INSTALLERS PLEASE READ THIS

GABLE END WALL SEAL – BAL SEAL 

BARGE B.A.L. FLASHING

Download PDF Copy of these Instructions Here

Barge B.A.L is a 0.55 metal channel flashing with a captured 350°C high-temperature rockwool fire resistance insert so that when the profiled wall sheet is compressed into it, on the end gable, under the barge cap it gives it an effective seal and meets the BA.L requirement.

First up you need to trim or set the wall sheet 10mm lower than the top of the roof sheeting. This allows the rockwool insert to compress. BAL seal can cater for variances in wall sheet length of up to 20mm and still seal.The rock wool can expand or compress as needed.

For the shed that has gable end wall sheets fixed to the trim angle on the roof battens you will need to slip the BAL seal between the wall sheet and the trim angleTek screw through the wallsheet and BAL Gable end seal to the trim angle, then fix barge capping into place.

Shed Gable End with Trim Angle BAL Seal

For sheds with a flush end wall frame where the tiop of the wall sheet screw to the Cee purlin rafter you can position the BAL seal to line up with the top of the roof sheeting and then tek screw it to the wall sheet, Fix the barge cap in place and pop some teks through the barge into the top of the BAL seal.

Flush End Wall Frame BAL Seal Application

B.A.L Flashing can also be used on the side wall of a shed. Adjust the wall sheet length by min 10mm and fix into place. By then applying Campbells Houseseal over the top you will also exclude embers from the roof sheet profiles. Do this before gutter brackets and guttering is applied.

BAL Seal Used on Side Wall of Shed

All of these methods can be done retrospectively. Suits all profiles of roof and wall sheeting, just specify when ordering.

B.A.L For buildings that have to meet the Australian Standard Bushfire Attack Level regulations, it is the responsibility of the installer to be aware of these requirements and to identify and close any gaps that exceed 3mm. When installed correctly this will exclude bushfire embers.

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