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Welcome

 David Beitz Construction has completed more than 10,000 installations in the greater SD & G-Cornwall area since 1989. This begins with our fully trained Cornwall roofing contractors and insured roofing professionals. There is nobody better, which is why we offer a written workmanship warranty. Ask about our Roof Repair Service – it could add years of life to your roof.

Don’t settle for here-today-gone-tomorrow roofers who may not be around to honour a roof guarantee. Call David Beitz Construction  for Cornwall roofing contractors.

• Roof replacement, maintenance & repair
• Flat roofs
• Building restoration
• Siding
• Soffit, fascia & eavestroughing
• Skylights & sun tunnels

Choosing a Roofer for Your Glengarry County HomeSafety and experienced installation are important when choosing a roofing contractor in Cornwall. By law, roofers need to be properly insured and trained to be able to work above 3 metres. The roofers at David Beitz Construction are registered with the Workplace Safety & Insurance Board and are trained, certified and insured for your safety and theirs. We also provide free estimates that clearly break down the costs of each restoration or repair to your roof – we’ll be happy to go over each item and answer any questions you may have. For more information on how to choose the right roofer for your home, read these tips from the Ontario Ministry of Labour.

Free Estimates for Homeowners & Insurance Companies From renovating your home to repairing damage to your business, David Beitz Construction offers estimates with a detailed description of the work to be done, using SkyMeasure Technology. Book an appointment at your site in the Greater Seaway Region. We prepare estimates for our clients, including:
Insurance companies
Adjusting firms
Commercial & residential properties Professional Affiliations

Covered by WSIB, #7022824/305460
BP Certified Roofer #00003-65, Platinum Member since 2004
Insured with AVIVA Insurance Company of Canada – Policy #HARS 1362090
Canadian Asphalt Shingle Manufacturers’ Association – CASMA

our services

General Contracting and Roofing in Cornwall 
David Beitz Construction has been roofing in Cornwall since 1989. As a general and roofing contractor we have built our reputation as a local company well-known in Stormont, Dundas and Glengarry Counties for our reliable roofing, restoration and renovation services. We take time to collect, document and clearly explain the details of the scope of work you need for your home or business.
For home and business owners, insurance companies and claims adjusters, David Beitz Construction offers free estimates and emergency services for clients in our territory, including:

Cornwall - Grenville - Prescott - Morrisburg
Greater Seaway Region
Stormont, Dundas and Glengarry Counties

Certified Roofer

David Beitz Construction is a roofing contractor certified by Building Products of Canada. An entirely Canadian company, BP provides high-quality roofing materials and training according to stringent standards. You also receive superior underlayment technology from InterWrap® help protect your roof from ice damming and moisture penetration.

New Roofing

When you need new roofing, David Beitz Construction is your solution. We offer the removal and installation of shingles as well as steel and rubber roof systems consisting of flats, low slopes and steep pitched roofs.

Roofing Repairs

Inclement weather and a host of other reasons may cause damage to your roof. Should that be the case, we provide a variety of repair services, including: steel roofing,  BP architectural shingles and Malarkey shingles.  We are also able repair flat roofs using DuraTac™ 2-ply membrane.

Roof Flashing

Whether you’re constructing a new home or making exterior changes, it’s important to install flashing in order to protect your home from leaks that may potentially cause structural damage. David Beitz Construction provides custom-made chimney, wall, skylight and transition flashing.

Skylights

A popular choice to add natural sunlight to your home is through either a Velux skylight or sun tunnel. David Beitz Construction will install, new skylights or sun tunnel and complete inside and outside work.  We can also repair or replace existing skylights within the parameter of your existing wells.

Ventilation

Maintaining a consistent airflow in your attic will greatly reduce the chances of wood rot and mildew as well as damage to your roof deck. Having David Beitz construction install standard roof vents, soffit vents, ridge venting or maximum vents will give you peace of mind.

Written Guarantees

At David Beitz Construction, we strive for our customers to feel confident and assured in our work, and that’s why we offer a written guarantee of all our work.

Restoration & General Construction

Has your home or business suffered fire and water damage? Call David Beitz Construction for an emergency response. We provide detailed descriptions and free estimates for restorations and repairs to your property, including for your insurance claim.

For comprehensive general construction and project management for your residential or commercial property, contact David Beitz Construction for a consultation and estimate.
Ask us about how we can give your home distinctive style with siding, skylights or sun tunnels. Depend on David Beitz Construction to provide:
Efficient cost controls
On-time job completion
Complete customer satisfaction