Silver Creek Siding
(503) 710-7669

Why replace your siding?

Why Replace Your Siding?

Defective Siding

If any of these things sound familiar, it is time to replace the siding on your home, business, or apartments:

    * Your siding is prematurely failing because the product is defective.
    * Your siding is prematurely failing because it was installed wrong.
    * You want to increase or maintain the value of your home.
    * The condition of your siding prevents you from selling your house or asking full price for your house.
    * There are leaks or water damage that are most likely caused by the siding.
    * You are concerned that you might get dry-rot in your structural wall cavities if you do not replace your Siding.
    * Your family members (especially children) have respiratory problems caused by fungal growth on or in your siding or wall cavity.
    * You do not like the way your defective, ugly, or old siding looks.
    * You want to update or restore your homes beauty.
    * Your siding is failing because it is old or has been exposed to severe weather conditions.
    * You are tired of maintaining your siding in its present condition.

Defective Siding
Defective LP Siding
Defective LP siding

There are hundreds of potential siding related problems. Most of you visiting this site might be familiar with the obvious ones such as defective Louisiana-Pacific siding or hazardous asbestos shingle siding. However, siding problems could be the result of poor installation, extreme weather exposure, improper nailing, inadequate flashing, poor paint coverage, inappropriate caulking, fungal growth, or delayed maintenance. These are just a few samples of what might be causing your siding problems. The bottom line is you have a problem that needs to be addressed before it leads to more significant problems, costs, or headaches.

What is composite wood siding?

There have been well over 100 different types of wood composite sidings manufactured in the last fifty years. They have been manufactured to look like horizontal lap siding, panel (T1-11) siding, board & batten siding, cedar shingle siding, and just about anything else available in real wood.

Most wood composite siding products are made with wood by-products such as Orientated Strand Board (OSB) (also known as Wafer Wood) or sawdust. The by-products are generally mixed with resins and pressed together to make panels typically 3/8" to 5/8" thick. Next, faux wood-grain embossed overlays are adhered to the face of the panels with resin and heat. Finally, the large panels are cut into smaller panels or lap siding.

How to identify composite wood siding

The age of your home might be a good indicator of what type of siding you have.

Your home was built:

You might have:

1980 - 1998

Masonite Hardboard Siding

Masonite Omniwood Class Action Suit

mid 1980s - Dec. 1995

Louisiana-Pacific Inner-Seal Siding

Louisiana-Pacific Class Action Suit

1981 - 1999

Weyerhaeuser Hardboard Siding

Weyerhaeuser Class Action Suit

1982 - 1997

Stimson Forestex

1992 - late 1990s

Masonite Omniwood

Masonite Omniwood Class Action Suit

(most was installed in the Northwest 1994-1999)

after Jan. 1996

Louisiana-Pacific Siding

(Most likely the next generation product not covered under the class action lawsuit. You will need to file a warranty claim directly with Louisiana-Pacific if you are having problems.)
Consumer Alert!

Facts about residing over composite panel (T1-11) siding

June, 2001, Source: Bill Jacob - Former LP employee and consultant

There are severe problems associated with installing new siding over defective wood composite panel (T1-11) siding or any other type of defective siding.

Manufacturers: Louisiana-Pacific Corp., Masonite Corp., and Weyerhaeuser Corp.

Product Names: Inner-Seal Panel Siding, Omniwood Panel Siding, Weyerhaeuser Panel Siding

Other Names: T1-11 Siding, Sheet Siding, and Composite Panel Siding

Physical Description: Four-foot wide sheets of wood composite panels (similar to plywood) manufactured in eight, nine, and ten-foot lengths. Panels range in thickness from 3/8" to 5/8", however most panels are 7/16" (before swelling). Panels have either smooth, stucco, or wood-grain embossed surfaces. Some wood-grain panels have vertical grooves spaced every four to eight inches.

Problem: All panel siding must be removed and replaced during the residing process. If it is not removed, it will continue to deteriorate and cause future problems. Most siding companies mislead customers by claiming they can install new siding over defective panel siding. Some also claim they can kill any and all current and future toxic fungal growth by treating the surface of panel siding with a fungicide, bottom edge sealant, or borax rod treatment. However, most panel siding problems, such as dry-rot and toxic fungus growth, lay underneath the surface of panel siding and cannot be detected or eliminated without removing all of the panel siding. In addition, most new siding warranties will be voided if you install new siding over defective panel siding. They have limitations that explicitly exclude failure due to defects in the underlying structural sheathing, framing, or substrate (the material you're siding is nailed to).

Consequences: If you apply siding over composite T1-11 and later decide to sell your house, you may need to disclose this information to your realtor and any potential buyers. Failure to disclose this could result in future liabilities for all parties involved.

Acceptable Replacement Methods: There are two safe and acceptable ways to replace defective composite T1-11 panel siding. The first way is to simply remove it and replace it with a quality real wood panel T1-11. The second way is to remove it, install new sheathing, install new moisture barrier, and install new horizontal lap siding instead of T1-11.

Note from Silver Creek Siding: The reason we are bringing this information to your attention is so you can make an informed decision about composite T1-11. We see too many unsuspecting homeowners make decisions based on false information and bad advice. We are adamant about removing composite T1-11 because our experience has made us aware of all the serious consequences involved with leaving it on. This imperative information is probably why more people have trusted us to replace their composite T1-11 than any other company in the Portland area.

Siding Accessories
Weather Resistant Barrier (WRB)

illustration showing Moisture Barrier

Weather Resistant Barrier (WRB) is the layer of material that is installed between the exterior plywood sheathing and the siding. This layer is extremely important in order to reduce airflow and prevent moisture travel into the wall cavity. It is important to replace your WRB when you replace your siding. Your existing WRB will be damaged during the siding tear-off process. In addition, most WRB products were installed incorrectly when your home was built. We offer several WRB options including:

    * ASTM Rated 15 lbs. Felt
    * FortiFiber Super Jumbo Tex® 60 Minute
    * DuPont™ Tyvek® Homewrap®
    * James Hardie® HardieWrap™

Self Adhered Material (SAM) Window Waterproofing Details

To severely limit future moisture problems around windows and sliding doors we recommend applying an Self Adhered Material (SAM) window waterproofing wrap. This is a fantastic material that was originally developed for waterproofing roof systems. It is a 9" to 12" wide adhesive sealant strip that is applied around the perimeter of your windows and doors. Used in conjunction with a new WRB and flashing, it will help make the exterior of your home stand up to the tough Northwest weather.

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