Spray Foam Sealant

Expanding Foam spray Sealant is generally made available in two forms –

  • Spray Can  – Dipensed using an adopter or straw or Pipe : one straw is preattached to the can .
  • Gun grade – Dispensed using a Hand held PU Gun 
Furthar it is classified into B3 ( Non FR ) type and B1( FR ) type PU foam spray.
polyurethane expanding sealant
spray insulation foam
frfoam

How to use Expanding foam spray sealant

  1. Clean the application area with water spray.
  2. Moisten the area with Water spray. PU foam adheres to almost all surfaces that are strong, clean and free of dust and grease. Only silicon, oils, greases, polyethylene, teflon or similar surfaces are not suitable to be applied on.
  3. Surface must be dampened enough to ensure that the foam sealant finds adequate moisture for its hardening process. Otherwise, it could impair the adhesion and edge adhesion.
  4. Attach the Straw on the can.
  5. Shake the can vigorously  for 20 to 25 times.
  6. Hold the can upside down such that the valve faces downwards. This is the only way to completely empty the can.
  7. Press the trigger, foam will rush out of the can under pressure.
  8. Keep shaking the can.
  9. Plan the work such that entire can material is consumed in one go,  i.e., after opening the can, it should be completely consumed. This is recommended because whatever is left will get cured inside the can and thus go to waste.
  10. The foam cures in 30 – 40 minutes depending upon weather conditions.
  11. After curing , extra foam can be cut with a sharp knife.
  12. Foam sealant is paintable. It is not UV resistant – should not be exposed to direct sunlight. If unavoidable – paint the foam to protect from sunlight.
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Uses of Expanding PU Foam spray

  • Filling of joints, seams and cracks in partition walls with ceilings.
  • Structural space between window and door frames and walls.
  • Structural and fitting space between prefabricated construction elements
  • Around cables and pipes, penetrations through walls and ceilings.
  • Gluing panels/ insulating sheets.

Which Industries Require This Product?

Foam spray sealant is a verstile product used for sealing, bonding, gap filling, sound insulation, thermal and electrical insulation, waterproofing etc.

  1. Construction: Fitting Door frames, window frame gaps, sealing tie rod holes/joints, gap between bricks and  beam, bonding AAC blocks.
  2. Power plants: Sealing gap between cable and wires, gap between electric panel outlet.
  3. Solar Plants:  Sealing gaps between cable and wire.
  4. Interiors: Gap filling.
  5. Terrace: heat insulation.
  6. Cold Storage/ Wooden houses: Gap filling purposes.
Applications
Industry
Product used
Traditional Method
Advantages over Traditional Method
Fixing of window/door FrameConstructionPU foam spray cans ( 750 ml )White cementFaster process , time saving                                      Reduction in Labour cost                                          Excellent aesthetics, no cracks developed with time .                                                   Additional strength provided to door frame, number of anchor fasteners can be reduced
Installation of Fireproof doors & WindowsConstructionPU foam spray cans ( 750 ml )White cementFaster process , time saving                                     Reduction in Labour cost                                           Excellent aesthetics, no cracks developed with time                                                        Additional strength provided to door frame, number of anchor fasteners can be reduced
Sealing Split AC holes carrying cablesConstruction, HVACPU foam spray cans ( 750 ml )Cement, Thermocol etc100% sealing  guaranteed                                     Faster process                                                    Saving in labour cost                                   Excellent aesthetics
Insulation for Plumbing pipesConstructionPU foam spray cans ( 750 ml )Insulating material100% sealing  guaranteed                                     Faster process                                                    Saving in labour cost
Sealing Tie Rod holesConstructionPU foam spray cans ( 750 ml )cement grouting , GP2cost saving , 68% reduction in cost
Productivity improvement by 500%
Leak free – better reliability
Improved aesthetics
Joint/ seam between Wall and Beam( Ceiling)ConstructionPU foam spray cans ( 750 ml )Cement grouting, Sealants100% sealing  guaranteed                                     Faster process                                                    Saving in labour cost                                   Excellent aesthetics
Sealing of all Openings in Roof construction, especially metal roofConstructionPU foam spray cans ( 750 ml )cement , silicone sealant

