External Wall Insulation Types

External wall solutions comprise of an insulation layer fixed to the existing wall with a protective render or decorative finish.

External wall insulation types.

In most cases it is slightly inside the external surface. Once the insulation is in the wall and sealed up with drywall it is not easy to change out. The effect of external insulation is to warm the wall and this in turn moves the dew point outwards towards the colder external air thereby reducing the risk of condensation appearing on the internal surface. Gypsum sheathing is a type of sheetrock meant to be used in exterior applications.

Adding insulation to a wall will change the place where the dew point occurs. Spray foam is one of the more unique wall insulation types. It s perfect for solid wall buildings where cavity insulation is impossible and internal insulation would mean sacrificing too much space. Spray foam wall insulation.

Placing insulation on the exterior has the added advantage of containing the thermal mass of the blocks within the conditioned space which can moderate indoor temperatures. External wall insulation is fast becoming one of the most popular ways to insulate a home. It is more effective to install insulation over the surface of the blocks either on the exterior or interior of the foundation walls. Gypsum exterior wall sheathing.

It starts out as a liquid during the installation process and hardens into thick foam after a few minutes. It may be combined with fiberglass or it may simply be made of gypsum and given a waterproof exterior finish. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. The most common insulation materials are fiberglass cellulose and foam.

It s also a chance to update the look of your home with options ranging from brick effect finishes to coloured. While not as popular as other types of sheathing this material does have some particular uses that keep it in business. The thickness of thermal insulation is dependent on whatever type is required in order to create. An external wall insulation system or ewis is a thermally insulated protective decorative exterior cladding procedure involving the use of expanded polystyrene mineral wool polyurethane foam or phenolic foam topped off with a reinforced cement based mineral or synthetic finish and plaster.

Some spray foam offers twice the r value of traditional batt insulation making it a useful option for insulating shallow spaces. The type of insulation you need depends on which type is currently installed and the required r value.