4.3.4 Roof: Flat or Tapered Insulation (Cold Adhesive) with Membranes and Timber Decking
Foamglas® Ready Block (T4+)
Foamglas® Slab (T4+)
See 'Options' below.
Two layers of bituminous waterproofing membranes, top layer UV-resistant, as section J41, clauses 400 or 405
Substructure with wooden grating, as section Q55, clause 120
|Standard product features|
- Foamglas® Ready Block (T4+):
- Foamglas® Slab (T4+):
Foamglas insulation, factory produced with a tapered thickness, is available in a wide range of gradients from 0.55% (1:180) to 6.7% (1:15). Contact manufacturer for further information as a bespoke tapered CAD design service is available.
Use standard flat slabs for upstands and flat gutters. For insulation thicknesses of ˃180 mm, use double layers of minimum 90 mm per layer.
A bespoke tapered CAD design service is available.