DL461 – Corbelled Eaves to Masonry Cavity Wall – Bobtail Truss With Insulation at Ceiling Level

Price range: £9.00 through £14.00 + VAT

This detail presents a corbelled eaves junction with a bobtail truss roof structure, allowing ceiling-level insulation to extend to the edge of a 150mm masonry cavity wall. The wall is constructed with facing brickwork and blockwork, fully filled with mineral wool, and includes internal service zone insulation. The corbelled brickwork extends up to half a brick width, providing support for the eaves. The roof features slate tiles, a low resistance underlay, and 400mm of mineral wool insulation at ceiling level. Ventilation is provided via over-fascia and rafter ventilators, and timber boards are used to prevent wind washing.

See drawing notes for full information.

Features of this detail: corbelled eaves, masonry cavity wall, pitched roof, bobtail truss, brick cladding, ceiling-level insulation, mineral wool, vapour control, eaves ventilation, rafter and over-fascia ventilators

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

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