Polythene Sheet For Concrete Block Basement Walls

Today most experts feel very strongly that engineered films designed specifically for use as vapor retarders should be used as vapor retarders.

Polythene sheet for concrete block basement walls.

Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls. The dos and don ts of waterproofing basement walls troubleshoot the causes and find the solutions to wet basement walls the sooner the better to maintain the integrity of your home. Finishing a portion of a basement is an inexpensive way to gain valuable space for a family room game room or other use. Hold plastic sheeting up to the wall and press into place when properly positioned.

Then remove the tape. We ll assume that you have either a poured concrete or a cement block masonry wall. Basement floors are formed by steel reinforced concrete poured in situ. I was told to put up plastic sheeting between the concrete wall and the studs insulation as a vapor barrier.

To clean the wall mix up a dilution of water and trisodium phosphate or tsp in a bucket. Start at the top of the wall and work over then down both pressing pulling and smoothing as you go. This can be formed by polythene sheet that is taped at the laps and laid over a compacted hardfill and sand blinding. Tape a one foot by one foot square of plastic sheeting plastic kitchen wrap will do to the concrete wall in your basement with duct tape and leave it in place for 24 hours.

There is almost no mess and the foam isn t itchy like fiberglass. Solve all moisture problems first. Follow the instructions on the tsp when measuring ratios of water to tsp. A concrete vapor barrier is a sheet of polyethylene plastic visqueen placed directly on top of the sub grade before a concrete floor is poured to keep moisture from passing up through the concrete.

Before attaching the vapor barrier to the wall it is essential that you wash the concrete to remove substances such as mold grease or sand. All concrete floors must incorporate a damp proof membrane dpm to ensure that moisture from within the ground does not penetrate through the finished slab. I friend of mine did this and he had water all over his carpet. He lifted up the ceiling and put his arm behind the wall and it.