Intumescent Coating | Products Range
| System W
The Nullifire System W range of basecoat systems offers a choice
of clear and pigmented finishes for the flame protection of internal
natural timber surfaces. W clear allows the timber to be protected
whilst maintaining the aesthetic beauty of the natural timber.
Key features:
- Water-borne system.
- Clear or Pigmented options.
- Internal timber surfaces.
- Flame protection.
Where is System W Used?
Where internal wall or ceiling linings and cladding in natural
timber require protection against the spread of flame.
 Two coat system:
First coat: System W Basecoat
Second Coat: System W Top Seal
The system has been designed to upgrade internal timber surfaces
to meet the requirements of BS 476:Part 6 and 7 for Class 1 and
Class 0, in accordance with the approved document B of the Building
Regulations.
How much product is needed?
The following tables give
System W Clear
| System W Clear |
| Products |
W Basecoat |
W Top Seal |
| Rating |
Class 1 |
| Substrate |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
| Softwood |
300 |
0.23 |
0.14 |
1 |
85 |
0.08 |
0.03 |
1 |
| System W Clear |
| Products |
W Basecoat |
W Top Seal |
| Rating |
Class 0 |
| Substrate |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
| Softwood |
450 |
0.23 |
0.14 |
2 |
85 |
0.08 |
0.03 |
1 |
System W Pigmented
| System
W Pigmented |
| Products |
W Basecoat |
W Top
Seal |
| Rating |
Class
1 |
| Substrate |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
| Softwood |
400 |
0.35 |
0.21 |
1 |
85 |
0.08 |
0.03 |
1 |
| System
W Pigmented |
| Products |
W Basecoat |
W Top
Seal |
| Rating |
Class
0 |
| Substrate |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
g/m2 |
WFT (mm) |
DFT (mm) |
No Coats |
| Softwood |
400 |
0.35 |
0.21 |
1 |
100 |
0.09 |
0.03 |
1 |
System W is available in a matt or satin fininsh,
and in a range of BS or RAL colours.
For further details on
System W, please contact Nullifire
Technical Services Department:
|
