About Underfloor


For years the area under the house, the solemn, sub floor void, crawl space or equivalent,  will have been sealed with hot tar or pitch, this will have broken down due to age and people having to crawl across it to do rewires, plumbing etc. So what to do, the average preservation company will cover the entire area with 1000 gauge polythene and cover with foam concrete or just a ballast type chip, this will work well but is dated.  Alliance has an alternative method for this.