The first thing to consider when looking into different types of concrete floors is why it s so important to insulate the floor slab.
How to insulate existing concrete floor.
How the floor will be used.
This material is similar to concrete but doesn t contain cement consisting instead of lime and aggregate and so provides a floor slab that is vapour permeable.
How to insulate a garage floor above a concrete slab.
Check out this article for a list of slab edge insulation solutions and episode 125 for my interview with henry edney of maxraft.
Much depends upon whether the floor is new or existing.
Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient.
The type of construction and what you want to achieve.
Insulate existing concrete.
If you know you have issues with moisture tend to those problems before installing the insulation.
There are a number of different ways of insulating a concrete floor.
1 to prepare for insulating the floor first evaluate the condition of the concrete.
If a concrete floor is being replaced because it is causing damp or other problems limecrete offers an alternative.
Replacing a concrete floor.
Add wire insulation hangers as needed to ensure a more secure hold.
Dealing with the edges the foam insulation and two layers of plywood can add as much as 2 inches of height to the garage floor.
Insulating the floor in a renovation or conversion is challenging but even more important as it is unlikely that there is adequate insulation in the existing sub floor.
Up to 80 of heat loss in a floor slab occurs around the edges.
Also check the floor for smoothness and level.
Super insulating an existing floor may pose problems with room heights in many buildings.
Insofast is a diyers dream a simple way to install insulation needing only a hand saw utility knife and caulking gun.
But when adding insulation to an existing slab the vapor barrier is laid over the top of the slab before the foam insulating panels are installed.
Place it into the space between your existing floor joists relying on friction to hold it in place.
Most modern buildings have insulation built into the floor structure.