23 Simpson St
Lawrence, PA 15055
Contact: 512-573-1977

Master Elite # 19811
PA Lic # 018587

You are in good company when choosing a Master Elite Installer Certified Contractor as only a select few roofers in Pittsburgh and elsewhere ever climb to the top of their profession and obtain this certification. A Master Elite Installer Certified Contractor is the equivalent of a student getting his PHD in his profession � few dedicate and work this hard to reach the pinnacle of knowledge & skill in their profession. If that alone isn�t impressive enough, check out more incredible GAF Facts:

Knox Construction "Pittsburgh Top Roofers Choice" 512-573-1977

Product Information

Shingle Colors

Photo Gallery

Documents & Videos


Aged Oak	Bristol Gray	Essex Green

Middlebury Brown	Sheffield Black	Welsh Gray

Note: It is difficult to reproduce the color clarity and actual color blends of these products. Before selecting your color, please ask to see several full-size shingles.

Grand Slate^{^{^�}}Lifetime Designer Shingles

"With massive, oversized tabs and an extra-thick dimensional appearance, Grand Slate^� shingles can hardly be distinguished from real slate - except by
the price!"

For Homeowners

The Authentic Look Of Slate...
Massive, extra-thick tabs and specially-blended color palette create the look of real slate shingles
Enhanced Shadow Effect...
Creates an even thicker, more dimensional look
Affordable Luxury...
Only a fraction of the cost of expensive slate
Super-Heavyweight �Plus� Construction...
Approx. 400 lbs. per square for ultimate durability (in fact, each layer of Grand Slate^� shingles is up to 60% thicker than each layer of many other �premium� asphalt shingles)
High Performance...
Custom specified, ultra-high performance Micro Weave^{^�}core provides better protection layer for layer
Safer...
Class A fire listing from Underwriters Laboratories � the highest rating possible (unlike some plastic or synthetic �slate� shingles, which carry only a Class C fire rating)
StainGuard^{^�}Protection...
Helps assure the beauty of your roof against unsightly blue-green algae²
Stays In Place...
Double row of Dura Grip^{^�}adhesive seals each shingle tightly and reduces the risk of shingle blow-off. Shingles warranted to withstand winds up to 130 mph!¹
Peace Of Mind...
Lifetime ltd. transferable warranty with Smart Choice^{^�}Protection for the first ten years (non-prorated material and installation coverage)²
Perfect Finishing Touch...
Distinctive Timbertex^{^�}ridge cap shingles with StainGuard^{^�}protection lend the perfect finishing touch

For Professionals

Quicker Installation...
Large, 17"x 40" size saves labor, allowing you to offer superior value and greater homeowner satisfaction
More Referrals...
Unique and distinctive design that other homeowners will notice!
Greater Customer Satisfaction...
StainGuard^{^�}helps assure the beauty of your roof against unsightly blue-green algae²
Less Chance of Call-Backs...
Shingles warranted to withstand winds up to 130 mph!¹

The many layers of a Grand Slate^{^�}shingle

Grand Slate layers

Diamond Cut^� Granules...
Multi-faceted design and light-reflective construction add dimension and depth to the shingle
UV Blocker (Granules)...
Protects against damaging sunlight which improves the durability and extends the life of the shingle
Color Lock^� Ceramic Firing (Granules)...
Maintains the true color of the shingle longer
Dura Grip^{^�}Adhesive...
Locks the shingles in place on the roof, gripping tight even in strong gale-force winds
SpecSelect Grading System (Asphalt)...
Use of finest quality asphalt improves weathering in harsh conditions
Micro Weave^{^�}Core...
Offers a superior strength foundation that resists cracking and splitting
FiberTech^{^�}Components (Core)...
Incorporates fibers that are non-combustible, providing a UL Class A
fire rating