3.1 Composition
3.1 Bitumen felts shall be classified as given
in 3.1.1 and 3.1.2 depending upDn the type 0 f a) The bituminous coatant used for Types 2
base used in t heir manufacture and the uses to and 3 felts shall consist of bitumen
which the felts are suited. conforming to IS 702 : 1988, with or with-
out admixture of bitumen conforming to
3.1.1 Fihre Base [S 73 : 1992 and inert and water insoluble
fine mineral filler which shall pass
Type I - Saturated felt for underlay
100 percen t through ISO-micron Sieve
Type 2 -- Self finished fdt (for water- and 95 percent through 75 micron SIeve
proofing) [ see IS 460 ( Part 1 ) : 1978 ] or inert and
water insoluble fibrous mineral filler.
3.1.2 11essia/1 Base
b) The inert filler shall not exceed 42 percent
T~lpc 3 - [Self-finished felt (for water- by weight of the coatant, subject to the
proofing) ---- Grade 1 ] minimum weight specified in Table I for
--- [Self-finished felt (for damp- coatant.
proofing) -- Grade 2 ) 4.3.2 The bituminous coatant shall have a
softening point of not less than 105°C when
4 MATERIALS measured by the Ring and Ball method
4.1 Bu"e Fabrics
( see IS 1205 : 1978) and a penetration of not
less than 7 at 25°C (see IS 1203: 1978). The
4.1,1 rilFe-Huse Fe/ [ coatant shall be designed so that the finished
felts comply with high temperature storage test
The base fabric for fibre-base felts shall consist and the low- temperature pliability test.
of a suitable blend of vegetable and/or animal
fibres. The weight of ash on incineration of the 4.3.3 ""Veight
fabric shall not exceed 10 percent of its onginal
weight. The weight of the coatant shall comply with the
minimum weights specified in Table 1 for Type 2
4.1.2 Hessian Base Ffbre and Type 3 felts. .
The fabric shall conform to Type H hessian
r' 0 4.4 lVlineral Powder for Dustin!!__
conlornllng to IS 2018 ( Part 2 ) : 1971. c.>

4.2 Bituminous Saturant 4.4.1 Composition

4.2.1 Composition The mineral powder shall be powdered mineral

matter, fIJI' example, mica, talc or slate, passing
The saturant used in the case of all types of through 600-micron IS Sieve [ see IS 460
felt shall conform to IS 73 : 1992 wi th a ( Part 1 ) : 1985 J.
IS 1321 : 1993

Table 1 Minimum Weight of Bitumen Felt ( in kg )

( Clauses, Foreword, 4.2.2, 4.3.1(b), 4.3.3, 5.4 and 7.2 )

51 Type of Felt For 10 m8

No, r----------------------J...------""-~-'-------------___.
Untreated Base Saturant Coatant Bitumen Total Weight
( see Note 1 ) Content of the Finished
Bitumen Felt in
Dry Condition
with Mica
Dusting
Powder, Min
( see Notes 2
and 3 )
(1) (2) (3 ) (4) (5) (6) (7)

a) Fibre Base

i} Type 1 Underlay 4'0 3'6

ii) Type 2 Self 5"0 4'5 12'9 12'0 22'6

finished felt

b) He~sian Base

i) Type 3 Self 2'3 1'8 17'7 12'1 23"0

finished felt
Grade 1

ii) Type 3 Self 1'8 20'2 37'1

finished felt
Grade 2

NOTES

1 The weight of the untreated base shall be taken as in dry condition for fibre base felts, In the case of hessian
base the weight of untreated base shall conform to IS 2818 ( Part 2 ) : 1971.

2 Include allowance for 1'2 kg minimum mica dusting powder in dry condition except for Type I,

3 When other type of mineral powders are llsed, the weights shown in the last column shall be changed on the
basis of 4.4.2,

4.4.2 Weight the saturated felt shall be treated by passing

through the bituminous coatant material. The
The weight of the dusting powder incorporated
coatant shall be uniformly applied. The
shall be as follows: resultant coated felts shall be given a superficial
a) Mica powder - 1'2 to 2 kg/10 ro' a pplication of fine mineral powder.
b) Talc powder - 1'5 kg to 2-25 kg/lO m2
5.4 Weigbt
c) Slate powder - 1'5 kg to 2'25 kg/tO m2
The weights of the ingredients of bitumen felts
5 MANUFACTURE for 10 ro 2 shall be not less than those specified
in Table 1 during process.
5.1 The base fabric, fibre or hessian, after (he
removal of the major portion of the inherent 5.5 The finished material shall be free from
moisture, shall be saturated by immersion in visible external defects, such as holes, oil
the bitumen maintained in a molted condition patches, ragged or untrue edges, breaks, cracks,
and the surplus saturant shall be removed. The tears, protuberances and indentations.
manufacture of the underlay, that is, Type 1
felt, is complete at this stage. 6 DIMENSIONS
5.2 The base fabric shall be thoroughly and
uniformly saturated. Unless otherwise specified, bitumen felts shall
be supplied in width of 90 em or 100 em and in
5.3 For the manufacture of self-finished felts, lengths of 10 m or 20 m.

