Compact green roof system Snitterton Hall, Matlock – South Darley, Derbyshire Client Paul Caplan Architects Bench Architects, Buxton, www.bencharchitects.co.uk Roofing contractor Green On Top; Contractor G F Tomlinson, Derby Construction 2012 FOAMGLAS ® application Green Roof Insulation , FOAMGLAS ® TAPERED F Snitterton Hall is a privately owned Grade specified to insulate the concrete deck Vapour proof 1 listed building in the heart of Derbyshire. above the subterranean swimming pool FOAMGLAS ® insulation Using traditional materials and craftsman - and glasshouse stonewall detail. supports ship methods, this important historical Installed with fully sealed joints, using bitu - green roof system house has been carefully restored to its men based cold applied adhesive, the all www.foamglas.co.uk former splendour. The addition of a new glass, closed cell FOAMGLAS ® insulation sub terranean swimming pool provides a does not allow for the passage of water modern contrast with the entrance, leading vapour and prevents the nuisance of inter - from the late Elizabethan-Jacobean style stitial condensation, associated with high gardens into the reinstated mid-18 th to risk buildings such as swimming pools. early-19 th century glasshouse. The ground The FOAMGLAS ® TAPERED T4+ insulation floor features an entrance lobby area, does not compress or deform under load; mezzanine with balconies and planters to offering compressive strength of 600 kPa, the north and south walls with edge the compact roof system fully supports the Build-up lighting to the glass fronts. A staircase pro - primary waterproofing layer and the loads 1 Concrete roof deck vides access to the subterranean pool level associated from the green roof build-up. 2 Primer coat 3 FOAMGLAS ® READY BLOCK or comprising stainless steel pool, sanitary 4 FOAMGLAS ® READY BLOCK spaces and the plant room. In order to TAPER ED, adhesive bonded allow access for the building works to take 7 5 Two layers of bitumen place, the dismantling and reconstruction waterproofing membranes 5 6 6 Separation / protection layer of the grade II listed curtilage wall was a 7 Planting central element of the works, containing 3 4 (extensive or intensive) both the structure and services to the pool. 2 Every stone was labelled, stored and meti - culously reinstated to its original position. 1 To eliminate risk from interstitial conden - sation, FOAMGLAS ® TAPERED T4+ was 1.