Product Data Sheet Show all documents
Sika Boom®-420 Fire

Sika Boom®-420 Fire

FIRE RESISTANT POLYURETHANE EXPANDING FOAM

Sika Boom®-420 Fire is a 1-part, fire resistant, self-expanding polyurethane foam. It meets the fire resistance requirements of up to 180 minutes according to AS 1530.4:2014. The combi-valve allows for precise, easy and effecient application by either gun or nozzle.

  • Fire resistance up to 180 minutes depending on the configuration
  • Combi-valve for gun or nozzle application
  • 1-Part ready to use
  • Safety valve for extended shelf life
  • Cured foam can be cut, trimmed and sanded
Product Data Sheet Show all documents
Use with Sika Boom® 100 Foam Dispenser
 
  • Ultra-light and robust
  • Compact gun, made entirely of non-stick thermoplastic material
  • Integrated universal adapter and metal barrel
  • Safety foam regulator to control the foam application
  • Enables precision application of Sika Boom foam.
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Usage

  • Restores the fire resistance performance of a floor or wall which incorporates linear seals
  • Interior use only
 

Advantages

  • Fire resistance up to 180 minutes depending on the configuration
  • Combi-valve for gun or nozzle application
  • 1-Part ready to use
  • Safety valve for extended shelf life
  • Cured foam can be cut, trimmed and sanded

Packaging

750 ml pressurised canister with safety valve: 12 canisters per box

Colour

Pink

Product Details

Sustainability / Certifications / Approvals

SUSTAINABILITY

  • VOC emission classification GEV-Emicode EC1PLUS, license number 10376/03.06.13

CERTIFICATES AND TEST REPORTS

  • AS1530.4:2014 fire resistance up to 180 minutes.

  • CE Marking and Declaration of Performance to ETA 24/0105, based on EAD 350140-00-1106:2017 – Fire stopping and fire sealing products, linear joint and gap seals
Product Information

Composition

Polyurethane foam

Shelf life

12 months from the date of production.

Storage conditions

The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +10 °C and +20 °C. Store in an upright position.

Protect the canister from direct sunlight and temperatures above +50 °C (danger of exploding). Always refer to packaging.

Density

Gun applied cured foam

17±5 kg/m3  

Nozzle applied cured foam

30±5 kg/m3

 
Technical Information

Reaction to fire

B1

(DIN 4102-1)

Resistance to fire

Refer to ‘Approvals / Certificates’ section, Sika Passive Fire Stopping Solution Finder for linears seals or contact Sika Technical Services for specific information.

Light and thermal resistance

Not permanently UV-stable

Service temperature

−40 °C min. / +80 °C max. (briefly up to +100 °C)

Joint design

Refer to ‘Approvals / Certificates’ section, Sika Fire Stopping Solution Finder for Linear Seals or contact Sika Technical Services for specific information

Application

Application Information

Material temperature

Optimum

+20 °C

Permissible

+5 °C min. / +30 °C max.

Ambient air temperature

Optimum

+20 °C

Permissible

+5 °C min. / +30 °C max.

Substrate temperature

Optimum

+20 °C

Permissible

+5 °C min. / +30 °C max.

Cutting time

Gun applied:

~25 minutes*

Nozzle applied:

~40 minutes*

*After this time a 30 mm diameter bead can be cut

Tack free time

7±2 mins
Consumption

Yield

750 ml canister:

Box Yield

Gun applied

Nozzle applied

~44 l

~30 l

Joint Yield

Gun applied*

Nozzle applied*

~32 m

~24 m

*Based on a 20 × 50 mm joint
Application steps

SUBSTRATE PREPARATION

The substrate must be clean, sound, firm, free from oils, grease, dust and loose or friable particles. Paint, cement laitance and other poorly adhering contaminants must be removed.

Pre-dampen the substrate with clean water, this ensures that Sika Boom®-420 Fire cures properly and also prevents secondary foam expansion.

APPLICATION

Shake Sika Boom®-420 Fire canister thoroughly (at least 20 times) prior to use, repeat shaking after long interuptions of use. Attach the canister to the application gun or attach nozzle to the canister combi-valve, apply the foam by holding the can and pointing the nozzle into the area of application then applying pressure to the nozzle trigger. The amount of foam applied can be regulated by the pressure applied to the nozzle. Ensure applications in deep voids are applied in layers allowing each layer to fully cure before application of the next layer. Applied foam must be allowed access to sufficient moisture in order to fully cure. Fully cured foam can be cut to shape.

CLEANING OF EQUIPMENT

Clean all tools and application equipment with Sika Boom® Cleaner or Sika® Remover-208 immediately after use. Clean the application gun by screwing Sika Boom® Cleaner onto the thread of the application gun and press the trigger to clean it. Do not leave the Sika Boom® Cleaner screwed on the application gun, as the valve could be damaged. Hardened material can only be mechanically removed.  

 

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