2
 IS 1322 : 1993

7 OTHER REQUIREMENfS OF BITUMEN 8 TESTS

FELTS
Tests shall be carried out as per the relevant
7.1 Bitumen felts shall be subjected to the standards mentioned in 7 and as specified in
following tests, in addition to bitumen content col 2 to 8 of Table 2.
test as per 7.2, and shall conform to the
requirements given in Table 2. Sample shall be 9 SAMPLING AND CRITERIA OF
cut as explained in Fig. 1 CONFORMITY
Type Test References to 9.1 Sampling
Type J Breaking strength IS 13826 9.1.1 Lot
Underlay test ( Part 1 ) : 1993
Pliability test IS 13826 9.1.1.1 The conformity of the lot to the require-
( Part 2 ) : [993 ments of this standard shall be determined on
the basis of inspection and tests carried out on
Type 2 Breaking strength IS 13826 the samples selected from the lot.
and test (Part I ) : 1993
9.1.2 The number of rolls to be selected from
Type 3 IS 13826 the lot shall depend upon the size of the lot and
All Pliability test ( Part 2 ) : 1993 shall be in accordance with col 1 and 2 of
grades Table 3.
Storage sticking IS 13826 9.1.2.1 These rolls shall be selected at random
test ( Part 3 ) : 1993 from the lot, and in order to ensure random-
Pressure head test IS 13826
ness of selection, random number tables may be
( Part 4 ) : 1993 used. In case random number tables are not
Heat resistance IS 13826
available, the following procedure may be
test ( Part 5 ) : 1993 adopted for the selection of the rolls.
'Vater absorption IS 13826
test ( Part 6 ) : 1993 Starting from any roll in the lot count them as.
1, 2, 3, .... ... , r, and so on, in order. Every
NOTES rth roll thus counted may be selected till the
requisite number of rolls for the sample is
] Diameter of Mandrel for pliability shall be as obtained, r being the integral part of N/n,
follows:
where N is the number of rolls in the lot, and
Type 1 I the number of rol1s to be selected in the
Type 2 >- 50-0 mm sample.
Type 3, Grade 2 J
Type 3, Grade 2 75'0 mm 9.1.3 Test Samples and Number of Tests
2 The tests shall be carried Ollt not earlier than two 9.1.3.1 All the rolls selected in 9.1.2 shall be
days from the date of manufacture. inspected for width, length and visible external
defects.
7.2 Total Bitumen Content
9.1.3.2 The number of rolls to be tested for
The minimum weight of bitumen in the bitumen breaking strength, pliability and storage stick-
felts, when determined in accordance with ing, heat resistance, water absorption test,
IS 13826 ( Part 7 ) : 1993 shall conform to the pressure head test and binder content shall be
val lles given in col 6 of Table]. in accordance with col 4 of Table 3. These rolls

T
1m

1 ~~~-------------------------
\ Sm

A, B-Breaking Strength C, D-Pliability E--Storage Sticking

F-Heat Resistance G-Pressure Head H-Water Absorption K-Binder Content
All dimensions in millimetres.
FIG. 1 TYPICAL LAYOUT FOR CUITING TEST PIECES FROM THE ROLL

3
IS 1322 : 1993

shall be taken at random from those inspected of test specimens shall be taken from each of
under 9.1.3.1 and found satisfactory for the test sample and subjected to the
dimensions. From each of these rolls, one test corresponding lests.
sample 5 m long and the full width of the felt
shall be cut out for preparing test specimens. 9.1.3.3 From each sample the test specimens
Test sample shall not be taken from c~llnaged sh~ll be cut out in the manner shown in Fig.
portion of the roll, if any. The required number which depicts the layout of test specimens.
Table 2 Requirements of Bitumen Felts
( Clauses 6 and 8 )

