damp-proof course

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Noun1.damp-proof course - a course of some impermeable material laid in the foundation walls of building near the ground to prevent dampness from rising into the building
row, course - (construction) a layer of masonry; "a course of bricks"
References in periodicals archive ?
Janice Scott AI WOULD check that you haven't bridged your damp-proof course.
Can I insulate over the damp-proof course to the floor or do I leave a gap at the bottom of the wall so the damp-proof course remains exposed?
These drip down on to the ground and the splashback can soak the wall well above the damp-proof course.
If your home doesn't have a damp-proof course, or it's defective, you'll need a damp specialist to install one.
The damp-proof course consisted of three courses of blue brick.
If your home's damp-proof course is being prevented from doing its job properly, this can also cause damp.
The last thing to check is the damp-proof course which is low down on the wall.
The damp-proof course company wants pounds 75 to assign it to me.
Janice Scott, by email di an bu AI would check that you haven't bridged your damp-proof course.
If they are low, along the full length of the wall, it''''s rising damp and you need your damp-proof course checked.