PRODUCT DATA SHEET
Sika Boom® FR
Fire-retardant polyurethane foam
DESCRIPTION
CHARACTERISTICS / ADVANTAGES
Sika Boom® FR is a 1-component, fast curing, poly-
urethane foam retarding fire up to 5 hours. ▪ 1-Component
▪ Easy application with nozzle
USES ▪ Fast curing
▪ Very good thermal insulation
Sika Boom® FR is designed for linear joints in brick- ▪ Effective sound dampening
work and concrete where fire protection is required. ▪ HFC-free
APPROVALS / STANDARDS
▪ DIN 4102: B1 fire rating class
▪ BS 476-20: fire rated up to 5 hours fire protection
PRODUCT INFORMATION
Chemical Base 1-Component polyurethane
Packaging 750 ml can with rubber valve, 12 cans per box
Colour Pink
Shelf Life Sika Boom® FR has a shelf life of 12 months from the date of production, if
stored properly in undamaged, original, sealed packaging, and if the stor-
age conditions are met. Opened cans of Sika Boom® FR must be used with-
in 4 weeks.
Storage Conditions Sika Boom® FR shall be stored in an upright position, in dry conditions, pro-
tected from direct sunlight and at temperatures between +5 °C and +25 °C.
Density ~21 kg/m3
Water Absorption < 1 % of volume (cut surface) (DIN EN 12087)
TECHNICAL INFORMATION
Compressive Strength ~0.06 N/mm2 (with 10 % deformation) (ISO 844)
Tensile Strength ~0.11 N/mm2 (ISO 1926)
Shear Strength ~0.05 N/mm2 (ISO 1922)
Product Data Sheet
Sika Boom® FR
January 2021, Version 02.02
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Dimensional Stability ± ~10 %
Joint Permeability to Water Vapour µ = 19, sd = 1.1 m (d = 59 mm, ρ = 14 kg/m3) (ISO 12572)
Thermal Conductivity ~0.039 W/mK (EN 12667)
Sound Insulation RST,w (C;Ctr) = 61 (−1; −5) dB (ift SC-01/2)
Service Temperature −40 °C min. / +80 °C max. (temporary exposure up to +100 °C)
APPLICATION INFORMATION
Yield 750 ml can ~38 l
Consumption can be regulated by adjusting the pressure on the trigger.
Ambient Air Temperature Optimum +18 °C min. / +25 °C max.
Permissable +5 °C min. / +35 °C max.
Relative Air Humidity 30 % min. / 95 % max.
Substrate Temperature Optimum +18 °C min. / +25 °C max.
Permissable +5 °C min. / +35 °C max.
Cutting Time ~23 min (after which a 20 mm bead can be cut).
Sika Boom® FR is fully cured after 12 h.
Tack Free Time ~11 min
BASIS OF PRODUCT DATA refer to the most recent Material Safety Data Sheet
(MSDS) containing physical, ecological, toxicological
All technical data stated in this Product Data Sheet are and other safety-related data.
based on laboratory tests. Actual measured data may VOC DATA
vary due to circumstances beyond our control.
The maximum content of Sika Boom® FR VOC is 48 g/L
FURTHER DOCUMENTS for the ready to use product.
▪ Safety Data Sheet APPLICATION INSTRUCTIONS
LIMITATIONS For the application of Sika Boom® FR all generally ac-
cepted rules of building and construction apply.
▪ The minimum can temperature for application must
be +10 °C. SUBSTRATE PREPARATION
▪ In order to get a good quality foam, the can temper-
ature should not vary more than 10 °C from the am- The substrate must be clean, sound and homogen-
bient temperature. eous, free from oils, grease, dust and loose or friable
▪ Protect the can from direct sunlight and temperat- particles. Paint, cement laitance and other poorly ad-
ures above +50 °C (danger of explosion). hering contaminants must be removed. Sika Boom® FR
▪ For correct curing of the foam, moisture is necessary. adheres without primers and/or activators.
▪ Applying insufficient moisture may lead to sub- Pre-dampen the substrate with clean water, this en-
sequent unintended foam expansion (post expan- sures that the foam cures properly and also prevents
sion). secondary foam expansion.
▪ Do not fill hollow sections completely as the foam
expands during curing. APPLICATION METHOD / TOOLS
▪ Do not use on polyethylene (PE), polypropylene (PP),
Shake the Sika Boom® FR can well for minimum 20
polytetrafluoroethylene (PTFE / Teflon), and silicone,
seconds before use. Repeat shaking after long inter-
oil, grease and other separating agents.
▪ Sika Boom® FR is not resistant to UV light. ruptions of use. Screw the nozzle firmly into place
▪ Read all safety and technical recommendations without pressing the trigger or the valve. The amount
which are printed on the Sika Boom® FR can. of expanding foam extruded can be regulated by ap-
plying more or less pressure on the trigger. Fill deep
ECOLOGY, HEALTH AND SAFETY joints in several layers. Take care to allow each layer
to cure and expand sufficiently by spraying water
For information and advice on the safe handling, stor- between each layer or allowing sufficient waiting time
age and disposal of chemical products, users shall between the layers. Do not fill hollow sections com-
Product Data Sheet
Sika Boom® FR
January 2021, Version 02.02
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pletely as the foam expands during curing. All building
elements must be temporarily fixed until the foam has
fully cured.
CLEANING OF TOOLS
Clean all tools and application equipment immediately
with Sika Boom®-Cleaner and/or Sika® Remover-208.
Once cured, residual material can only be removed
mechanically.
LOCAL RESTRICTIONS
Please note that as a result of specific local regulations
the performance of this product may vary from coun-
try to country. Please consult the local Product Data
Sheet for the exact description of the application
fields.
LEGAL NOTES
The information, and, in particular, the recommenda-
tions relating to the application and end-use of Sika
products, are given in good faith based on Sika’s cur-
rent knowledge and experience of the products when
properly stored, handled and applied under normal
conditions in accordance with Sika’s recommenda-
tions. In practice, the differences in materials, sub-
strates and actual site conditions are such that no war-
ranty in respect of merchantability or of fitness for a
particular purpose, nor any liability arising out of any
legal relationship whatsoever, can be inferred either
from this information, or from any written recom-
mendations, or from any other advice offered. The
user of the product must test the product’s suitability
for the intended application and purpose. Sika re-
serves the right to change the properties of its
products. The proprietary rights of third parties must
be observed. All orders are accepted subject to our
current terms of sale and delivery. Users must always
refer to the most recent issue of the local Product
Data Sheet for the product concerned, copies of which
will be supplied on request. It may be necessary to ad-
apt the above disclaimer to specific local laws and reg-
ulations. Any changes to this disclaimer may only be
implemented with permission of Sika® Corporate Legal
in Baar.
SIKA HONGKONG LTD.
Rm.1507-12, Blk A, New Trade Plaza,
6 On Ping Street, Shatin, N.T., H.K.
Phone: +852 26868108
Fax: +852 26453671
Mail: marketing@hk.sika.com
Website: www.sika.com.hk
SikaBoomFR-en-HK-(01-2021)-2-2.pdf
Product Data Sheet
Sika Boom® FR
January 2021, Version 02.02
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