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ROOFING INSPECTION & REPAIR
AMERICAN CEMWOOD ROOFING
BEST ROOFING PRACTICES
BUILT UP ROOFS
CATHEDRAL CEILING VENTILATION
CERTIFICATIONS for ROOFING CONTRACTORS
CHIMNEY FLASHING Mistakes & Leaks
COLD WEATHER ROOF TROUBLE
DECKS, ROOFTOP CONSTRUCTION
EPDM, RUBBER, PVC ROOFING
EXTRACTIVE BLEEDING on SHINGLES
FIRE RETARDANT PLYWOOD
FLASHING on BUILDINGS
FLASHING, ASPHALT SHINGLE VALLEYS
FLASHING, CHIMNEY Mistakes & Leaks
FLASHING, CLAY TILE ROOFS
FLASHING MEMBRANES PEEL & STICK
FLASHING for METAL ROOFS
FLASHING ROOF WALL DETAILS
FLASHING ROOF-WALL SNAFU
FLASHING SIDING DETAILS
FLASHING WALL DETAILS
FLASHING WINDOW DETAILS
FLASHING WOOD ROOF DETAILS
FLAT ROOF MOISTURE & CONDENSATION
Green House or Solarium Roof Leaks
HEAT TAPES & CABLES on Roofs for Ice Dams
ICE DAM PREVENTION
MASONITE WOODRUF FIBERBOARD ROOFING
NOISE CONTROL for ROOFS
PLASTIC ROOFING TYPES
PVC, EPDM, RUBBER ROOFING
ROOF ARCHITECTURAL STYLES - PHOTO GUIDE
ROOF CLEANING RECOMMENDATIONS
ROOF COLOR RECOMMENDATIONS
ROOF DORMER TYPES - PHOTO GUIDE
ROOF INSPECTION SAFETY & LIMITS
ROOF JOB PROBLEMS, RESOLVING
ROOF LEAK DIAGNOSIS & REPAIR
ROOF NOISE TRANSMISSION
ROOF REPLACEMENT SNAFUs
ROOFING FELT UNDERLAYMENT REQUIREMENTS
ROOFING MATERIALS, Age, Types
ROOFING TILE SHAPES & PROFILES
ROOFING UNDERLAYMENT BEST PRACTICES
SADDLE CONSTRUCTION at CHIMNEYS
SNOW GUARDS & SNOW BRAKES
STANDARDS for ROOFING
STRESS SKIN INSULATED PANELS
TEST LABS - ROOF SHINGLE
TREES & SHRUBS, TRIM OFF BUILDING
TRUSSES, Floor & Roof
UNDERLAYMENT REQUIREMENTS on ROOFS
VENTILATION in BUILDINGS
WALK-ON ROOF SURFACES
WARRANTIES for ROOF SHINGLES
WORKMANSHIP & ROOF DAMAGE
Masonite shingles information website: this website provides detailed information about Masonite™ Woodruf™ fiberboard roof shingles and includes advice for home inspectors, home buyers, and homeowners where these roofing products are used. Several hardboard-based and fiber cement based roofing products have not performed as well as originally anticipated, experienced early failure, and were the subject of roof warranty claims. Masonite Woodruff, Cemwood, Hardishake/Hardislate, CalShake and Fire Free are examples of product names that have suffered these problems. This article explains Masonite Woodruf fiberboard shingle life, failures, and warranty claims.
Green links show where you are. © Copyright 2013 InspectAPedia.com, All Rights Reserved. Author Daniel Friedman.
See WARRANTIES for ROOF SHINGLES for our complete list of roofing maufacturer contact information and various roofing claims, settlements, and warranty information. Also see AMERICAN CEMWOOD ROOFING and for similar building siding products see SIDING HARDBOARD for hardboard siding product failures and warranty claims. For information about fiber cement roofing inspection, diagnosis, repair, and repalcement, see ASBESTOS CEMENT ROOFING.
Reader warning: plagiarist alert: beware of Infinity Roofing & Restoration who have copied our original InspectAPedia.com ® article below. Infinity's page http://www.infinityrooferblog.com/expired-roofing-alert-masonite%E2%84%A2-woodruf%E2%84%A2-fiberboard-roof-shingles/ (October 2010) has reprinted text from this website without permission. Notice sent 2x 10/27/2010. Only the claims lawsuit text at the very end of this document is public domain.
Woodruf™ roof shingles, a fiberboard roofing product, were a Masonite™ roofing product consisting of "pressure bonded fibers designed to resemble natural cedar roofing" sold in the United States into the 1990's and have also been found installed on homes in Canada.
Masonite Woodruf shingles were the subject of a class action lawsuit and settlement concerning the durability of this roofing product - we discuss the Woodruf roofing class action settlement below. However the Woodruf shingle claims period expired on January 6, 2009.
Our photo (left) shows how easily a Woodruf roof shingle panel can be identified if you have access to its under-side.
The roofing shingle product was produced in four-foot sections that were 12" wide and with a nominal thickness of 7/16". The actual thickness varies due to raised ridges that give Woodruf shingles the appearance of a wood shake or shingle.
Original Life Expectancy of Woodruf Shingles
While we have observed statements that the original life expectancy of Woodruf shingles was 30 years, 40 years, and even 50 years, (including some original Woodruf shingle brochures), our sources principally indicate that Woodruf shingles were marketed with a 30 year life expectancy. As of this artcle's last update (October 2010) there is no warranty service remaining on this roofing product.
