The Guardian Material Warranty
Lifetime Limited Non-ProRated 50-Year Transferable Product Warranty
Interlock Metal Roofing Systems customers in Canada and the United States are backed by our company’s exclusive Lifetime Limited NonProrated and 50 yr transferable roof warranty. This comprehensive warranty is designed to give our customer’s maximum protection and peace of mind for a lifetime.
What does my roof warranty cover?
This is a material warranty for aluminum and copper roofing and cladding products manufactured by Interlock Roofing Ltd. (the “Manufacturer”). Interlock Roofing Ltd. warrants the Interlock® cedar shingle, tile, shake, slate, diamond and standing seam roofing panels, cladding and trims (“Product”) to be free from manufacturing defects that result in rusting, rotting, splitting, cracking (including splitting, cracking and perforation from hailstones measuring 1 1/2 inches in diameter or less) curling, losing impact resistance with age, burning and supporting combustion and which manufacturing defects materially affect the Product’s performance (“Nonconforming Product”), subject to the exclusions and limitations set forth in this certificate. Other products or materials used in the installation may have their own manufacturer’s warranty. The installation contractor will provide you with a separate workmanship warranty.
The Manufacturer warrants that the Product will resist wind speeds of up to one hundred and twenty (120) mph (193kph) when installed in accordance with IRL’s recommended installation procedures.
If there is Nonconforming Product during the Purchaser’s warranty term, the Manufacturer will cover its material and labor costs to repair, refinish or replace same, at its sole discretion, subject to the exclusions, conditions and limitations set forth in this warranty. Repaired, refinished or replaced Product is warranted for the remainder of the Purchaser’s original warranty term. The Manufacturer may at its sole discretion refund the Purchaser’s original purchase price. Any other extraordinary costs and expenses beyond the Manufacturer’s obligation set forth in this warranty shall be the Purchaser’s responsibility.
The Purchaser agrees to: notify Interlock Roofing Ltd. (the “Manufacturer”) immediately of any Nonconforming Product; provide the first opportunity to inspect the Product and provide all reasonable access to complete any service and cure any Nonconforming Product.
Who is the purchaser
The Purchaser is defined as that person whose name and signature appears on the installation contract. The Purchaser’s warranty remains in effect for the life of the Purchaser provided that he/ she is the registered owner of the Property, subject to the exclusions and limitations set forth in this certificate.
Is the purchaser an organization?
If the Property is owned by an Organization (including but not limited to, a corporation, an unincorporated association, a condominium, a cooperative housing arrangement, a religious organization, a governmental or public entity or a trust) at either the time the Purchase contract is signed or the Product is installed, the Product is warranted for fifty (50) years from date of Substantial Completion, excluding the coating which is warranted for thirty (30) years from the date of Substantial Completion. A warranty extended to an Organization can not be transferred or assigned.
Coating Warranty for Aluminum
The Manufacturer further warrants that for a period of thirty (30) years from the Substantial Completion Date, the aluminum Product’s Alunar® coating will not, under normal atmospheric conditions (this excludes corrosive, aggressive or industrial atmospheres such as those contaminated with acidic or chemical fumes): chalk in excess of a numerical rating of eight (8) when measured in accordance with the standard procedures specified: ASTM D659 or fade or change in color in excess of five (5) E units (NBS) calculated in accordance with ASTM D2244, paragraph 6.3. Color change shall be measured on an exposed painted surface that has been cleaned of surface soils and chalk, and the corresponding values measured on the original or unexposed painted surface. Fading or color changes may not be uniform if the surfaces are not equally exposed to the sun and elements.
When does the warranty take effect?
This warranty takes effect once the purchase and installation contract has been paid in full, without offset or withholding. This warranty will become null and void should any outstanding invoices, payable to the Manufacturer or the installation contractor, remain unpaid for sixty (60) days or more after issue or where the Manufacturer, or its representatives or agents, is denied access to the Property to perform inspections and/or service.
How do I transfer the warranty?
