Therm-A-Foam

Therm-A-Foam provides a moisture resistant intumescent seal.

APPLICATIONS

The table below provides a guide to the correct Therm-A-Foam dimensions for a range of building joint widths and fire resistance requirements.

Fire Resistance
                            60 mins        90 mins       120 mins       180 mins        240 mins
Gap Width           Depth of Firefoam fill required

10                           25                 25                  25                  35                  40
20                           25                 25                  30                  40                  50
30                           25                 25                  30                  40                  50
40                           30                 30                  35                  45                  55
50                           35                 35                  45                  60                  75
60                           35                 35                  45                  65                  90
70                           40                 40                  50                  75                 105
80                           40                 40                  50                  85                 105
90                           45                 45                  55                  85                 105
100                         50                 50                  60                  85                 105

Linear dimensions in mm

FEATURES & BENEFITS

Therm-A-Foam is a preformed linear joint seal comprising one or more layers of 10mm or 20mm flame retardant polyurethane foam coated on both sides with Therm-A-Flex intumescent material.

These layers are combined to produce a product suitable for sealing a range of gaps sizes in building structures.

The flexible open cell foam structure allows Therm-A-Foam to compress by approximately 50% thereby enabling it to take the 
shape of the building joint it is protecting.

At approximately 180°C the installed Therm-A-Flex begins to expand. During this expansion the flame retardant foam degrades and is replaced by the expanding intumescent graphite thus providing fire protection to the building joint.

Product ref: FM10

Product categories: Structural Fire Seals

Specifications

HOW TO SPECIFY

Please Quote, (Product Ref/Length/Colour/Quantity) (Example: FM10/1m/Black/100)

FM10
10mm - 100mm
1m
Black
25mm - 105mm

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Contact Intumescent Seals

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Call us on 01223 832851

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