Sometimes members of the starling family have historically been called grackles. Tristram's starling is sometimes known as Tristram's grackle, and the hill mynas in the genus Gracula have also been called grackles.ometimes members of the starling family have historically been called grackles. Tristram's starling is sometimes known as Tristram's grackle, and the hill mynas in the genus Gracula have also been called grackles.
Waterproofing an old limestone foundation from the exterior with âClosed Cellâ spray polyurethane foam provides a water tight seal from the outside.
Spray foam insulation's air sealing properties are the primary reason for its superiority over fiberglass. Fiberglass, no matter how well it is installed, does not provide an air barrier and allows air to move through it.pray foam insulation's air sealing properties are the primary reason for its superiority over fiberglass. Fiberglass, no matter how well it is installed, does not provide an air barrier and allows air to move through it.