100% sealing  guaranteed                                     Faster process

Saving in labour cost                                   Excellent aesthetics

Improving Thermal insulation in cooling systemsHVAC, Cold storagePU foam Spray cans ( 750 ml ), 2 part Bulk spray systemInsulating materialhighly efficient thermal insulation guaranteed                                                            Faster execution , Lower labour costs
Fire & Smoke Retardent sealant between wall, Floor and CeilingsConstructionPU cansno suitable alternative efficient sealing at lower cost                                            ease of application
Filling free spaces, cracks, gaps, pipe peneratationsInterior decorator, FurniturePU cansno suitable alternative efficient sealing at lower cost                                            ease of application
Back up material to Expansion jointsConstructionPU foam cans, 2 part Bulk spray systemsBacker rodsefficient sealing at lower cost                                           ease of application
Sealing Duct ShaftsConstructionPU foam cans, 2 part Bulk spray systemsmetal sheet etcefficient sealing at lower cost                                           ease of application
Filling free spaces, gapsBoat BuildingPU foam cans, 2 part Bulk spray systemsThermocolefficient sealing at lower cost                                           ease of application
Model making, design patterns etcFilm Production Set , interior designersPU cansThermocolEase of application                                               Flexibility in design                                               lower cost
sealing gap between cable and wires , gap between electric panel outletProcess plants ,Eg: Power plants, Paper Mills, Chemical PlantsPU foam spray cans ( 750 ml )Rubber gasket, Silicone sealants100% electrical insulation                                                                lower cost                                                      enhanced safety
Terrace WaterproofingWaterproofing2 part bulk spray systemThermal & waterproof coatings100% effective Thermal insulation and waterproofing
sealing gap between cable and wiresSolar PlantsPU foam spray cans ( 750 ml )Silicone sealants, Rubber packing etc100% electrical insulation and waterproofing                                                                 lower cost

Request a Consultation

Toll free no: 18001214771 | Whatsapp: 9699892782 | Email: sales@supex.in

Can expanding foam spray stop leaks?

expandable foam sealant
Even if water is sprayed directly onto it, it won’t allow it to travel through, acting instead as a barrier between it and the property within. This thermal resistance keeps cold air and water out: leaving the property within a comfortable temperature and, most importantly, completely dry.
 
Is expanding foam sealant permanent?
Don’t use expanding foam as a permanent solution to leaks. The expanding foam will fill the gap however should you not fix the initial water damage, the leak could move into other parts of the basement. Furthermore, the expanding foam isn’t completely waterproof and therefore over time it could break down.
 
Does Polyurethane expanding Insulation foam spray sealant stick better to wet surfaces?
Be careful, though; you want to dampen the area, not wet it. Foam sealant won’t stick well to a wet surface. You can also mist the foam after it’s applied to maximize expansion and speed up the curing process.
 
Can you use expanding insulation foam sealant twice?
Expanding foam in a can is a great way to seal up cracks and gaps around your home. But if you don’t clean out the spray tube after using it, it can become clogged with foam, making it unable to use again. To unclog an expanding foam spray tube, squirt liquid spray lubricant in the tube to soften the hardened foam.
 
How thick can you apply spray foam?
The ASTM E84 tests for most spray polyurethane foams limit the maximum installed thickness of foams to 4 inches or less. The ASTM E84 tests for some SPF products limit installations to a maximum of only 2 inches.
When NOT to Use Spray Foam Insulation
  • For areas that are too close to electrical boxes:
  • For areas too close to ceiling light boxes:
  • Open-cell spray foam on your roof:
  • For closed-cavity spaces:
  • If you have a history of skin, respiratory, or asthma problems
Summary
Expanding foam spray sealant
Article Name
Expanding foam spray sealant
Description
Types of expandable foam sealant, how to use, applications, Q&A
Author
Publisher Name
Anagha ASF LLP
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