Serving Lewes & Coastal Sussex County
Platinum Roofs installs and replaces residential flat and low-slope roofing for porches, garages, additions, and other roof sections where a traditional pitched system is not the right fit. We evaluate drainage, flashing, transitions, and existing conditions before recommending the appropriate solution.
Flat and low-slope roof installation and replacement
Roofing for porches, garages, additions, and roof sections
Careful planning for drainage, flashing, and water control
120+ Google reviews · Family-owned since 1986

Residential Flat Roofing
Our Residential Flat Roofing Services
Flat roofing is often used on a specific part of the home, such as a porch, garage, addition, or modern low-slope section. Each area needs a roofing system selected around the roof deck, available slope, drainage path, edge conditions, and connections to the rest of the home.
Although commonly called “flat,” these roofs still require enough slope to move water toward the intended drainage points. Proper drainage is one of the most important parts of low-slope roof design and long-term performance.
Homeowners comparing broader options can explore our residential roofing services or schedule a professional roof inspection before deciding whether installation or replacement is the right next step.
New flat and low-slope roof installation
Replacement of aging or deteriorated roof systems
Roofing for porches, garages, additions, and transitions
Evaluation of slope, drainage, flashing, and roof-deck condition



Residential Flat Roofing
Flat roofing is often used on a specific part of the home, such as a porch, garage, addition, or modern low-slope section. Each area needs a roofing system selected around the roof deck, available slope, drainage path, edge conditions, and connections to the rest of the home.
Although commonly called “flat,” these roofs still require enough slope to move water toward the intended drainage points. Proper drainage is one of the most important parts of low-slope roof design and long-term performance.
Homeowners comparing broader options can explore our residential roofing services or schedule a professional roof inspection before deciding whether installation or replacement is the right next step.
New flat and low-slope roof installation
Replacement of aging or deteriorated roof systems
Roofing for porches, garages, additions, and transitions
Evaluation of slope, drainage, flashing, and roof-deck condition

FLAT ROOF SYSTEM DETAILS
Flat roofing involves much more than the visible surface. The roof deck, slope, membrane or roofing material, seams, flashing, penetrations, edges, transitions, and drainage all work together as one system.
Standing water can point to low areas, blocked drainage, or a roof that is not directing water effectively. Positive drainage and properly planned slope help move water toward drains, scuppers, gutters, or roof edges rather than allowing it to remain on the surface.
When damage is limited to one seam, flashing detail, or isolated area, a roof repair may still be practical. When deterioration affects a larger part of the system, roof replacement may provide the more dependable result.
Evaluation of the existing roof deck and slope
Drainage and water-management planning
Seams, flashing, edges, and roof penetrations
Transitions between low-slope and pitched roof sections
Materials selected for the individual roof assembly


Why Platinum Roofs
Since 1986, Platinum Roofs has helped homeowners in Lewes and nearby Sussex County communities make informed roofing decisions.
Low-slope roofing requires careful attention to drainage, seams, flashing, edges, penetrations, and transitions. Our team evaluates the complete roof area, explains the proposed scope, and recommends the work that fits the actual condition of the property.
The goal is to install or replace the roof correctly without recommending more work than the home requires.
Family-owned roofing contractor based in Lewes
Experience with residential flat and low-slope roofing
Careful attention to drainage and flashing details
Clear recommendations based on existing roof conditions
WHERE FLAT ROOFING FITS
Flat and low-slope roofing is a practical solution for porches, garages, additions, and architectural sections that cannot use a typical asphalt shingle system.
For Lewes homeowners, the important consideration is not simply whether the property is “coastal.” The roof must be planned around its actual shape, drainage path, exposure, surrounding trees or structures, and connection to the rest of the home.
Lewes experiences both coastal storms and periods of heavy precipitation, reinforcing the importance of dependable drainage and properly detailed roof edges and transitions.
Porches and covered outdoor areas
Garages and home additions
Modern and low-slope architectural sections
Transitions between pitched and low-slope roofing
Roof areas requiring specialized drainage planning


WHERE FLAT ROOFING FITS
Where Flat Roofing Makes Sense
Flat and low-slope roofing is a practical solution for porches, garages, additions, and architectural sections that cannot use a typical asphalt shingle system.
For Lewes homeowners, the important consideration is not simply whether the property is “coastal.” The roof must be planned around its actual shape, drainage path, exposure, surrounding trees or structures, and connection to the rest of the home.
Lewes experiences both coastal storms and periods of heavy precipitation, reinforcing the importance of dependable drainage and properly detailed roof edges and transitions.
Porches and covered outdoor areas
Garages and home additions
Modern and low-slope architectural sections
Transitions between pitched and low-slope roofing
Roof areas requiring specialized drainage planning
Always on-time, responsive & respectful
Family-owned and trusted locally since 1986
Roof repairs designed for long-term performance
Areas We Serve
Based in Lewes, Platinum Roofs provides residential flat and low-slope roofing throughout nearby coastal and inland Sussex County communities. Explore all of our service areas, or choose your town below to learn more about roofing services available in your area.
The right system depends on the roof size, slope, deck condition, drainage, exposure, intended use, and how the low-slope section connects to the rest of the home. Platinum Roofs evaluates the individual roof before recommending a system.
No. Residential flat roofs are actually low-slope roofs designed with enough pitch to direct water toward drains, scuppers, gutters, or roof edges. A roof that appears flat still needs positive drainage to perform properly.
Ponding water can result from low areas in the roof deck, insufficient slope, blocked drains or gutters, compressed insulation, or changes in the structure over time. Water that repeatedly remains after rain should be evaluated before it contributes to further deterioration.
Service life depends on the roofing system, installation quality, drainage, weather exposure, maintenance, and whether problems are addressed promptly. Platinum Roofs can explain the expected performance of the system proposed for the property.
Localized seam, flashing, penetration, or surface damage may be repairable when the surrounding system remains in serviceable condition. Widespread deterioration, recurring leaks, extensive ponding, or damage to the roof deck may make replacement the more reliable option.
Yes. Flat and low-slope roofing is commonly used on porches, garages, additions, and other roof areas where a traditional pitched system does not fit the structure or architectural design.
Not every flat roof is designed for regular foot traffic. A roof intended to function as a deck or walkable surface needs a system specifically designed for that use, along with appropriate waterproofing, protection, drainage, and structural planning.
Pricing depends on the roof size, selected system, deck condition, drainage work, flashing, penetrations, existing material removal, access, and project complexity. An on-site assessment is needed before an accurate scope and price can be provided.
You can request a free flat roofing assessment online or call Platinum Roofs at (302) 226-4510. Our team will evaluate the roof area, drainage, existing conditions, and the options available for the property.


Platinum Roofs is a licensed & insured roofing contractor in Lewes, DE.
Office Hours: Monday – Friday: 7:30 AM – 3:30 PM | Saturday – Sunday: Closed
T.R. Roofing, Inc. DBA Platinum Roofs
© 2026. T.R. Roofing, Inc. DBA Platinum Roofs. All Rights Reserved.
Powered by Feel Good Marketing