double pour
In built-up roofing, two separate applications of a top coating of bitumen and surfacing; esp. used on level roofs designed […]
Glossary
Glossary
double porch
A two-tiered porch in which the porches on the first and second stories appear to be virtually identical in design.
Glossary
double-pole switch
In electric wiring, a switch which has two blades (and associated contacts) for opening or closing both sides of a
Glossary
double-pole scaffold
A scaffold supported from the base by a double row of uprights, independent of support from the walls and constructed
Glossary
double-pitched roof
A roof having two flat slopes on each side of a central ridge; for example, see gambrel roof.
Glossary
double piled
Said of a house that has two parallel rows of rooms which are separated by a corridor.