Description
Sika Boom G is a one-component, fast-curing, gun-applied polyurethane expanding foam with a very high expansion rate. Gun application gives precise control and applicator comfort for fixing, insulating and filling around openings and penetrations, inside and out.
Features & Benefits
- Gun-applied with high expansion rate and fast curing
- Very good thermal insulation and sound dampening
- Insulates against temperature, noise, draughts and vermin
- Can be cut and over-painted; HFC-free
Where to Use
- Fixing and sealing window and door frames
- Air-conditioning vents and roller-blind housings
- Pipe and conduit penetrations, cavities and voids
Specifications
| Chemical base |
1-part polyurethane foam (HFC-free) |
| Colour |
Light yellow |
| Packaging |
750 ml gun-grade can |
| Tack-free time |
~10 min |
| Cutting time |
~40–60 min |
| Yield |
~40 L per can |
| Cured density |
~23 kg/m³ |
| Service temperature |
−40°C to +90°C |
| Application temperature |
+5°C to +35°C |
| Thermal conductivity |
~0.033 W/mK |
| Shelf life |
12 months |
Storage
Store dry and upright between +15°C and +25°C, protected from direct sunlight.
Safety
Not UV-resistant; pre-dampen the substrate to ensure cure; do not completely fill hollow sections as the foam expands. Pressurised can – keep away from heat and direct sunlight. Refer to the Safety Data Sheet before use.