Malthoid is a 2 ply felt material impregnated with bitumen which is also covered in a fine sand to prevent sticking when rolled. Malthoid is used for waterproofing of flat roofs and under corrugated iron water tanks, to prevent condensation corrosion.
Package:
110mm x 20m roll
150mm x 20m roll
230mm x 20m roll
300mm x 20m roll
350mm x 20m roll
1m x 20m roll
1m x 10m roll
special sizes made to order
Application:
Damp proof course on brick and block walls.
Damp proof course between concrete and timber.
To prevent condensation and corrosion under water tanks, cylinders and all metal structures.
PHYSICAL AND CHEMICAL PROPERTIES
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Malthoid 2 Ply Sand
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Characteristics & Lab tests
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Unit of measure
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Value
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Up side
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Sand
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Down side
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Sand
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Mass Per Unit Area
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g/m2
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1800+/-5%
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Thickness
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mm
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1.7+/-5%
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Tensile strength
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N/5cm
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MD: 300+/-15%
MD: 140+/-15%
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Elogation
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%
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MD: 1-2%
CD: 2-3%
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Nail Tearing
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N
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MD: 35+/-15%
CD: 30+/-15%
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Water vapour transmission property
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G/m2 x 24h m
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WDD: 2.5+/-15%
23℃ 93/50% UR
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WDD: 5.3+/-15%
38℃ 93/50% UR
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Flexibility at low temperature
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℃
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0
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