Using Styrofoam For Flat Ceiling Roof Insulation

Of the three basic types blown in insulation is the easiest to install but it requires a skilled professional.

Using styrofoam for flat ceiling roof insulation.

Also called styrofoam insulation this is the least expensive material. Cold roof systems are highly inadvisable as insulation from the inside will inevitably lead to the formation of condensation. It is available in all different size configurations to accommodate lots of different applications. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced.

Roofing insulation is one of the most important and misunderstood building components. In that situation the foam would be sprayed directly to the backside of the roof sheathing resulting in an un vented roof. As part of insulating your flat roof be sure to contain and seal all bypasses. A very energy efficient enclosure results.

Choose this option for areas that need a good amount of strength and water resistance. What insulation to use. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Cold roof a very bad idea.

Some products have reinforced facing to make them sturdier. Insulating an attic usually means you have a lot of room for insulation and you will need high r value so that is why the cheaper options are more popular blown cellulose or blown fiberglass. This is by far the most expensive option. There are many different types and installation methods out there along with a lot misinformation about which products offer the greatest energy savings.

This type of un vented roof has proven reliable when properly installed. Such an insulating solution involves applying several layers of pur foam with each layer around 1 2 cm thick. Spray foam using spray foam would be an excellent option. It provides r values that range from 3 6 to 4 2 per inch.

That styrofoam insulation will work but it is not cheap per r value however it gives you a great r value per inch. Closed cell polyurethane spray foam will prove ideal for thermal insulation of a flat roof. Looking upward through the open ceiling if the exterior wall and roof deck assemblies both contain spray foam then a continuous insulation and airtight layer is established from the base of the walls to the peak of the roof. This is then covered with a further weatherproofing layer.

To produce a hot roof rigid insulation is fitted outside above the weatherproofing. One common use of extruded polystyrene foam board is for foundation insulation panels. Image courtesy of d7 spray foam insulation houston tx. Blanket insulation or rigid styrofoam will be the least expensive but depending on the accessibility it may be difficult to.

The effective roof insulation layer may range in thickness from 3 to 12 cm as needed. It provides about r 5 per inch.