A cavity barrier of fire resisting board or a wire reinforced mineral wool blanket 50mm minimum nailed to the rafter and carefully cut to fully seal the boxed eaves should be.
Party wall roof fire barrier.
Mineral wool fire stopping pictured below allows for the movement of the roof timber and avoids hogging of the roof associated with mortar fire stopping.
Provide 60 minutes fire stopping to 5nr party walls in the roof space of 6nr dwellings dublin.
Bradford fireseal party wall range is designed for installation between the top of a fire resistance level frl party wall and the roofing membrane.
This is where the roof sags either side of the hard point of the party wall if mortar is used as fire stopping.
The product is fitted along the length of the roof pitch from soffit to apex ensuring an effective and consistent barrier.
Its purpose is to meet the requirements for fire resistance between adjacent tenancies as set out in building codes and ordinances.
Fire barriers shall extend from the top of the foundation or floor ceiling assembly below to the underside of the floor or roof sheathing slab or deck above and shall be securely attached thereto.
As a labour saving easy to install fire resistant insulation product the rockwool fire barrier systems offer essential prevention against fire and smoke in hidden spaces.
Spandrel barrier is compressed between the top of the party wall blockwork and underside of the spandrel panel creating a fire and thermal break.
The work consists of fire stopping between the underside of the roofing felt and the top of the existing blockwork party walls.
It can result in the roof tiles being out of line.
As part of the comprehensive firepro range of products the rockwool fire barrier and fire barrier slabs feature a patented quick fix support system which offer a quick cost effective solution for periods of up to 60 minutes.
Such fire barriers shall be.
Fire barriers ibc 707 707 5.
Ideal for use in terraced as well as semi detached houses or areas with large roof spans.
Gaps between compartments should be sealed.
Separating walls should stop approximately 25mm below the top of adjacent roof trusses and a soft fire resistant packing such as mineral wool should be used to allow for movement in roof timbers and prevent hogging of the tiles.
U barrier arc spandrel barrier seals the top of the party wall cavity allowing a zero u value to be achieved when used in conjunction with arc t barrier vertically.
Description an intumescent coated 1220mm wide glass cloth curtain and 1000mm wide fireproof sponge barrier.