Roof Replacement in Tigard and the Portland Metro Area
Roof replacement and new roof installation for Portland metro homes and commercial properties
Licensed, bonded, and insured • CCB #219625
A Clear, Organized Roofing Experience From Start to Finish
A new roof is more than a change in shingles. It is an opportunity to renew the roofing system, choose materials that fit your home, and move forward with a clear plan for installation and long-term performance.
TGR General Construction LLC provides complete roof replacement and re-roofing for homeowners throughout Tigard, Portland, Lake Oswego, King City, Beaverton, West Linn, Tualatin, and surrounding Portland metro communities.
Our team guides homeowners through the entire process, from evaluating the existing roof and selecting materials to scheduling, installation, cleanup, and final walkthrough.
With more than 1,000 roofing projects completed, TGR General Construction brings practical experience, organized project management, and clear communication to each roof replacement.
Licensed, bonded, and insured
Oregon CCB #219625
GAF Installer Certified
What Is Included in a Complete Roof Replacement?
A roof replacement should address the roofing system as a coordinated assembly rather than treating the visible roofing material as the entire project.
The following components may be included depending on the project.
Removal of Existing Roofing Materials
The replacement process begins with removing the roofing materials identified in the approved scope.
This gives the installation team access to the roof surface and allows preparation for the new system.
Roof Deck Evaluation
Once the existing roofing materials are removed, accessible roof decking can be evaluated.
If additional decking work is appropriate, the next steps can be documented and communicated as part of the project process.
Roofing Underlayment
Underlayment provides a layer beneath the primary roofing material.
The specific underlayment used depends on the roofing system, project specifications, and manufacturer requirements.
Ice and Water Protection
Ice and water protection may be incorporated into designated portions of the roof based on the system design, project requirements, and applicable installation specifications.
Starter Shingles
Starter shingles establish the first course of an asphalt shingle roofing system and form part of the coordinated installation.
Field Shingles
Field shingles create the primary visible roofing surface.
Homeowners can review qualifying styles, colors, and product options based on the selected roofing system and design goals.
Hip and Ridge Components
Hip and ridge materials complete applicable roof peaks and transitions and are selected to work with the roofing system.
Flashing
Flashing is used around roof intersections, transitions, penetrations, and other detailed areas where proper water management is important.
Ventilation
Ventilation should be considered as part of the complete roofing system.
The appropriate design depends on the home, attic configuration, roof structure, and project requirements
GAF Roof Replacement Systems
TGR General Construction is GAF Installer Certified and installs qualifying GAF roofing systems for homeowners planning a roof replacement.
A GAF roofing system can combine compatible roofing components such as:
- Starter products
- Field shingles
- Ridge components
- Underlayment
- Supporting roofing-system materials
The specific products used depend on the selected roofing system and project scope.
Applicable manufacturer warranty eligibility also depends on the products selected, installation requirements, and project qualifications.
How Should You Prepare Your Home for Roof Replacement?
Most preparation is straightforward once the project plan is established.
Before installation, homeowners may be asked to:
- Move vehicles according to the site plan
- Relocate patio furniture and portable outdoor belongings
- Provide access through designated gates or side yards
- Secure delicate wall-mounted items inside the home
- Organize attic belongings when appropriate
- Plan separate areas for children and pets
- Confirm material delivery arrangements
- Review crew working hours
- Confirm the primary project contact
TGR provides project-specific guidance so homeowners know what preparation applies to their property.
How Does TGR Plan Around Your Property During Roof Replacement?
Every home has a different layout, so jobsite preparation should reflect the property rather than follow a one-size-fits-all setup.
TGR considers details such as:
- Driveway configuration
- Landscaping
- Decks and patios
- Fences and gates
- Exterior features
- Roof elevations
- Material staging areas
- Crew access
- Equipment placement
Planning these details before installation supports an organized workflow from material delivery through final cleanup.
For the homeowner, this creates a clearer understanding of how the roofing project will interact with the property.
What Installation Standards Does TGR Use for Roof Replacement?
A roofing system is made up of multiple interconnected components.
TGR General Construction installs roofing systems using manufacturer-aligned installation practices and established field standards appropriate to the selected system.
Installation details may include:
- Layout and alignment
- Fastening patterns
- Underlayment installation
- Starter components
- Flashing
- Waterproofing details
- Ventilation considerations
- Hip and ridge components
- Manufacturer-specific installation requirements
This system-based approach helps create consistency across the complete installation.
It also supports applicable manufacturer requirements and warranty considerations when project qualifications are met.
What Warranty Coverage Is Available With a Roof Replacement?
TGR General Construction provides a 10-year workmanship warranty on qualifying roofing installations.
Manufacturer material warranty coverage depends on the roofing products, selected system, and project qualifications.
Warranty considerations may include:
- Roofing manufacturer
- Product line
- System components
- Installation requirements
- Warranty registration requirements
- Selected warranty level
- Project eligibility
TGR explains the warranty information associated with the roofing system included in the project so homeowners can understand the coverage connected to their new roof.
Manufacturer warranty options depend on the products and roofing-system components selected and the project’s eligibility requirements. Homeowners can review current GAF warranty requirements directly through GAF.
What Affects the Cost of a Roof Replacement?
Roof replacement cost depends on the actual home, roofing system, and project scope.
There is no single project price that accurately represents every roof because several factors can influence the work required.
Common cost factors include:
- Roof size
- Roof pitch
- Number of roof planes
- Roofing material
- Existing roof layers
- Tear-off requirements
- Roof decking conditions
- Flashing details
- Ventilation requirements
- Roofing-system components
- Material selections
- Site access
- Disposal requirements
- Architectural complexity
TGR develops roof replacement estimates around the specific property and proposed scope.
That gives homeowners a clearer understanding of what is included in their project while allowing the roofing plan to reflect the actual conditions of the home.
Proven Roof Replacement Experience
TGR General Construction has completed more than 1,000 roofing projects.
That experience gives our team direct knowledge of the planning and installation details involved in roof replacement across different homes, roofing systems, materials, and project conditions.
One documented Portland project included:
Project Type: Roof replacement
Location: Portland, Oregon
Roofing System: CertainTeed Presidential
Color: Autumn Blend
Original project documentation helps homeowners see the materials, workmanship, and finished results behind the services TGR provides.
Roof Replacement FAQs
A Clear Path to Your New Roof
You do not need to become a roofing expert to make a confident decision about replacing your roof.
You need to understand the condition of your current roof, the system being proposed, what the project includes, how installation will work, and who will guide you through the process.
That is TGR’s role.
We help homeowners move from planning to completed roof replacement through a clear process built around communication, craftsmanship, accountability, and transparency.
With more than 1,000 roofing projects completed, GAF Installer Certified status, and an experienced local team, TGR General Construction is prepared to help you plan a roofing system that fits your home and long-term goals.
TGR General Construction LLC
14865 SW 74th Ave #210
Tigard, OR 97224
Oregon CCB #219625