This warranty is transferable onetime only from the registered owner to the first subsequent registered owner of the Property (the “2nd Owner”). If the 2nd Owner is an Organization, the Organization must be the registered owner of the property. The warranty period for the 2nd Owner shall extend fifty (50) years from the Substantial Completion Date excluding the coating which is warranted for thirty (30) years from the date of Substantial Completion. This warranty can not otherwise be transferred or assigned.
The 2nd Owner must send written notice of the sale of the Property to the Manufacturer within sixty (60) days of same with the $300.00 transfer fee (“Transfer Fee”). The Transfer Fee must be payable to Interlock Roofing Ltd. and mailed to the company at 9969 River Way, Delta, BC V4G 1M8. A confirmation letter will be issued and is the 2nd Owner’s proof of warranty transfer. If the warranty is not transferred, the Manufacturer will be relieved of all of its obligations to the 2nd owner.
2nd Owner's limited product warranty
Once transferred, the 2nd Owner’s Product Warranty extends fifty (50) years from the Substantial Completion Date. If during the 2nd Owner’s warranty term there is Nonconforming Product, the Manufacturer in its sole discretion, will cover its material costs to repair, refinish or replace the Nonconforming Product, subject to the exclusions, conditions and limitations set forth in this Warranty. Any and all labor costs associated with same will be the 2nd Owner’s responsibility. Repaired, refinished or replaced Product is warranted for the remainder of the 2nd Owner’s warranty term. The 2nd Owner must give the Manufacturer the first opportunity to inspect the Product and provide all reasonable access to complete service and cure any Nonconforming Product.
How do I register a claim?
A warranty claim must be submitted in writing by email to:
or by regular mail to:
Attention: Guardian Warranty Claims
Interlock Roofing Ltd.
9969 River Way
Delta, BC V4G 1M8 Canada
The written statement should include your name, address, contact number, the warranty certificate # and a description of the issue. You will be required to submit, at your expense, photographs or other evidence of the claim. The warranty holder may be required to pay the costs of any color testing if the color loss proves to be within the measure units specified in this warranty. Written notice of a warranty claim must be provided to the Manufacturer within thirty (30) days of the issue becoming known to you. In the event it is not so notified, the Manufacturer will be relieved of its warranty obligations. The Manufacturer has sole discretion to determine whether the Product is considered Nonconforming. The Manufacturer must be given all reasonable opportunity and access to investigate a claim; travel charges may apply. Unnecessary inspections are costly and time consuming for both parties and the warranty holder will be responsible for a minimum $300.00 inspection charge for any inspection and/or service that is not a valid material warranty claim.
Our prime concern is your safety. Every year there are thousands of emergency room visits due to falls from ladders and roofs. We recommend that you hire a skilled professional for work that requires access to or traversing your roof.
Metal roofing sheds rain, snow and ice. In northern climates, weather patterns may allow for large amounts of snow and ice to accumulate. Be aware that snow and ice can build-up and release unexpectedly and ensure that the release area is free from pedestrian traffic and other property during the winter months to avoid injury to people and damage to property. Snow guards and snow-rails are designed to restrict the amount of snow and ice releasing but the use of these accessories may contribute to the build-up of snow and ice on your roof. If you would like additional snow guards installed on your roofing system or current snow guards removed or moved to another location, contact your installation contractor to arrange for this service. Snow guards and snow-rails are not a manufacturer’s warranty issue and service charges will apply.
Care of your roof
To ensure your roofing system is looking and functioning its best we advise homeowners to have their gutters cleaned annually and have any branches or other debris on the roof removed promptly.
The slope of a roof, general weather conditions, surrounding tree and shade cover and wind and sun exposure are determining factors in the accumulation of dirt and mildew and vary significantly from home to home. Any residue on the roof may be cleaned from the ground by lightly hosing down the roof with a well-diluted nonabrasive liquid detergent and a long-poled soft bristle brush. Debris or other items on the roof may be removed from the ground by using a long rope or pole. We recommend that you hire a skilled professional for work that requires access to or traversing your roof.
Condensation is caused by high levels of humidity and a lack of ventilation. It is often mistaken for a leaking roof. Ensure that your attic and other roof cavities are well-ventilated and that your eaves are free from blockage. If you have condensation issues consult with a professional builder as this may be an indication of poor ventilation, inadequate insulation and/or the absence of a vapor barrier.