Type of Breaking Strength, Min, Kg

( " _ _ _ _ _ ..A. _ _ _ _ _ _ ,
Pliability Test Storage Heat Pressure Water
Felt Sticking Test Resistance Head Test Absorp-
Warpway Weftway Test ticn Test,
,"'lax
IS 13826 ( Part 1 ) : 1993 IS 13t\26 IS 13826 IS 13826 IS 13826 IS 13826
(Part 2) : (Part3): (Part 5) : (Part 4) : (Part 6) :
1993 1993 1993 1993 1993
(I) (2) 0) (4) (5) (6) (7) (2)
( i) The roll shall
I not show
I cracks on
I unfolling
I
Type 1 72 24 .< ii) Consider any
I surface rup-
I ture exceed-
I ing 5 mm in
I length as
L failure

r j) The roll shall The test The

pieces shall
test The
pieces shall
test 5'0 per-
I not show pieces shall cent
I cracks on be examined show no show no
,I unrolling after cooling sign of melt- sign
ing of the leakage
of

I bitumen
I compound
I After release
I ii) Consider any
Type 2 95 60 -< surface rup- of the load,
I ture exceed- the layers
I ing 5 mm in of felt shall
I length as be capable
I fa il'Jre of being
I separated
I without
I Jamaging
I
I the coatant,
I if' any
l way

r i) The roll shall

not show
The test
pieces shall
The test The
pieces shall
test 2'0 pef-
pieces shall cent
I
I cracks on be examined show no 'Show no
I unrolling after cool- sign of melt- sign of
I ing ing of the leakage
I bitumen
I compound
I
Type 3 135 90 I ii) Consider any After release
( all ~ surface of the load,
grades) \ . rupture the layers
I exceeding offcit shall
I 5 mm In be capable
1 length as of being
I failure separa ted
I without
I damaging
I the coatant
I in any way
L
NOTE - Appropriate tests for the above n~quiref1lcnts ,He described in 7,

4
 IS 1322 : 1993

Table 3 Sample Size ami Criterion of 2 Range R is (he difference between the
maximllm and the minimum in a set of observed
Conformity values.
[ Clollses 9.1.2, 9.1.3.2 and 9. 1.4.1 (a) ]
c) All the sample rolls tested for water
No. of Rolfs No. of RoBs Permissible Sub.Sample absorption shall satisfy the conditions of
in the Lot to be Selected No. of Sizes, No.
in the Sample Defective of RoHs IS 13826 ( Part 6 ) : 1993 individually.
RoBs to be
Selected in d) For the other characteristics mentioned
the Sample in 9,1.3.2 (except breaking strength and
(I) (2) (.3) (4) \Va ter absorption), all the test pieces
Up to 100 5 {) 2 satisfy all the requirements of the charac-
10J 101S0 t\ 0 3 teristics individually.
151 to 300 13 0 4
10 PACKING AND MARKING
301 to 500 20 5
501 to 1 000 32 2 6 10.1 Packing
1 001 to 3000 50 3 8
3001 and 80 10 Unless otherwise specified, bitumen felts shoul<;i
above be securely packed in roBs. The rolls of
hessian base Type 3 bitumen felts shall be
9.1.4 Criteria for Conformity wound on cores and the fibre base Types 1 and
2 bitumen felts need not be wound on cores,
9.1.4.1 The lot shall be considered to be in but they shall be securely wrapped in a kraft
conformity with the requirements of the paper of the same width as t1le fabric. The
standard if the following conditions are wrapper shall completely encircle the roll and
-;a t isfied: shall be pasted at the overlap in manner that
a) The number of rolls found defective with will prevent it from opening out. The ends of
respect to any characteristics mentioned the full need not be covered.
in 9.1.3.1 does not exceed the correspond-
ing number given in col 3 of Table 3. 10.2 Marking
b) From the observed values of breaking Each package shall be legibly and indelibly
strength, t he average X and the range.R marked with the following information:
are calculated for each direction (that
is, warp-way and weftway) separately, a) Indication of the source of manufacturer;
and the value of the expression X - 0·6 R
is found to be greater than or equal to b) Type and grade of the bitumen felt;
the applicable specified value. c) Length, width and weight of the roB;
NOTES and
J Average X is the value obtained by dividing
the sum of the observed values by tIle number
d) Batch number in code and date of
of observed values. manufacture.
IS 1322 : 1993

ANNEX A
( Foreword)
COMMITTEE COMPOSITION
Water Proofing and Damp-Proofing Sectional Committee, CED 41

Chairman Rtj}rtsent illg

PROF M. S. SHETTY In personal capacity No.4, Sapan Ballg, Near Empress Gardell;
Pune 411001 )