Composition of Woodruf Fiberboard Shingles
The Woodruf™ shingle fiberboard was treated with a water repellant and a bonding agent to permit outdoor exposure. This product is softer than Masonite's hardboard products and to remain durable required an installation that permitted good roof drying (similar to the requirement for wood shingles or shakes). This is particularly true because the factory edges as well as any cut edges made during installation were not sealed.
Intended Use of Woodruf Fiberboard Roof Shingles
Masonite Woodruf roofing was intended for steep slope roofs and should not be installed on slopes lower than 4" of rise in 12" of run (a 4/12 roof). The shingles were to be installed over roofing felt on a sound roof deck, with a 9" shingle exposure and requiring eight nails per roofing panel.
Special Flashing Required for Woodruf Roofing Shingles
Common Defects and Signs of Deterioration found on Masonite Woodruf Roofs
Replacements for Masonite™ Woodruf Shingles?
Question: what is an appropriate replacement for Woodruf shingle roofs?
Reply: High quality laminate asphalt shingles or cedar wood roofing?
To replace a single roof shingle for the case you mention, you might try
A more general question has been brought by several readers about the appropriate roofing material to use when the entire Woodruf shingle roof is ready for replacement.
Our OPINION is that a high quality laminate roofing shingle would be an appropriate replacement for Woodruf in that case.
It may be a difficult argument to claim that the original Woodruf roof met the quality and durability expected by the building owner and that therefore its replacement should be a product of the same original cost. The durability and quality of Woodruf roofing that was anticipated by the manufacturer, roofers, and consumers was unfortunately not met, and is brought into question by the early failure issues that are well documented.
We would welcome suggestions about top-end in appearance and durability roofing products that meet the original life-expectancy claimed for the Woodruf product (and that deliver that performance).
Slate? Not likely to be technically possible due to weight and structure issues.
Wood? A close cosmetically similar roof would be red cedar shingles but there may be local fire and code issues, maintenance costs, etc. that won't appeal to some building owners, not to mention the short roof life if you install wood shingles over solid plywood decking - so is it cost justified to redesign the roof deck or add venting?.
Perhaps cement roofing tiles? Weight and appeaarnce issues. Do you know what product the other roofer wants to install?
All of the Woodruf roofing material information we have readily found is published at this website.
We are looking for early Woodruf Roof Shingle marketing brochures that included life expectancy statements - CONTACT us if you find such documents.
About the anticipated product life, we have seen life expectancy claims of 30, 40, and even 50 years but not a public document with those numbers.
We would welcome your views and added suggestions
Also see Masonite Woodruf® Roofing or Masonite OmniWood® Siding Lawsuit Settlement Notice - PDF file
If you qualify as an Eligible Claimant, you may be entitled to recover under the Settlement. However the claims period expired on January 6, 2009.
To be an Eligible Claimant, you must:
Eligible Claimants do not include persons, associations or entities who made claims or filed lawsuits against Defendants other than in the Smith class action, if they were represented by counsel other than Plaintiffs' Class Counsel in the Smith class action, and their claims or lawsuits were resolved by payment based upon the entire square footage of Masonite Woodruf roofing on the structure, full release or judicial action
The Woodruf shingle claims period expired on January 6, 2009. Current information about Masonite Woodruf settlement and claims assistance is available by calling 1-800-256-6990. This information is available on the Internet at: http://www.masoniteclaims.com.
If are experiencing a problem or failure with Masonite Hardboard Siding see SIDING HARDBOARD.
List of Fiberboard & Fiber Cement Roof Shingle Warranty Claims Companies & Websites
(George Podrug provided Masonite Woodruf roofing information for home inspectors in 1999)
Defective Hardboard Siding (similar products): see
Frequently Asked Questions (FAQs) about Masonite or Woodruf Roof shingles
Question: how do I get the life of mymy Woodruf or Masonite Roof Shingle, where is my warranty & where is the explanation of the replacement roof choice and its life expectancy
How do I get warranty info or any documentation explaining the life expectancy or comparable replacement for Masonite Woodruf? - Ben 2/27/2013
The contact information for the manufacturer of your roof is in the article just above. If you can provide the product name of what's on your roof and a reasonably accurate guess at when the roof was installed, the company should have no trouble giving you a copy of the appropriate warranty. It's important to have a good idea of when the roof was installed or when the material was manufactured because like many manufacturers, roofing product manufacturers may offer different warranty terms for products made during different eras.
If you are asking about the life expectancy of a replacement product you'd need to specify what the product is.
If you are asking about the existing product, given the failures already reported, and with not a shred of information about your particular installation, with respect, I'm doubtful that a guess about the remaining life of your roof would be more than wild arm-waving.
Most home inspectors, seeing a known-problem-product will be reluctant to bet their house and kids'education money on promising you any remaining life whatsoever, or more accurately, would report on the evidence of current leakage and give a warning that you need to be prepared (financially) to replace the roof at any time
If you can provide the product name of what's on your roof and a reasonably accurate guess at when the roof was installed, the manufacturing company should have no trouble giving you a copy of the appropriate warranty.
Watch out: It's important to have a good idea of when the roof was installed or when the material was manufactured because like many manufacturers, roofing product manufacturers may offer different warranty terms for products made during different eras.
Questions & answers or comments about Masonite & Woodruf fiberboard roof shingles, failures, warranties, class actions, inspection, maintenance, repair, or replacement.
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Technical Reviewers & References
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