DL460 – Flush Eaves to Masonry Cavity Wall – Bobtail Truss With Insulation at Ceiling Level

Price range: £9.00 through £14.00 + VAT

This detail illustrates a flush eaves junction using a bobtail truss roof structure to maintain full ceiling-level insulation over a 150mm masonry cavity wall. The wall includes facing brickwork and blockwork with full-fill mineral wool insulation, internal service void, and plasterboard finish. The pitched roof includes clay roof tiles, low vapour resistance underlay, and 400mm mineral wool insulation at ceiling level. The bobtail truss design allows the insulation to extend to the wall line, enhancing thermal continuity. Ventilation is provided via over-fascia and rafter ventilators.

See drawing notes for full information.

Features of this detail: masonry cavity wall, pitched roof, bobtail truss, full-fill mineral wool insulation, ceiling-level insulation, clay roof tiles, vapour control layer, over-fascia ventilator, rafter ventilator

£14.00 + VAT
£9.00 + VAT
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11 Nov25 DL456-DL470 Roof Details

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