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ISL Therm-A-Hinge | Intumescent Hinge Pad – 25 Pack
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It has been proved conclusively that the ironmongery fitted to fire doorsets with ratings over FD30 introduces a great weakness to the door’s overall performance, unless some additional protection is applied over and above that afforded by the normal door edge intumescent strip.
Time and time again, doorsets fail fire performance tests. This is due to the premature burn through by the upper and mid-height positions, and whilst this has been recognized officially in BS 8214 (1990), there has been no specific guidance offered to specifiers and installers as to what type of intumescent materials to employ.
Pastes and mastics are messy and it is difficult to control the rate of application, intumescent screw plugs are time consuming to fit and the normal 15mm or 20mm x 4mm do not have the extra volume of material required for satisfactory performance. However, Intumescent Seals have developed a tailored solution to the problem with Therm-A-Hinge which is a pre-sized backing pad of intumescent material that fits behind the lock set to create a fire door lock.
The Therm-A-Hinge intumescent hinge pad is produced from an exclusive LP material, developed as a low pressure intumescent sheet to withstand a full range of environmental conditions and flexible in nature for ease of installation. Therm-A-Hinge intumescent pads are fitted under both blades of the hinge and are simply trapped between hinge and timber, fixing screws can simply be driven through the intumescent material.
Therm-A-Hinge intumescent hinge pads should be under hinges on all fire doorsets with a rating of over 30 minutes, the rebate in door edge and frame should be cut 1mm or 2mm deeper than normal, to enable the pad to be placed under the hinge blade, with the hinge then ending flush with the timber.
The fire performance of Therm-A-Hinge backing pads has been proven many times in full-scale BS 476 Part 22 (1987) fire tests on doorsets of 60 minutes construction.Test reports available on request.
Therm-A-Hinge backing pads are stocked in the following sizes; 30mm x 100mm, 32mm x 100mm, 36mm x 100mm, 48mm x 100mm, supplied with either 1mm or 2mm thick self-adhesive and in packs of 25. The LP material can be manufactured in either 1mm or 2mm thick and can be supplied in lengths or pre-cut to match any lock. Please call or email Firewise at +44 (0) 1223 839 727 or [email protected] for a bespoke size.
Brand: ISL
Use Case: Fire
Applications: Doors
Test Certification: Tested to BS 8214:2008, BS 476: Part 22: 1987
Fire Rating: 30 Minutes, 60 Minutes
Material: Mono-Ammonium Phosphate
Finish: White
Fixing: Self Adhesive for Surface Mount
Included: 1x ISL Therm-A-Hinge Intumescent Hinge Pad, 1x Self Adhesive Backing
Length mm: 100mm
Width mm: 30mm, 32mm
Height mm: 1mm, 2mm
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