Waterproofing Membrane.

An asphaltic waterproofing membrane incorporating a fibre felt carrier. 

Uses
  • Designed for flat roof waterproofing or wherever an asphaltic membrane would be used. 
  • In accordance with SABS Code of Practice 021/1973 using either hot or cold bonding methods. 
  • It is strongly recommended that either the two or three layer process be used and that a single layer usage is avoided. 
  • Where exposed to the weather, it is usual to overcoat, 3 weeks after laying, with silvakote.
Caution
  • Do not use on completely flat roofs. Any ‘flat’ roof should have a minimum drainage fall of 1 in 80 (1,25%). 
  • Rolls should be stacked on end, not more than 2 rolls high.
Typical Physical Properties Type 40

Layers 

3-ply roofing felt 

Length of roll 

20 meters 

Width of roll 

900mm 

Mass of roll (min) 

41kg 

Mass 

2.28kg/m2 

Thickness 

2.3mm 

Pliability @ 25°C 

No crack on 25mm mandrel 

Pliability @ 10°C 

No crack on 75mm mandrel 

Heat test @ 80°C 

No slump 

Accelerated weathering for 15 cycles per ASTM D529 (modified) 

Free from alligatoring, bleeding, blistering, cracking, cratering, local surface damage, sagging 

Surface finish 

Fine washed sand 

Typical Physical Properties Type 60

Layers 

5-ply roofing felt 

Length of roll 

20 meters 

Width of roll 

450 & 900mm 

Mass of roll (min) 

57kg 

Mass 

3.17kg/m2 

Thickness 

3mm 

Pliability @ 25°C 

No crack on 25mm mandrel 

Pliability @ 10°C 

No crack on 75mm mandrel 

Heat test @ 80°C 

No slump 

Accelerated weathering for 15 cycles per ASTM D529 (modified) 

Free from alligatoring, bleeding, blistering, cracking, cratering, local surface damage, sagging 

Surface finish 

Fine washed sand 

Important Note

This data sheet is issued as a guide to the use of the product(s) concerned. Whilst a.b.e.® Construction Chemicals endeavours to ensure that any advice, recommendation, specification or information is accurate and correct, the company cannot – because a.b.e.® Construction Chemicals has no direct or continuous control over where and how a.b.e.® Construction Chemicals’ products are applied – accept any liability either directly or indirectly arising from the use of a.b.e.® Construction Chemicals’ products, whether or not in accordance with any advice, specification, recommendation or information given by the company.