What is the difference between damp proofing and waterproofing?

What is the difference between damp proofing and waterproofing?

There is a distinct difference between dampproofing and waterproofing. Dampproofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. ... Dampproofing is a coating, usually asphalt-based, that is either sprayed on or hand applied to the outside of the wall.

When should I use damp proofing?

The International Residential Code (IRC) specifies that “any concrete or masonry foundation walls that retain earth and enclosed interior spaces and floors below grade shall be damp proofed from the top of the footing to the finished grade.” Waterproofing is required only “in areas where a high water table or other ...

How long does it take for damp proofing to dry?

Rising damp affected walls can take up to 6 months to dry out for a 150mm thick wall and will even take longer for thicker walls. The general rule is that it will take one month for each 25mm thickness of wall to dry after the rising damp has been stopped.

Do most old houses have damp?

Designed and built using different methods to those we use now, old properties have a tendency to experience issues with damp and condensation.

How much does it cost to fix damp walls?

Whole House Damp Proofing Prices
Types of DampDamp TreatmentAverage Cost
CondensationInstall a damp proof course£280 - £2000
Penetrating dampApplying damp proof paint to walls£370 - £500 per room
Rising dampDamp proof walls with tanking slurry£2000 - £6000

Should you insulate your walls?

Good insulation stops the flow of heat into and out of the home. ... Insulation on exterior walls puts a blanket-like barrier between your living area and extreme outdoor temperatures. Insulating your walls can prevent this by limiting air movement, enabling you to save up to 40 percent in heating and cooling bills.