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IsoBoard Installation:
Surface Bed Insulation
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Surface Bed Insulation.
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IsoBoard Surface Bed Insulation
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Loss of heat through floors on concrete surface beds is experienced as a cold underfoot condition, particularly during winter when the supporting soils cool due to hygroscopic action of water. In order that rooms are heated or cooled energy efficiently, the floors need to be insulated from the surrounding soil bed.
Placed between floor screeds and surface bed to prevent room heat loss.
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Installed below refrigerated slabs of ice-rinks, freezer rooms and certain agricultural applications to minimise heat flow from warmer surface beds into cold room environments.
Installed below screeds of domestic and commercial applications where under-floor heating systems are installed.
Installed new or as a retro-fit to residential homes having under floor heating, who are interested in power cost saving.
"ISOBoard® high density 32-36kg/m3 rigid extruded polystyrene 100% closed cell insulation board of 25 mm thickness and 600mm width with tongue and groove joints laid on plastic sheeting(elsewhere) under reinforced concrete beds."
"ISOBoard® high density 32-36kg/m3 rigid extruded polystyrene 100% closed cell insulation board of 25 mm thickness and 600mm width installed upright against outer foundation wall to depth of 600mm secured with soil ballast."
Store boards flat within original packaging until required.
Boards are to be protected from adverse weather conditions and direct sunlight for the storage period.
Handle and install with care to prevent damage to board edges.
IsoBoard is readily cut to length on site using a sharp blade or hack-saw, or can be supplied cut-to-length by the Regional Distribution Centres.
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Application Guide
IsoBoard should be applied to a prepared soil foundation which is clean and true, after soil poisoning, and after application of a damp proof course.
Jointing between boards should be effected with the tongue and groove or shiplap profiles.
The reinforced concrete slab is poured above the IsoBoard, in accordance with the specifications of the Structural Engineer, with the reinforcing spaced above the board.
Care must be excercised to prevent board flotation during pouring.
The recommended surface perimeter installation method for IsoBoard
IsoBoard is installed vertically against the inner or outer foundation wall to a depth of 600mm, with the tongue towards the top. Secure IsoBoard with soil ballast.
Ordering of IsoBoard
For this application boards in lengths of 2400mm are practical.
Order boards with shiplap or tongue and groove edge profiles all round.
Consult your nearest IsoBoard sales office for advice concerning the appropriate thickness of IsoBoard required for your application.
Generally in South Africa 25mm thick board will suffice for domestic applications whilst up to 150mm will be required in the ice rink / freezer room applications.
Please click on the thumbnails below to see the detail on the schematics.
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