Insulated Solid Floor Construction

Insulation is laid on the concrete and covered with a screed.

Insulated solid floor construction.

In a solid or ground bearing because it is continuously supported by the ground across its whole area concrete floor the choice of insulation position relative to the concrete slab is commonly linked to the building s heating system. If the floor is a ground floor provide resistance to. Solid floor insulation cost. There will be a damp proof membrane under the insulation and possibly a second membrane on top depending on the type of screed.

Most modern homes have a solid floor for example. Insulating solid ground floors below ground bearing slab sand blinding and hardcore radon barrier dpm quinn therm qf pir insulation boards quinn lite pac eps insulation boards quinn therm edge insulation concrete slab on separating layer timber flooring on polyethylene slip sheet sand blinding and hardware radon barrier dpm quinn therm. The panels provide a continuous energy efficient surface. Insulating a solid floor.

Solid floors are insulated using rigid insulation foam which can be fitted either above or below the concrete. Insulation under ground floor slabs is a good way of meeting the increased requirements of parts l f of the building regulations. A typical way of constructing a solid floor would be to provide a base of hardcore with sand blinding with a layer of concrete over that. Most newer properties will already have solid floor bases constructed directly below a room especially on the ground floor.

These can be fitted with new rigid concrete solid flooring or fixed plasterboard that should help fill any cracks or gaps formed over time and improve the overlay s insulating properties. Read more about changes to thermal elements in the external walls section. The building regulations backstop target u value for ground floors is 0 25w m2k which should be easily achievable with 75mm or 100mm thick rigid insulation boards laid over the surface. Renovation of more than 25 per cent of a solid or suspended floor involving the replacement of screed or a timber floor deck would have to meet the standards required by the building regulations approved documents.

Polyurethane pur is a more effective insulator than expanded polystyrene eps meaning a thinner board can be laid to achieve the same results. For solid concrete floors make sure that if they need to be replaced your builder puts in insulation you have to insulate a floor when it is replaced in order to comply with building regulations. These sections deal with in one way or another the values called u values which a home should be insulated to and the energy which is saved by implementing this insulation. The studs conduct more heat than the insulation between them.