Moisture Proof Barrier

A proper moisture proof barrier must be used on any type of wall system regardless whether it's wood, concrete, or anything else. If your home lacks moisture protection, you could be plagued with years of endless water damage, mold, mildew, and expensive repairs and replacements.

If you want to ensure that your home remains in excellent condition after years and years-do not eliminate the necessary steps required to prevent moisture from damaging your internal wall system, surface materials, windows, doors, and such.

Following is an interesting study on the performance of housewrap vs felt paper: See article on Housewrap vs Felt paper

Another important step is to appropriately add flashing above windows, doors and other moisture susceptible areas. The following website offers advise on this subject:

Go to: and then click on "Walls" located below "Tips for Builders & Designers" to find out how moisture barriers should be properly installed in wood wall systems.

While we are still on the subject of moisture proofing, don't forget about the bathroom. Moisture can build up within the walls causing serious mold, mildew, and structural problems if your bathroom is not properly constructed.

The following information from the EPA will help shed the light on mold:

Any wall, or ceiling for that matter, that will be in contact with moisture should either contain or apply a moisture proof barrier, such as a water-resistant gypsum board (aka: "Green Board") or cement based boards, which are available in several brands-just make sure you understand the proper procedure for installation in order to prevent moisture damage.

Proper caulking and sealing also play a big role in moisture prevention and air infiltration. The following article offers information on this subject:

Not only is it important to use proper materials and a moisture proof barrier system, but also proper ventilation plays a big roll in controlling moisture.

BuildWisely's Home Planning Guide

Go on to Step 6: Exterior Surface Material


1 Foundation

a) Types of Basement Foundations

b) Foundation Materials

c) Foundation Drainage

d) Basement Waterproofing

e) Natural Disasters

2 Floor Systems

3 Wall Systems

4 Windows and Doors

5 Moisture Proof Barriers

6 Exterior Surface Material

7 Insulation

8 Interior Wall Materials

a) Interior Wall Finish

9 Roof Systems

a) Structural Frame

b) Radiant Barrier

c) Roof Decking

d) Flashing and Bituminus Roofing Membranes

e) Roofing Felt

f) Surface Roofing Material

g) Attic Insulation

10 Ventilation

11 Plumbing & Fixtures

a) Water Distribution System

b) Drain Lines

c) Hot Water Heaters

d) Appliance Hookups

e) Water Softener Filtration System

f) Plumbing Fixtures

12 Electricity and Wiring

a) Electricity Sources

13 Climate Control

14 Your Home's Decor

a) How to be Organized in Planning Your Home's Decor

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