This warranty does not warrant against and does not cover damages of any kind when due to any of the following: catastrophic weather events or other “Acts of God” (including but not limited to, earthquake, fire, flood and lightning); terrorism or other “Acts of War”; exposure to harmful chemicals, gases or toxins; impact of foreign objects; settlement or failure of any part of the building (including but not limited to the foundations, walls, chimneys, rafters, trusses or sheathing) and/or change in building use; inadequate or improper venting, insulation and/or vapor barriers; condensation; ice-damming; ice and snow shedding; hail damage (excluding splitting, cracking and perforation from hail stones 1.5 inches or less); pre-existing roof irregularities such as uneven roof lines, dips and/ or sagging and pre-existing conditions including but not limited to mold. This warranty also does not warrant against: the faulty installation or improper use of skylights, antennas, solar or hot water roofing system or high pressure washers; the use of accessories/products that do not properly receive, support or secure Interlock components; the use or installation of dissimilar metals including dissimilar metal fasteners. Roofing repairs, additions or alterations of any kind may void this warranty unless the accessories/products used and the work is approved in advance by the Manufacturer. Accidental or intentional damage and any damage which is a result of a violation or contravention of the building code will not be warranted in any way.
The warranty also does not warrant against: normal wear and tear, including minor scratches and dents; the accumulation of dirt and mildew; normal weathering of the roofing surface including minor color differences and aesthetic issues that do not affect the function of the roof including but not limited to oil canning.
Product which has been removed and reinstalled and/or altered or changed in design or function is not warranted in any way. Copper metal roofing naturally corrodes and tarnishes and therefore is not guaranteed against surface corrosion. While copper metal roofing develops into a patina, there is no guarantee that it will patina in a uniform manner or within a certain period of time as these factors are affected by environmental and atmospheric conditions.
Remedies and Limitations
The Manufacturer’s liability and the Purchaser’s exclusive remedy is limited to Product repair, replacement, refinishing or refund of the original Purchase price. The Manufacturer’s liability and the 2nd Owner’s exclusive remedy is limited to the Product repair, refinish or replacement excluding labor costs. The Manufacturer’s obligation under this warranty ends once the Purchase price is refunded and its’ obligation under this warranty shall in no event exceed the original Purchase price.
Any controversy or claim arising out of or relating to this warranty or the breach thereof, shall be settled by binding arbitration in accordance with the rules and procedures of the American Arbitration Association or in Canada, the Canadian Arbitration Association.
The Manufacturer reserves the right to discontinue or make changes to its Products. In the event the Products covered by this warranty are not available, it shall have the right to substitute Product that, in its’ sole discretion, is of equal quality or price.
The Manufacturer shall not be liable for any incidental, special, or consequential damages of any kind, including any damage to the Property, its contents or any persons therein resulting from, but not limited to; ice, ice damming, snow or ice shedding. Some states/provinces/territories do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitations may not apply to you.
This warranty shall not be modified or extended and no one is authorized to change this warranty in any way or grant any other warranty. This is the only written warranty provided by the Manufacturer. It reserves the right to cancel and/or modify this warranty without notice at any time; however, all fully paid warranties shall remain in force until their expiration.
This warranty gives you specific legal rights and you have other rights, which may vary from state/province/territory. This warranty is expressly in lieu of any guarantee and/or warranties, oral or written, express or implied except as are set forth herein, including any implied warranty of merchantability or fitness for a particular purpose.
*Alunar, Interlock and Interlock Lifetime Roofing Systems are registered trademarks of I.E.L. Manufacturing Ltd. and used under license.
Substantial Completion Date:
[If there is any conflict between the English and a translated version the English version will prevail.]
River Forest, IL 60305 — Roof Review — Very quiet
Bedford, MA — Roof Review — I would highly recommend this company-duplicate-1
Ottawa, ON — Roof Review — The three-person crew was very courteous
Ferndale, WA — Roof Review — We couldn’t be happier with the service and the product
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