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EVERBUILD FIRE MATE SEALANT FIRE RATED INTUMESCENT ACOUSTIC ACRYLIC PROTECTION

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Details

EVERFLEX FIRE MATE is a five hour rated, one part, emulsion acrylic based, intumescent Acoustic sealant that gives a firm yet flexible seal to joints in a variety of fire rated structures. Tested following the principles of BS EN 1366-4:2006 as detailed in Warrington Fire Research Report No. 181967 (May 2009).  Acoustic rated to BS EN ISO 140/3. Tested for air permeability to EN13141-1. The product, in suitably designed joints will resist the passage of fire for up to 5 hours. The selected fillers used in this formulation also make it suitable for use as an acoustic sealant.

 

Benefits

  • When exposed to heat, it swells greater than 3 x its original   size, so creating a char that will resist the passage of  fire for up to 5  hours.
  • No priming required for most construction substrates
  • Permanently flexible with more than 100% elongation to ISO8339
  • For use in joints up to 50mm wide.
  • Excellent acoustic properties for sound deadening - Average noise reduction of 35.9db (100-3150Hz)
  • Non slump - easy to apply and tool off.
  • Fast cure - tack free in 15 minutes.
  • Overpaintable.
  • Certified under the harmonized European standard EN15651 for façade for interior applications in compliance with the Construction Product Regulation

 

Areas For Use

  • Sealing joints, voids and irregular holes in fire walls, partitions and other structures; also for maintaining the integrity  of pipes and cables that penetrate them.
  • For internal perimeter pointing of fire rated door and window frames.

 

Surface Preparation

All surfaces must be clean, dry and dust free.  All loose or flaking surface coatings, and old sealant and mastic joints, should be removed before application.

 

Application

The surfaces to be must be clean, dry and free from dust, grease and other contaminants.

Improve adhesion by wiping surface with EVERBUILD GLASS CLEANER allowing all solvent to evaporate before applying sealant. Priming is generally not required, although we always advise testing small areas prior to use. Large voids should first be filled with EVERBUILD FIREFOAM B1 to maximize fire rating.

 

Cut the tip of the cartridge taking care not to damage the thread. Apply nozzle and cut at an angle of 45o with an opening slightly larger than the gap to be sealed. Apply using a standard sealant gun. Best results will be obtained by keeping an even pressure on the trigger and keeping the gun at a constant angle to the surface being sealed. To ensure a proper bond, always smooth the sealant down with a spatula or piece of wood wetted with linseed oil or white spirits. An improved joint appearance can be achieved by placing masking tape to both sides of the joint, removing within 5 minutes of application

Single seal joints should be on the fire rated side of the structure.

 

Specific Data

 

 

Slump:

Nil in joints up to 50mm and 0mm to ISO7390

Max Joint Width:  

50mm

Working tome:

10 minutes

Skin over time:     

10 minutes

Tack free time:

15 minutes

Joint movement:  

+ - 5% of original size

Cure rate:   

3mm/24hrs at 50%  Relative Humidity +23°C

Fire test temp:

1160°C - intumescent @ ca. 135°C

Cleaning:

Uncured with a dampened cloth

Packaging:

C3 plastic cartridges

 

 

 

FIRE RATING TABLE

 

FIRE TEST RESULTS – WALL SPECIMENS

 

 

SPECEMIN

GAP FACE MATERIAL COMBINATION

WIDTH/DEPTH MM

BACKING MATERIAL

INTEGRITY (MINS)

INSULATION

(MINS)

E

Aerated concrete/steel

30/15

PE open cell foam

300

91

F

Aerated concrete/aerated concrete

20/10

PE open cell foam

300

300

G

Aerated concrete/aerated concrete

10/10

PE open cell foam

300

#

H

Aerated concrete/aerated concrete

30/15

PE open cell foam

300

215

 

 

FLOOR SPECIMENS

 

 

SPECEMIN

GAP FACE MATERIAL COMBINATION

WIDTH/DEPTH MM

BACKING MATERIAL

INTEGRITY (MINS)

INSULATION

(MINS)

A

Aerated concrete/aerated concrete

30/15

PE open cell foam

300

66

B

Aerated concrete/aerated concrete

20/10

PE open cell foam

300

133

C

Aerated concrete/aerated concrete

10/10

PE open cell foam

300

#

D

Aerated concrete/aerated concrete

50/25

PE open cell foam

300

214

 

 

# Evaluation against the insulation criteria of the standard could not occur due to the width of the specimen.

The overall test was discontinued after a period of 300 mins.

 

Health & Safety

Consult MSDS for full list of hazards

 

Storage

Store in cool dry conditions between + 5’C and 30’C.  PROTECT FROM FROST

Additional Information

COLOUR COLOUR

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