Interlock® Shake Specification Manual
Lifetime Roofing Systems ®
Interlock® Shake Interlock Shake is an interlocking aluminum roofing system. Each shake is coated with the Alunar® Coating System which provides an extremely durable and attractive surface. A complete range of color-matching trims are provided. It provides great advantages over conventional roofing, for the following reasons:
Lifetime Limited Warranty
Non-prorated, and one-time transferable.
Designer colors in a low gloss finish are available.
When fully installed, the Interlock Roofing System helps keep your home cool in the summer, and helps lower your energy costs.
Unique design provides incredible strength and protects against severe weather.
Environmentally Friendly Sustainable, recyclable and helps stop roofing material going to landfill.
Gauge of material 0.028” Aluminum base coated with: 12.5”
3 panel overlap
Shake Panel Detail
Roof Slope Minimum 3:12 when installed with an ice & water underlayment or 4:12 minimum with standard underlayment.
Cost reductions can be effected in specifying Interlock roof shake, as the weight factor is considerably less than a conventional roof.
6” 4” 3¼”
Side Wall Underlayment
Underlayment The entire roof area should be covered (prior to shake application) with synthetic roofing underlayment.
Sheathing Sheathing for the roof should be 1/2" minimum or closely fitting boards.
Depth of each course to weather 12 1/2" Truss Roofing underlayment Sheathing Exterior grade
Interlock Roofing Weighs less than 7% of the average weight of concrete tile roof, and less than 30% of the average weight of asphalt roofing materials. No special preparation is needed, resulting in less structural cost. Note: It is the responsibility of architects, builders and contractors to ensure that all applicable construction bylaws and building codes are adhered to.
1” ¾” 1½”
Gable Trim 1”
Valley Provides smooth, obstruction-free path for precipitation, no projections to catch debris or snow. Shake panels are folded into channel providing a weatherproof seal.
2 /16” 13
Sidewall Provides weather-tight seal around chimneys, etc. Manufactured in 10’ lengths.
Endwall Provides weather-tight seal around chimneys, etc. Manufactured in 10’ lengths.
Ridge Cap 12”
0.75" 15.5” 12”
Ridge Cap Venting Material
Roofing Clip Shake Panel
A B C D E F G H I J
Interlock Shake Starter Gable Underlayment Sheathing Ridge Cap Valley Trim Side Wall End Wall Ridge Vent J-Channel
Testing Reports ICC Evaluation Report 1790 Florida Report FL 7263 Texas Department of Insurance - Hail Impact UL2218 Class IV
Color Guide Interlock Roofing Ltd. offers a highly durable aluminum roofing product available in a range of different colors, opening up an extensive palette for homeowners and designers. Interlock® roofs are exclusively protected for a lifetime by the Alunar® Coating System.
Color and availability may change without notice. Product design and installation technique may vary from represented shown on manual. Installation methods may vary by structure, region, climate, and local building codes. Certain variables and factors specific to your home may inhibit the product’s ability to shed snow. Roofing products and components may change without notice. Please see our website for more information.
Interlock Roofing Ltd.
Interlock Roofing Ltd. 1-866-766-3388 www.InterlockRoofing.com 9969 River Way 1-866-766-3388 www.InterlockRoofing.com © 2015 The Interlock Group. Interlock®, Interlock Lifetime Roofing Systems®, Alunar® are registered trademarks of I.E.L. Manufacturing Ltd. and are used under license. Delta, V4G 1M8 TEFLON®BC is a registered Trademark of E.I. du Pont de Nemours and Company used under license. 9969 River Way, Delta, BC V4G 1M8
When installed properly, this product will help reduce energy costs. Actual savings will vary based on geographic location and individual building characteristics. SP20150417
© 2022 The Interlock Group. Interlock®, Interlock Lifetime Roofing Systems®, Alunar®, Never Re-Roof Again.®, and Arrow sign are registered trademarks of I.E.L. Manufacturing Ltd. and are used under license. SP20220308