To resist the entry of vermin and insects.
To maintain appropriate air and surface temperatures.
To resist the ingress of precipitation, water or moisture from the exterior or from the ground.
To facilitate the dissipation of water and moisture from the building.
To resist the entry of vermin and insects.
To maintain appropriate air and surface temperatures.
To resist the ingress of precipitation, water or moisture from the exterior or from the ground.
To facilitate the dissipation of water and moisture from the building.
To resist the entry of vermin and insects.