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CAD 3D BIM Files Collaborate

CAD 3D BIM Files Collaborate
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CAD 3D BIM Files Collaborate
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Uninsulated Loft Ceiling

Inadequately insulated Loft Ceiling (Insulation is depth of ceiling joists)

Top up insulation on top of and at right angles to ceiling joints and ceiling insulation

Squashed loft insulation with possessions stored on top of top-up insulation

Squashed loft insulation with possessions stored on loft deck boards on top of top-up insulation

If you remove the possessions from the loft deck boards, the boards continue to squash the loft top-up insulation

A step in the right direction:

Deep loft joists on top of and at right angles to the ceiling joists; but they form a thermal bridge through the top up insulation

An improvement:

Shallow loft deck joists in two layers, the first layer is at right angles to the ceiling joists and the second layer is at right angles to the first layer; top up insulation is laid between each layer of loft deck joists at right angles to the ceiling insulation layer below.
Thermal bridging is reduced to the joist crossings rather than the whole length of the joist in the previous diagram.

Sequential build up of LoftZone StoreFloor Loft Access/Storage Decking

Uninsulated Loft Ceiling

Inadequately insulated Loft Ceiling (Insulation is laid in depth of ceiling joists)

LoftZone StoreFloor supports and crossbeams bearing on ceiling joists

Loft Deck boards bearing on LoftZone StoreFloor Cross beams (partial installation)

Loft Deck boards bearing on LoftZone StoreFloor Cross beams (complete installation)

Possessions on the LoftZone StoreFloor deck and no squashed loft Insulation

3D CAD file available in SketchUp 3D and AutoCAD DWG formats

Line Drawing of 3D CAD file