Spray polyurethane foam will provide thermal insulation that will minimize air infiltration which can help to save on heating and cooling costs within the indoor environment.
Loft insulation roof vents.
Running vents which run the full length of the soffit boards.
This is my video on how to cure condensation and mould in the home.
Loft vent trays or rafter trays are often used to keep an air gap between the underside of the roof and the insulation too.
The main types as as follows.
If your roof peak runs parallel to the street put them on the backside where they ll be less prominent.
These are typically installed at the time of construction.
Place all the roof vents on the same side of the roof.
Loft ventilation comes in many forms but the most common in the uk and ireland are eaves vents and tile vents.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.
When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.
Different types of loft ventilation.
Increasing the level of insulation in your loft without providing additional roof ventilation.
Space attic vents evenly and mark the locations by driving nails up through the shingles photo 1.