KIMMCO-ISOVER Building Slabs (KBS)

Product Application
KIMMCO-ISOVER Rigid Pipe Covering
KIMMCO-ISOVER Rigid Pipe Covering


  • KIMMCO-ISOVER Building Slabs are semi-rigid and rigid boards manufactured from stable glass fibers bonded with thermosetting resins. Capable of withstanding the extreme temperatures encountered in industrial applications or in flat roofing. Capable of withstanding normal loads met in domestic and commercial structures when used below floor screeds. Easy to handle and cut to suit intricate shapes. Light in weight, strong and resilient.


  • For thermal and acoustic insulation of concrete floors in order to reduce energy loses and transmission of impact sound.
  • For insulation of single leaf walls with dressed stone or marble facings and cavity wall construction, pre-cast structures and prefabricated buildings.
  • For thermal insulation of concrete and metal roof decks.
  • For thermal insulation of industrial applications; boilers, ovens, refrigerators, storage tanks, marine and road transport.

Facing & Covering

  • KIMMCO-ISOVER Building Slabs are available un-faced or with a variety of facings to suit the application such as bitumen, Kraft paper, canvas, or glass reinforced aluminium foil/Kraft paper laminate facing (FSK), glass reinforced aluminium foil/high intensity bleached Kraft paper (ASJ), metallized polyester, black glass cloth, Aluglass.
AvailabilityThickness (mm)Width (m)Length (m)
 Semi-rigid and rigid boards 25 mm  0.4, 0.6, 1.0, 1.2 1.0, 1.2, 2.4
40 mm
50 mm
75 mm
100 mm


  • WORKING TEMPERATURE: Fibre: 230 °C & 450 °C (for ovens and boilers insulation) upon request mentioning the working temperature.
    Foil face: 100 °C. At temperatures in excess of 230 °C, a limited migration of binder may occur in the insulation in contact with the hot face. This is no way impairs the performance of the insulation.
  • PERMANENCE: Dimensionally stable under varying conditions of temperature and humidity, rot proof, odourless, non-hygroscopic and will not sustain vermin or fungus.
Read more: KBS Catalogue

Also see the Material Safety Data Sheet MSDS

Concrete Floors Above D.P.C. Level

Cover concrete floor-slab with a suitable damp proof membrane, ensuring adequate coverage at pints. Membrane should be taken up vertical surfaces to finished screed level. KIMMCO-ISOVER Building Slab is laid directly on top of the damp proof.
membrane with edges close butted and joints staggered. Edge insulation consisting of strips of insulation not more than 2.5 cm thick cut from standard slab with a width to suit the specified screed thickness should be placed vertically against the walls, the bottom edge resting on top of the horizontal and vertical insulation with care taken to ensure that laps are well covered. It is recommended that the screed should be 60 mm thick with a galvanised mesh reinforcement laid into it.

Cavity Walls

Use galvanized, stainless steel or nylon hangers with retaining washers for holding the insulation in correct position. The 2" FSK overlap of KIMMCO-ISOVER Building Slab to be positioned at the bottom of each slab in order to cover the top of the underlying slab to protect the insulation from accidental water spilling during the outside wall construction.

Cavity Walls With Ties

Construction methods are only slightly affected by the use of KIMMCO-ISOVER Building Slab. The inner leaf of the wall construction should be cleaned of mortar protrusions before fitting KIMMCO-ISOVER Building Slab between each horizontal run of wall ties. Mortar droppings should be removed from top edges of insulation before placing the next row in position. The insulation must be placed against the outer face of the inner leaf of the wall. A minimum air gap of 1 cm should be left between the insulation and the inner face of the external wall leaf. This ensures normal drainage and ventilation of the cavities.

Joints between insulation slabs must be close butted with all vertical joints staggered. KIMMCO-ISOVER Building Slabs are held back against the face of the inner leaf by the drip prong of the wall ties, special clips or adhesive. In applications using marble or stone facings, it is important that the facing be tied back to the main structure, the ties to be inserted at joints between the insulation. Type and frequency of fixing depends on size and weight of facing material specified.

Read more KBS Catalogue