CAPT ASHOK SHASTRY Osnar Chemical Pvt Ltd, Bombay

SaRI S. K. BANERJEE ( Alternate)
SHIU T. CHAUDHURY National 'fest House ( ER ), Calcutta
SaRI B. MANDAL ( Alternate)
DIRECTOR (DESIGN) National Buildings Organization, New Dclh i
SURI D. C. GOEL Central Road Research Institute, New Delh i
SURI A. K. GUPTA Engineers India Ltd, New Delhi
SaRI D. MOUDGIL ( Alternate)
SaRI A. K. GUPTA Metro Railway, Calcutta
SaRI K. RAJGOPALAN ( Alternate)
SaRI M. B.JAYAWANT Synthetic Asphalts, Bombay
SURI MOJZ S. KAGDI Polyseal India Engineering Centre, Bombay
S'HB.I SUREN M. THAKKER ( Alternate)
SHRI M. K. KANCHAN Central Public Works Department, COO
SaRI K. D. NARULA ( Alternate )
BRnG V. K. KANITKAR Engineer-in-Chief's Branch, Army Headquarters, New Delhi
SHm C. S. S. RAO ( Alternate)
SHIU M. H. KHATRI Overseas Water-Proofing Corporation Ltd, Bombay
SURI A. BOSE ( Alternate)
SaRI Y. P. KAPOOR Fosroc India Ltd, Bangalore
SHRI V. N ATARAJ AN ( Alternate)
SRRI H. C. METAl Building Materials & Technology Promotion Council, New Delhi>
SRRI M. M. MATHAI Cempire Corporation, Madras'
SaRI R. D. NAYAK Bharat Petroleum Corporation Ltd, Bombay
SRRI P. C. SmVASTAVA ( Alternate)
COL ( Retd ) D. V. PADSALGIKAR B. G. Shirke & Co, Pune
SBRI R. P. PUNJ Lloyd Bitumen Products Pvt Ltd, Calcutta
SaRI A. K. SEN ( Alternate)
SBil.I RAVI WIG . MES Builders' Association of India, New Delhi
SaRI K. K. MADHOK ( Alternate )
Sam T. K. Roy STP Ltd, Calcutta
SURI B. B. BANERJBE ( Alternate)
SaRI SAMIR SURLAKER MC-Bauchemic ( India) Ltd, Bombay
SRIn JAY ANT DEOGAONKAlt
( Alternate )
SBRI R. SARABKSW All. Integrated Water-proofing Ltd, Madras
SR DEPUTY CHIEB' ENGINBItR Public 'Works Department, Government of Tamil NauLl
SUPERINTENDING ENGINEER ( Madras Circle)
( Alternate)
SIIR! A. SHARIFF FGP Ltd, Bombay
SHRI D. KusmVAHA ( Alternate)
SHRI]. S. SaAuMA Central Building Research Institute ( CS IR ), Roorhe
SHRI R. S. RAWAT ( Alternate)
SHRISRAMALSENGUPTA Projects and Development India Ltd, Dhanbad
SHRI U. R. P. SINHA ( Alternate)
Sum J. VENKATARAMAN, Director General, BlS ( Ex·Officio Member)
Director ( Civ Engg )
Secretary
SUR! J.
K. PRASAll
Joint Director ( Civ Engs ), DIS

6
 IS 1322 : 1993

ANNEX B
( Clause 2 )
LIST OF REFERRED INDIAN STANDARDS

IS JVO. Title IS No. Title

73 : 1992 Specification for paving 2818 Specification for Indian
bitumen ( second revision) ( Part 2 ) : J 971 hessian: Part 2 305 and
229 g/m'J at 16 percent
460 Specification for test sieves:
( Part 1 ) : 1985 Part 1 Wire cloth test sieves con tract regain (first
( third revision) revision)
13826 Methods of tests for bitumen
702 : 1988 Specification for industrial
based feIt :
bi tumen (second revision )
( Part 1 ) : 1993 Breaking strength test
1203 : 1978 Methods of testing tar and ( Part 2 ) : 1993 Pliability test
bituminous materials:
Determination of penetra- (Part3): 1993 Storage sticking test
t ion (first rev;sion ) ( Part 4 ) : 1993 Pressure head test
( Part 5 ) : 1993 Heat resistance test
1205 : 1978 Methods for testing tar
and bituminous materials: ( Part 6 ) : 1993 Water absorption test
Determination of softening ( Part 7 ) : J 993 Determination of b i neier
po i n t (firs t revision ) content

MGIPF-371 Dept! of BIS/2009-4.11.2009-100 Books. 7