Anderson T.A. Underlay Sanded
Anderson T.A. Underlay Sanded is a heat-activated/self-adhesive glass reinforced SBS-modified bitumen membrane with special vapour control stripes. It is intended for use as an underlay/base layer in a bitumen built-up roof system.
Features & Benefits
- Unique grooves system
- Self-adhesive side laps protect the insulation during installation
- Technically advanced low heat-reactive bitumen
- Thermically Activated membranes to protect combustible surfaces from naked flames
- Exceptional bond strength
- Reduced energy consumption
- Requires 50% less torching
- Striped resinous profiles release water vapour to help eliminate blistering and prolong roof life
Product Range
| Product Code |
Description |
Roll Size |
Roll Weight |
| 2004385 |
T.A. Underlay Sanded |
1m x 10m |
28kg |
Product Data and Performance
| Performance Data: |
| Surface Upper: |
Silica sand, with SBS bitumen adhesive with release sheet to overlap selvedge |
| Surface Lower: |
Silica sand with SBS-modified bitumen adhesive stripes with release sheet |
| Material: |
SBS-modified bitumen adhesive |
| Type of Reinforcement: |
Glass |
| Selvedge Width: |
75mm |
| Typical Thickness: |
2.3 mm ±0.2 |
Ancillary Products
Icopal S.A. Spray Primer is designed to penetrate and seal dusty or porous substrates of masonry, concrete, cementitious screeds or renders; existing bituminous or asphalt waterproofing; plywood or OSB; structural steelwork and other metals; prior to the application of thermically-activated self-adhesive bituminous membranes.
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